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Relationship between participation in leisure activities and constraints on Taiwanese breastfeeding mothers during leisure activities
© Chow and Dong; licensee BioMed Central Ltd. 2013
Received: 8 March 2012
Accepted: 23 April 2013
Published: 30 April 2013
Participation in leisure activities strongly associates with health and well-being. Little research has explored the relationship between participation in leisure activities and constraints on breastfeeding mothers during leisure activities. The purposes of this study are: 1) to investigate constraints on breastfeeding mothers during leisure activities and participation in leisure activities; 2) to investigate the differences between preferences for leisure activities and actual participation by breastfeeding mothers; 3) to segment breastfeeding mothers with similar patterns, using a cluster analysis based on the delineated participation in leisure activities and leisure preferences; 4) to explore any differences between clusters of breastfeeding mothers with respect to socio-demographic characteristics, breastfeeding behaviours and leisure constraints.
This study has a cross-sectional design using an online survey conducted among mothers having breastfeeding experiences of more than four months. The questionnaire includes demographic variables, breastfeeding behaviours, preferences for leisure activities participation, and constraints on leisure activities. Collection of data occurred between March and July 2011, producing 415 valid responses for analysis.
For breastfeeding mothers, this study identifies constraints on breastfeeding related to leisure activities in addition to the three traditional factors for constraints in the model. This study demonstrates that reports of constraints related to children, family, and nursing environments are the most frequent. Breastfeeding mothers in Taiwan participate regularly in family activities or activities related to their children. Cluster analysis classified breastfeeding mothers into Action and Contemplation groups, and found that mothers within the latter group participate less in leisure activities and experienced more constraints related to breastfeeding.
Implications provide a developmental design for public health policies for nursing-friendly environments to increase opportunities for breastfeeding mothers to engage in leisure activities and suggest various types of activities to increase participation of that population.
Considerable scientific research has proven the health benefits from breastfeeding accrue to both infants and mothers. For example, breastfeeding mothers have a lower rate of breast cancer [1, 2], ovarian cancer [3–5], and osteoporosis . For babies, breastfeeding has been proven to provide a protective mechanism against sudden infant death syndrome  and chronic diseases later in life . Furthermore, these babies have lower rates of gastrointestinal and respiratory diseases [9, 10]. In addition to the health benefits, the emotional, psychological, and societal advantages offered by breastfeeding cannot be underestimated [11, 12].
The prevalence of breastfeeding is increasing internationally because of the evidence of the benefits, and the declarations of the Innocenti Declaration by the World Health Organization and United Nations Children’s Fund in 1990. However, the number of mothers choosing to breastfeed remains low in Taiwan. In a national study conducted in 2004, those that is breastfeeding, exclusively breastfeeding infants with only breast milk without other foods or liquids , in Taiwan was 33.21% when the baby was one month old, 16.93% for four–month old, and 13.13% at six-month old . Although these statistics increased substantially to 58.8%, 36.2%, and 26.3%, respectively, in 2010 , mothers in Taiwan tend to cease breastfeeding earlier than the World Health Organization’s recommendation to continue exclusively breastfeeding for the first six months .
Although several studies in the nursing area  investigated the factors affecting the continuity of breastfeeding, including family and social support , employment status [19, 20], types of employment , sleep deprivation [21, 22], and fatigue [23, 24], none of these studies explored the relationship between breastfeeding and women’s leisure.
Leisure is essential to well-being and health . Several studies of leisure activities confirmed that leisure is a crucial factor that influences the health of women from several aspects. For example, regarding physical health, increased leisure activity can decrease the occurrence of coronary heart diseases and stroke , and for psychological health, participation in leisure activities can reduce stress through coping mechanisms, decreased feelings of anxiety, loneliness, and depression [27–29]. Leisure is also a vital context and channel for social support and social interactions [30, 31]. In addition, since more than 20% of mothers have experienced symptoms of postpartum depression , leisure might be an important outlet, especially for mothers’ management of depression and enhancement of health.
Despite the health benefits of leisure activities for women, participation remains lower compared to male counterparts, according to several reports [33, 34]. Several reasons contribute to this phenomenon, such as lack of opportunities for learning leisure skills  or low socioeconomic status . Traditionally, researchers of leisure activities classified three factors impeding willingness or opportunities to participate in leisure activities: intra-personal, inter-personal, and structural constraints on leisure activities. Constraints on intrapersonal activities refer to individual psychological characteristics that impede willingness to participate in leisure activities. Inter-personal constraints for participating in leisure activities are those factors involving peers or groups, such as a lack of a partner. Structural constraints are issues such as inclement weather, cost, lack of opportunity, etc. . Women’s leisure differs considerably from that of men’s leisure, and varies in diverse life situations. While several studies investigated leisure constraints and participation in leisure activities among mothers after giving birth or those with young children, examination of specific circumstances and situations, such as experiences during breastfeeding are necessary to understand, fully, the leisure experiences and constraints for women .
