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Suicidal ideation and attempts in population-based samples of women: temporal changes between 1989 and 2015



Little is known about temporal changes in the prevalence of self-reported suicidal ideation and attempts within general populations of women. The aim of this study was to assess the prevalence of self-reported suicidal ideation and attempts over a 26 year period (1989–2015) among women from the general population aged 20–49 years. A further aim was to investigate associations between sociodemographic factors and lifetime suicidal ideation over this study period.


A total of 2072 structured personal interviews were performed with a stratified population-based sample of women between 1989 and 2015. Questions about lifetime suicidal ideation and attempts as well as sociodemographic factors were assessed at four data collection waves. Lifetime prevalence of suicidal ideation and attempts were compared through analysis of differences between two independent proportions and their 95% Confidence Intervals (CI). Associations between sociodemographic factors and lifetime suicidal ideation were estimated by weighted odds ratios (OR).


Women aged 20–30 years reported higher lifetime prevalence of suicidal ideation in 2013–2015 compared to 1989–1991 (45 and 33% respectively). Rates of lifetime suicide attempts remained similar between these time points (3.5 and 3.1% respectively). Women aged 31–49 years reported higher lifetime prevalence of suicidal ideation in 2013–2015 compared to 2000–2002 (35.4 and 23.1% respectively). In this age group, lifetime suicide attempts increased from 0.0% in 2000–2002 to 3.6% in 2013–2015. Women aged 20–30 years who were single, unemployed or had low educational attainment had higher OR of lifetime suicidal ideation compared to the reference categories in most of the study waves. In 2013–2015, young students had lower OR of lifetime suicidal ideation (OR 0.34; 95% CI 0.17–0.69) compared to those with employment. Women aged 31–49 years, who were single, had higher OR of lifetime suicidal ideation (OR 2.61; 95% CI 1.06–6.44) than married, cohabiting women and this was observed in 2013–2015.


The results raise a general concern about an increasing trend in suicidal ideation among young and middle-aged women. The current study expands on previous research by demonstrating that sociodemographic factors may show changing patterns in the associations with lifetime suicidal ideation over time.

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Suicidal ideation (or suicidal ‘thoughts’) and attempts are known to be strongly associated with completed suicide [1] and contribute to a large burden of disease in terms of adverse psychosocial impacts, long-term disability and increased health care costs [2, 3]. In high income countries, men outnumber women in suicide deaths [3] whereas suicide ideation and attempts are found to be far more common in women [4, 5].

The prevalence of attempted suicide can be studied either by the use of register studies which include all suicide attempts treated in the health-care system, or by population based surveys involving questionnaires or interviews [6]. Most previous research focusing on suicide attempts in Sweden has involved register data [7, 8]. These studies show that between the mid 1990’s and the early 2000s, there was a substantial increase of attempted suicides among women aged 15 to 24 years whereas no increase was observed among women 25 years or older [7, 8]. In their study, Bogdanovica and her colleagues [8] found that among women aged 15–24 years, suicide attempts rates rose from 324.9 per 100,000 in 1989 to 369.4 per 100,000 in 2003. Since 2007, suicide attempt rates have decreased among young women, although they are still higher than in 1987 [9].

While national registers provide extremely valuable data, they lack information about suicide attempts that do not lead to the use of health care services. It has previously been observed that only 50–60% of all suicide attempts are known to the health care systems [6]. Thus, far too little attention has been paid to potential period changes of self-reported suicide attempts among women in general, and in young women outside the health care setting in particular. In addition, no previous study in Sweden has investigated whether the prevalence of self-reported suicidal ideation among young women has increased during the last decades. Studying trends in suicidal ideation is important due to its association with suicide attempts and completed suicide [1], but also in the light of an increasing concern that the mental health of young women is deteriorating [7]. To our knowledge, only one previous population based study in Sweden made a comparison of the prevalence of self-reported suicidal ideation over time [10]. This study presented prevalence figures for men and women as a composite group and showed a decrease in lifetime suicidal ideation between 1986 and 1996 from 33.3 to 21.1% [10]. Although research performed in other high-income countries used repeated measures of suicidal ideation over time, most of these studies have used prevalence figures for men and women as a composite group [11, 12]. These studies did not find any significant change in suicidal ideation between 1990/92 and 2001/03 [12] and 2001/02 and