Several barriers may relate to participation of breastfeeding mothers during leisure activities; however, scant research has investigated the relationship between participation in leisure activities and constraints on breastfeeding mothers during leisure activities. Consequently, the objectives of this study are: a) to investigate the constraints on leisure activities and participation in leisure activities experienced by breastfeeding mothers; b) to investigate the differences between preferences for leisure activities and actual participation among breastfeeding mothers; c) to examine the differences among various demographic variables relating to participation in leisure activities, and d) to identify any patterns among breastfeeding mothers, using cluster analysis based on their participation in leisure activities and leisure preferences; e) to explore differences among clusters of breastfeeding mothers with respect to socio-demographics, breastfeeding behavioural variables and leisure constraints.
Several breastfeeding mothers indicated, in focus group discussions of previous research, confining limitation from nursing schedules and the inconvenience of leaving home. Consequently, they rely on the Internet to search for information or to communicate with others. Hence, the developed questionnaire uses an online survey application, provided by Google Docs. The survey appeared as a post on seven women- and baby-related websites popular with mothers in Taiwan. Data collection occurred between March and July 2011, resulting in 531 responses. Given that the 2010 census indicates 166,886 newborn babies in Taiwan, and a breastfeeding interval of four months, postpartum, was 53.6%, the targeted population for this study is 89451. The minimum sample size required with a 95% confidence level is 382. The analysis uses 415 responses, after eliminating invalid respondents and those not meeting the study’s criteria of breastfeeding babies for more than four months. The four months breastfeeding duration represents a set inclusion criterion because a national breastfeeding survey indicated that the breastfeeding rate decreases dramatically after four months . This study obtained the approval from the Institutional Review Board (IRB) from National Cheng Kung University Hospital (ER-98-281).
To conduct this study, an extensive literature review, and consultation with experts determined the factors that influence participation in, and constraints on, breastfeeding mothers during leisure activities. A pilot study in paper format contacted 14 local women to ensure ease of understanding and appropriateness of questions. The final questionnaire included four sections with variables for: socio-demographic data, preferences and participation in leisure activities, constraints on participation in leisure activities, and a short Taiwanese version of the International Physical Activity Questionnaire. This study analyzes data from the first three sections.
Socio-demographic and breastfeeding behaviour variables
A search of the literature indicated that age, family members, primary caregiver, educational level, employment status, number of children, age of children, breastfeeding methods, and breastfeeding duration may influence women’s willingness and duration to breastfeed [39–41] or women’s participation in leisure activities [33, 42]. For the variable of exclusively breastfeeding, respondents responded to questions that indicate if their babies only receive breast milk, or a mix of breast milk and formula, during the duration of breastfeeding. The survey provided the four most popular practices for breastfeeding methods among Taiwanese mothers; respondents select the method that effectively described their situations. The practices are: 1) breastfeeding babies directly from their wet nurses; 2) expressing breast milk in advance and using bottles to feed babies; 3) alternating between feeding directly and bottle-feeding of expressed breast milk, and 4) feeding directly before bedtime, and bottle-feeding expressed milk at other times. Breastfeeding duration refers to the current length of time mothers continuously breastfeed. Since much of the behaviour or responses may change over time, the respondents were to indicate the most applicable situation at the moment of responding to the questionnaire.
Participation in leisure activities
This section is a modification of the study by Wu  of the typologies of women’s participation in leisure activities, which includes ten types: shopping (e.g. grocery shopping), children-related (e.g. activities associated or done with children), outdoor recreation (e.g. hiking, camping), intellectual activity (e.g. language learning, going to the library), indoor exercise (e.g. bowling, badminton), entertainment (e.g. going to pubs, watching movies), social activity (e.g. clubs, religious activities, banquets), art (e.g. painting, calligraphy), competition (e.g. Taekwondo), skill-related (e.g. swimming, golfing), and others. Respondents rated, on a five-point Likert scale, their preferences (from strongly dislike to strongly like) and actual participation frequencies (never, seldom, sometimes, often and always) for each type of leisure activity.
Factor analysis and t-test: reliability of constraints on leisure of breastfeed directly and two clusters of breastfeeding mothers
Clusters based on leisure preference and participation
Total (N = 415)
Breastfeeding directly (N = 177)
All other practices (N = 238)
Action group (N = 231)
Contemplation group (N = 184)
Lack of interest
Lack of confidence
Afraid of going out alone
Difficult to get along with others
Not satisfied with self-body image
Poor physical fitness
Lack of skill
My family/friends oppose
My partners are too busy at work
My partner are not available
My partners have difficulty traveling
My partners do not have time
My partners’ interests are different
My partners do not have such leisure skills
Taking care of family members
Too many chores
Too much work
Lack of transportation
Lack of information
Lack of money
Too crowded and too noisy
Lack of time
Lack of space/facilities
Concern with babies’ health
Babies too attached to mothers
No other family members could help with taking care of the babies
Leisure activities not appropriate for children
Unfriendly nursing environment in leisure activities place/recreation space
Feel guilty to bother other family members to take care of babies
No or insufficient breastfeeding rooms in leisure activities place/recreation space
Difficulty accessing breastfeeding rooms
Embarrassment being outdoors and in others’ views
Traditional myths from older generation
Data, imported from the Google survey used SPSS version 17.0 for analysis. Descriptive statistics represent socio-demographic characteristics of respondents, with each variable investigated. Since the ages of breastfeeding mothers in this study represents a slight oversampling of the middle age group (30–34 years old), adopting weights to adjust for the selection probabilities for that age’s variable create a nationally representative sample. A bi-variate Pearson correlation and paired t-test for ten different types of leisure activities examined the correlations and differences between the preferences for leisure activities and actual participation. Conducting cluster analyses use the basis of preferences for leisure activities and actual participation of breastfeeding mothers to identify the existence of mothers’ patterns for comparison of a set of demographics with participation in leisure activities and profiles of leisure constraints. Cross-tabulation examined associations; Chi-squared statistics and t-test examined differences among clusters with regard to various demographic variables, breastfeeding behaviour variables, and constrains on participation in leisure activities. For variables violating Chi-Square test assumptions (the expected count in each cell is less than 5), Fisher Exact Test using open-source language R allowed further examination.
Descriptive statistics of participants
Characteristics of respondents
Total (N = 415)
40+ and over
Junior high school
Senior high school
Graduate school or above
Number of children
Age of youngest children
Mix breast milk and others
Only breast milk
From breast directly
Bottle feed with expressed milk
Alternating between directly feeding and expressed milk from bottles
Directly from breast only before bedtime
Constraints on leisure activities
As shown in Table 1, in the total column (N = 415), breastfeeding mothers report that breastfeeding-related constraints on leisure are the most frequent encountered (Average Mean = 3.51), followed by structural constraints (Average M = 3.07), interpersonal constraints (Average M = 2.54), and intrapersonal constraints (Average M = 2.12). Items such as “Leisure activities are not appropriate for children (M = 3.96),” “Need to take care of family members (M = 3.89)” and “Unfriendly nursing environment during leisure activities’ place/recreation space (M = 3.87)” are the most frequently mentioned constraints indicated. Respondents also reported significant constraints from other breastfeeding related factors, such as “feeling guilty bothering other family members to care for the baby (M = 3.80),” “no or insufficient breastfeeding rooms in leisure activities’ place/recreation space (M = 3.78),” “difficulty accessing breastfeeding rooms (M = 3.78),” and “babies too attached to mothers (M = 3.76).” In order to examine is there any difference of leisure constraints in terms of their breastfeeding practice. Respondents were further divided into two groups which the first group refers to breastfeeding their babies directly from wet nurse, the second group comprises feeding methods such as bottle feed with expressed milk, alternating between the breast directly and bottle with expressed milk, and directly from breast only before bedtime were combine together as all the others. Significant differences were found in the following items: “Too much work”, “Lack of time”, “Babies too attached to mothers”, “Unfriendly nursing environment in leisure activities place/recreation space”, “No or insufficient breastfeeding rooms in leisure activities place/recreation space”, “Difficulty accessing breastfeeding rooms”, and “Traditional myths from older generation” (Table 1).
Preferences for leisure and participation in leisure activities
Mean differences in leisure participation and leisure preference in various leisure activities
Mean (N = 415)
Indoor exercise activity
Classification of breastfeeding mothers
Classification of breastfeeding mothers based on preferences for leisure and participation in leisure activities employed cluster analysis, which identified two groups. The first group are those with a high level of preferences for leisure and participation in leisure activities. The second group of mothers represents those with high preference, but low levels of actual participation in leisure activities. Thus, the first group is named as the Action group, and the second group is named as the Contemplation group, since the first group participated in leisure activities, and the second group, despite high inclination displayed a low rate of participation in leisure activities.
Differences between the action and contemplation group
Crosstabs of action group and contemplation group for various demographic and breastfeeding behavioural variables
n = 226
n = 176
40+ and over
p-value = 0.8918
n = 231
n = 184
Junior high school
Senior high school
Graduate school or above
p-value = 0.1278
n = 130
n = 117
p-value = 0.9173
n = 231
n = 184
Only breast milk
Mix breast milk and others
χ2 = 1.368 df = 1
n = 232
n = 185
From breast directly
Bottle feed with expressed milk
Alternating between the breast directly and bottle with expressed milk
Directly from breast only before bedtime
χ2 = 9.004* df = 3
N = 231
N = 185
4- less or equal to 6 month
χ2 = 2.371 df = 4
Constraints to participation in leisure activities among action and contemplation groups
Independent t-test investigated differences of constraints to participating in leisure activities between Action and Contemplation groups. Results reveal that the Contemplation group perceive significantly higher constraints from nursing-related (t = −2.514, p = 0.012) and intrapersonal leisure constraints (t = −2.324, p = 0.021). (See Table 1).
Analysis of various leisure activities
As seen in Figure 1, ten types of leisure activities create plots for a preference-participation grid for Action and Contemplation groups. Both Action and Contemplation groups have similar perceptions toward children-related activities, shopping activities, and outdoor recreation, all represented in the high-preference and high-participation quadrant (top-right); entertainment, art, competitive activities, and skill-related activities represent the low-preference and low-participation quadrant (bottom-left) for both groups. However, intellectual activity, indoor exercise activities, and social activities have different perception for the Action group and the Contemplation group.
Leisure constraints faced by breastfeeding mothers
The main purpose of this study is investigation of constraints breastfeeding mothers confront restricting participation in leisure activities. First, a factor structure of the constraints’ scale reveals that, in addition to the traditional three factors of constraints on leisure (intrapersonal, interpersonal, and structural constraints), a fourth factor, breastfeeding-related constraints, occur. This result presents a unique and specific constraint for breastfeeding mothers in daily life. Although several breastfeeding-related studies disclosed barriers influencing breastfeeding, none explored pursuing leisure. The uncovered factors result in limited and fragmented leisure time for breastfeeding mothers. The current study also demonstrates that constraints related to children, family, and nursing environments are, reportedly, the most intensively experienced.
Compared to men, women’s life stages and constraints, which may change over a lifespan considerably influence leisure activities . In particular household obligations and family commitments, usually limit women’s time for leisure . Mothers of young children tend to “put others’ wellbeing first”  instead of their own leisure needs. Although these family roles and obligations appear for consideration in many other studies of women and leisure [49, 50], a lack of a sense of entitlement to leisure  is significantly intense for nursing mothers who feel responsible because their babies’ dependence on mothers for nourishment, particularly for breastfeeding mothers with children under six months old.
An unfriendly environment is another significant barrier for nursing mothers that inhibits participation in leisure activities. Several public and recreational areas do not have adequate nursing environments, which causes inconvenience for breastfeeding or to expressing milk. In 2008, Wu et al. interviewed Taiwanese nurses to gain insight into their breastfeeding experiences and found that outings are inconvenient most of the time, and embarrassment arises from breastfeeding in public; hence, the preference is to remain at home. If going outdoors with children, vehicles become mobile breastfeeding and milk-expressing “rooms” . Breastfeeding in public has a privacy component due to limited nursing rooms available on-site at public leisure or recreational venues.
Leisure preferences, participation in leisure activities, and comparison between action and contemplation groups
The ranking of leisure preferences for breastfeeding mothers are consistent with their participation in leisure activities. Most nursing mothers in Taiwan participate in more family activities or activities related to their children. The least preference and participation types are competitions and skills-related activities. The order suggests that women prioritize their time and activities to relate to children and families instead of individually oriented or skill-level activities. Further analysis from this study reveals that respondents’ preferences for leisure are considerably higher than their participation in all ten types of leisure activities. The difference between preferences or desire for leisure and actual participation re-confirms that constraints on leisure intervene.
From mapping of preferences for leisure and participation in leisure activities, for both Action and Contemplation groups, those activities strongly tied to family obligations, such as children-related activities, shopping (e.g. grocery shopping, baby –clothing shopping), and out-door recreation (e.g. taking children to a park) represent high-preference and high-participation activities. This result is consistent with many studies’ notions that women’s leisure typically involves work, caring for or, in the company of others, fulfilling roles as wives or mothers . These activities may also represent a self-selected filter for activities because women choose leisure mainly based on a combination of opportunities available, as suggested by Colley .
A more in-depth analysis of the activities falling in the low-preference and low-participation quadrant (bottom-left), such as competitive or skill-related activities may also reflect the traditional concepts of gender that women avoid active forms of leisure or activities requiring skills. Conventional perceptions discourage women’s engaging in independent or active leisure and, perhaps lack opportunities to learn . Altogether, the similar patterns illustrated for both top-right and bottom-left activities may relate to women’s ethic of care  in that, although they desire personal time to enjoy leisure, they feel guilty; according to Shaw, “Women may adjust their expectations to fit the reality of their lives” (p11) .
Interestingly, some activities appear in different quadrants. Intellectual activities, such as visiting museums or a library, and learning a language, have high degree of preference for both groups, but only the Action group demonstrates high participation. The Action group manages to attend these activities despite juggling time and obligations for feeding babies. Both groups report low participation in indoor exercise, but Action group perceives a higher preference. Explanation for this finding may arise from research suggesting breastfeeding can easily cause fatigue [55, 56], but the Action group shows a desire to avoid lethargy. Actually, many women with young children do not meet the guidelines for physical activity to achieve health benefits . Social activities, such as attending clubs, religious services, and participating in formal banquets, rate low in preference for both groups, but the Action group reveals a higher participation rate. Social activities listed in the questionnaire are more likely to be formal, which many breastfeeding women consider inappropriate if accompanied by children and breastfeed if necessary. The Action group might be those who are more out-going and participate in activities even if disagreeable.
Comparison of demographic backgrounds, breastfeeding behaviours, and constraints on leisure: differences between action and contemplation groups
No significant differences appear in terms of breastfeeding mothers’ ages, educational levels, working status, and some breastfeeding behaviours. However, a higher percentage of women in the Action group adopted breastfeeding their babies directly, compared to other practices, such as bottle feeding with expressed milk, alternating between breastfeeding directly and bottle feeding with expressed milk, or directly feeding from the breast only before bedtime. The results also demonstrate that the Contemplation group has a significantly higher degree of constraint than the Action group for intrapersonal and breastfeeding-related leisure constraints. The explanation of these results could be that mothers, who adopted other breastfeeding practices other than directly breastfeeding, have more chores such as pumping breast milk, freezing and re-heating milk, washing bottles, etc. These tasks might take more time from mothers’ hectic lifestyles, which cause more stress for these groups of mothers and prevents them from participating in leisure activities and creates and unwillingness to leave home because not many nursing-friendly spaces exist in the public. Although different breastfeeding practices have not received significant attention in earlier breastfeeding-related research, recently, some articles began to debate the influence of different breastfeeding practices on women’s breastfeeding behaviour [58–60]. The influence of different breastfeeding practices on women’s perceptions of leisure warrant further investigation. Furthermore, many women lack interests or skills necessary for participation in leisure activities, which may be due to a lack of previous involvement in leisure activities. Many women perceive participation in leisure activities to be constrained because they have a narrow range of activities deemed appropriate for women or girls. The Contemplation group seems to suffer more severely in this regard. Breastfeeding-related constraints on leisure refer to those psychological states that are specific to breasting mothers, and environmental barriers for nursing. Since breastfeeding offers unique bonding between mothers and their babies, occasionally breastfeeding mothers may hesitate to separate from their babies because the mother is the only providers of nutrients or comfort. Mothers tend to abandon participation in leisure activities when experiencing internal conflict between personal fulfillment and obligation to the needs of others [61, 62]. The Contemplation group might feel guilt/anxiety when engaging in personal leisure rather than in fulfilling obligations to others. They may lack a sense of entitlement for personal leisure . Another crucial issue is nursing environment. Current literature related to nursing environments only focuses on work-sites [17, 63–65]; limited attention accrues to providing adequate nursing environments for breastfeeding mothers in leisure/recreation settings, a crucial space for breastfeeding mothers’ participation in leisure activities, social participation, or time with children and family outside the home. Inferior facilities and services for breastfeeding mothers and inadequate promotion of breastfeeding in the public all relate to non-participation in leisure by breastfeeding mothers.
This study indicates the constraints on leisure activities limit Taiwanese breastfeeding mothers’ access to participation in leisure activities, or preferences for actual participation in leisure activities. The study provides an awareness of constraints on leisure activities for breastfeeding mothers, and these issues have rare investigation. Several of these constraints on leisure are unlikely to be overcome by individuals alone.
The success of cluster analysis in identifying two groups of breastfeeding mothers with encountered constraints on leisure suggests that the approach may be useful in public health promotion using different strategies to enhance breastfeeding mothers’ leisure activities and participation. Breastfeeding is a challenge and requires support from family or health providers, and also society. The identification of specific constraints for breastfeeding mothers can provide evidence when vocalizing the effects of encountered constraints and empower them to negotiate rights for leisure. In addition, the data also offer insights for effective planning, provision, and management of leisure services and public health.
Limitation of the study and directions for future studies
Several limitations require acknowledgement. First, the study only investigates constraints on leisure from mothers with breastfeeding experience. Since most other studies only focus on mothers with young children without specifying breastfeeding [47, 56], this study could not yield differences between breastfeeding-mothers and non-breastfeeding mothers with regard to participation in leisure activities and constraints on leisure. Second, mothers might alter their participation in leisure activities or encounter different constraints during various stages of breastfeeding practice. The impact of breastfeeding on a mother’s participation in leisure activities and constraints on leisure might have different degrees of influence. In-depth qualitative research is necessary to explore these changes. Next, the study utilizes an online survey, which may induce a bias for those with higher educational status than the general reproductive population. Finally, the results of this study may be subject to cultural interpretations since it is exclusive to Taiwan. Since several leisure experiences and constraints relate to an individual’s social contexts , perhaps a noteworthy determination would be identifying any differences occurring in constraints on leisure confronted by nursing mothers in other settings. For example, a comparative study can interview mothers originally from Taiwan, but live in another country. Another study may examine the differences in constraint on leisure for breastfeeding mothers of various countries or ethnicities. Considerable knowledge regarding the unique situations that breastfeeding mothers face with regard to leisure activities is not available. By understanding these phenomena, offering a superior quality of life and improving the health of breastfeeding mothers and their families is possible.
This research was funded by National Science Council in Taiwan (99-2410-H-006-096). The authors are grateful to all the breastfeeding mothers who have provided responses for this study.
- Newcomb PA, Storer BE, Longnecker MP, Mittendorf R, Greenberg ER, Clapp RW, Burke KP, Willett WC, MacMahon B: Lactation and a reduced risk of premenopausal breast cancer. New Engl J Med. 1994, 330 (2): 81-87. 10.1056/NEJM199401133300201.PubMedGoogle Scholar
- Chilvers C: Breast feeding and risk of breast cancer in young women. Brit Med J. 1993, 307 (6895): 17-20.Google Scholar
- Gwinn ML, Lee NC, Rhodes PH, Layde PM, Rubin GL: Pregnancy, breast feeding, and oral contraceptives and the risk of epithelial ovarian cancer. J Clin Epidemiol. 1990, 43 (6): 559-568. 10.1016/0895-4356(90)90160-Q.PubMedGoogle Scholar
- Hartge P, Schiffman MH, Hoover R, McGowan L, Lesher L, Norris HJ: A case–control study of epithelial ovarian cancer. Am J Epidemiol. 1989, 161 (1): 10-16.Google Scholar
- Schneider A: Risk factor for ovarian cancer. New Engl J Med. 1987, 317 (8): 508-PubMedGoogle Scholar
- Blaauw R, Albertse EC, Beneke T, Lombard CJ, Laubscher R, Hough FS: Risk factors for the development of osteoporosis in a South African population. S Afr Med J. 1994, 84: 328-332.PubMedGoogle Scholar
- Vennemann MM, Bajanowski T, Brinkmann B, Jorch G, Yucesan K, Sauerland C, Mitchell EA, Grp GS: Does breastfeeding reduce the risk of sudden infant death syndrome?. Pediatrics. 2009, 123 (3): e406-e410. 10.1542/peds.2008-2145.PubMedGoogle Scholar
- Martin RM, Holly JMP, Smith GD, Ness AR, Emmett P, Rogers I, Gunnell D: Could associations between breastfeeding and insulin‒like growth factors underlie associations of breastfeeding with adult chronic disease? The avon longitudinal study of parents and children. Clin Endocrino. 2005, 62 (6): 728-737. 10.1111/j.1365-2265.2005.02287.x.Google Scholar
- Kramer MS, Kakuma R: The optimal duration of exclusive breastfeeding. Ad Exp Med Biol. 2004, 554: 63-77.Google Scholar
- Chantry CJ, Howard CR, Auinger P: Full breastfeeding duration and associated decrease in respiratory tract infection in US children. Pediatrics. 2006, 117 (2): 425-10.1542/peds.2004-2283.PubMedGoogle Scholar
- American Academy of Pediatrics: Breastfeeding handbook for physicians. 2006, Grove Village, ILGoogle Scholar
- Horta BL, Bahl R, Martinés JC, Victora CG: Evidence on the long-term effects of breastfeeding: Systematic reviews and meta-analysis. 2007, Geneva, Switzerland: World Health Organization, 1-52.Google Scholar
- World Health Organization: Indicators for assessing infant and young child feeding practices: conclusions of a consensus meeting held 6–8 November 2007 in Washington D.C., USA. 2008, Geneva, SwitzerlandGoogle Scholar
- Kuo SC, Lin KC, Li CY, Gau ML, Chen YL, Cheng CH: Rates of breastfeeding and associated factors in Taiwan. 2004, Taipei: Bureau of Health Promotion, Department of Health, R.O.C.(Taiwan)Google Scholar
- Breastfeeding rate in Taiwan. http://www.bhp.doh.gov.tw/breastfeeding/02qna_01.htm,
- Kramer MS, Kakuma R: The optimal duration of exclusive breastfeeding: A systematic review. 2001, Geneva, Switzerland: Department of Nutrition for Health and Development, Department of Child and Adolescent Health and Development. World Health OrganizationGoogle Scholar
- Wu CH, Kuo SC, Lin HR: Breastfeeding experiences of Taiwan nurses on rotational shifts. JNR. 2008, 16 (4): 297-306. 10.1097/01.JNR.0000387317.43257.ca.PubMedGoogle Scholar
- Huang YC: Life experiences of multipara with first time long-term breastfeeding. 2006, Taipei: National Taipei College of NursingGoogle Scholar
- Bourgoin G, Lahaie NR, Rheaume B, Berger M, Dovigi C, Picard L, Sahai V: Factors influencing the duration of breastfeeding in the Sudbury region. C J Public Healt. 1997, 88 (4): 238-241.Google Scholar
- Rempel LA, Rempel JK: Partner influence on health behavior decision-making: Increasing breastfeeding duration. J Soc Pers Relat. 2004, 21 (1): 92-111. 10.1177/0265407504039841.Google Scholar
- Foxman B, D’Arcy H, Gillespie B, Bobo JK, Schwartz K: Lactation mastitis: Occurrence and medical management among 946 breastfeeding women in the United States. Am J Epidemiol. 2002, 155 (2): 103-114. 10.1093/aje/155.2.103.PubMedGoogle Scholar
- Doan T, Gardiner A, Gay CL, Lee KA: Breast-feeding increases sleep duration of new parents. J Perinat Neonat Nur. 2007, 21 (3): 200-206.Google Scholar
- Cloherty M, Alexander J, Holloway I: Supplementing breast-fed babies in the UK to protect their mothers from tiredness or distress. Midwifery. 2004, 20 (2): 194-204. 10.1016/j.midw.2003.09.002.PubMedGoogle Scholar
- Olsson A, Lundqvist M, Faxelid E, Nissen E: Women’s thoughts about sexual life after childbirth: focus group discussions with women after childbirth. Scand J Caring Sci. 2005, 19 (4): 381-387. 10.1111/j.1471-6712.2005.00357.x.PubMedGoogle Scholar
- Payne L: Relations between leisure, health, and wellness. Leisure, Health, and Wellness: Making the connections. Edited by: Payne L, Ainsworth B, Godbey G. 2010, State College, PA: Venture Publisher, 21-29.Google Scholar
- U.S. Department of Health and Human Services: Physical Activity and Health: A Report of the Surgeon General. 1996, Atlanta, GA: US Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health PromotionGoogle Scholar
- Klitzing SW: Women living in a homeless shelter: Stress, coping and leisure. J Leisure Res. 2004, 36: 483-513.Google Scholar
- Hall DT: A model of coping with role conflict: The role behavior of college educated women. Admin Sci Quart. 1972, 17 (4): 471-486. 10.2307/2393827.Google Scholar
- Iwasaki Y: Counteracting stress through leisure coping: A prospective health study. Psychol Health Med. 2006, 11 (2): 209-220. 10.1080/13548500500155941.PubMedGoogle Scholar
- Coleman D, Iso-Ahola SE: Leisure and health: The role of social support and self-determination. J Leisure Res. 1993, 25: 111-111.Google Scholar
- Lloyd KM, Auld CJ: The role of leisure in determining quality of life: Issues of content and measurement. Soc Indic Res. 2002, 57 (1): 43-71. 10.1023/A:1013879518210.Google Scholar
- Miller LJ: Postpartum depression. JAMA. 2002, 287 (6): 762-765. 10.1001/jama.287.6.762.PubMedGoogle Scholar
- Sternfeld B, Ainsworth BE, Quesenberry CP: Physical activity patterns in a diverse population of women. Prev Med. 1999, 28 (3): 313-323. 10.1006/pmed.1998.0470.PubMedGoogle Scholar
- Azevedo M, Araújo C, Reichert F, Siqueira F, da Silva M, Hallal P: Gender differences in leisure-time physical activity. Int J Public Health. 2007, 52 (1): 8-15. 10.1007/s00038-006-5062-1.PubMedPubMed CentralGoogle Scholar
- Flintoff A, Scraton S: Stepping into active leisure? Young women’s perceptions of active lifestyles and their experiences of school physical education. Sport Educ Soc. 2001, 6 (1): 5-21.Google Scholar
- Crawford DW, Jackson EL, Godbey G: A hierarchical model of leisure constraints. Leisure Sci. 1991, 13 (4): 309-320. 10.1080/01490409109513147.Google Scholar
- Henderson KA: Broadening an understanding of women, gender and leisure. J Leisure Res. 1994, 26 (1): 1-7.Google Scholar
- Telephone survey of breastfeeding rate and its associated factors in Taiwan. http://www.bhp.doh.gov.tw/breastfeeding/02qna_01.htm,
- Haughton J, Gregorio D, Pérez-Escamilla R: Factors associated with breastfeeding duration among Connecticut special supplemental nutrition program for women, infants, and children (WIC) participants. J Hum Lact. 2010, 26 (3): 266-273. 10.1177/0890334410365067.PubMedPubMed CentralGoogle Scholar
- Bosnjak AP, Grguric J, Stanojevic M, Sonicki Z: Influence of sociodemographic and psychosocial characteristics on breastfeeding duration of mothers attending breastfeeding support groups. J Perinat Med. 2009, 37 (2): 185-192.PubMedGoogle Scholar
- Johnston ML, Esposito N: Barriers and facilitators for breastfeeding among working women in the United States. J Obstet Gynaecol. 2007, 36 (1): 9-20.Google Scholar
- Gómez LF, Mateus JC, Cabrera G: Leisure-time physical activity among women in a neighbourhood in Bogotá, Colombia: Prevalence and socio-demographic correlates. Cad Saude Publica. 2004, 20 (4): 1103-1109. 10.1590/S0102-311X2004000400026.PubMedGoogle Scholar
- Wu C: A correlational study on role conflict, leisure constraints, and leisure activity participating toward the tourism industry of career women. 2002, Chiayi County Nanhua UniversityGoogle Scholar
- Frederick CJ, Shaw SM: Body image as a leisure constraint: Examining the experience of aerobic exercise classes for young women. Leisure Sci. 1995, 17 (2): 57-73. 10.1080/01490409509513244.Google Scholar
- Martilla JA, James JC: Importance-performance analysis. J Mark. 1977, 44 (1): 77-79.Google Scholar
- Department of Statistics: Report of education status for people above 15 years old, 2012 week 13. 2012, http://sowf.moi.gov.tw/stat/month/list.htm,Google Scholar
- Shaw SM: Gender and leisure: Inequality in the distribution of leisure time. J Leisure Res. 1985, 17 (4): 266-282.Google Scholar
- Arab-Moghaddam N, Henderson KA, Sheikholeslami R: Women’s leisure and constraints to participation: Iranian perspectives. J Leisure Res. 2007, 39 (1): 109-126.Google Scholar
- Mactavish J: Patterns of family recreation in families that include children with a developmental disability. J Leisure Res. 1997, 29 (1): 21-46.Google Scholar
- Henderson KA, Bialeschki MD, Shaw SM, Freysinger VJ: Both gains and gaps: Feminist perspectives on women’s leisure. 1996, State College, PA: Venture PublishingGoogle Scholar
- Henderson KA, Dialeschki MD: A sense of entitlement to leisure as constraint and empowerment for women. Leisure Sci. 1991, 13 (1): 51-65. 10.1080/01490409109513124.Google Scholar
- Miller YD, Brown WJ: Determinants of active leisure for women with young children—an “ethic of care” prevails. Leisure Sci. 2005, 27 (5): 405-420. 10.1080/01490400500227308.Google Scholar
- Colley A: Sex roles and explanations of leisure behaviour. Leis Stud. 1984, 3 (3): 335-341. 10.1080/02614368400390271.Google Scholar
- Shaw SM: Gender, leisure and constraint: Towards a framework for the analysis of women’s leisure. J Leisure Res. 1994, 26 (1): 8-22.Google Scholar
- Wambach KA: Maternal fatigue in breastfeeding primiparae during the first nine weeks postpartum. J Hum Lact. 1998, 14 (3): 219-229. 10.1177/089033449801400311.PubMedGoogle Scholar
- Gay CL, Lee KA, Lee SY: Sleep patterns and fatigue in new mothers and fathers. Biol Res Nurs. 2004, 5 (4): 311-318. 10.1177/1099800403262142.PubMedPubMed CentralGoogle Scholar
- Brown PR, Brown WJ, Miller YD, Hansen V: Perceived constraints and social support for active leisure among mothers with young children. Leisure Sci. 2001, 23 (3): 131-144. 10.1080/014904001316896837.Google Scholar
- Geraghty SR, Rasmussen KM: Redefining “breastfeeding” initiation and duration in the age of breastmilk pumping. Breastfeed Med. 2010, 5 (3): 135-10.1089/bfm.2009.0094.PubMedPubMed CentralGoogle Scholar
- Rasmussen KM, Geraghty SR: The quiet revolution: breastfeeding transformed with the use of breast pumps. AM J Public Health. 2011, 101 (8): 1356-1359. 10.2105/AJPH.2011.300136.PubMedPubMed CentralGoogle Scholar
- Fein SB, Mandal B, Roe BE: Success of strategies for combining employment and breastfeeding. Pediatrics. 2008, 122 (2): S56-S62.PubMedGoogle Scholar
- Bialeschki MD, Michener S: Re-entering leisure: Transition within the role of motherhood. J Leisure Res. 1994, 26: 57-57.Google Scholar
- New J: Autonomy to abandonment: Women’s leisure options when confronted by social constraints. 1992, Australia: University of Technology, Kuring-gai CampusGoogle Scholar
- Chatterji P, Frick K: Does returning to work after childbirth affect breastfeeding practices?. 2003, Cambridge, MA: National Bureau of Economic Research, 315-335.Google Scholar
- Kimbro RT: On-the-job moms: Work and breastfeeding initiation and duration for a sample of low-income women. Matern Child Health J. 2006, 10 (1): 19-26. 10.1007/s10995-005-0058-7.PubMedGoogle Scholar
- Biagioli F: Returning to work while breastfeeding. Am Fam Physician. 2003, 68 (11): 2201-2208.PubMedGoogle Scholar
- The pre-publication history for this paper can be accessed here:http://www.biomedcentral.com/1471-2458/13/410/prepub
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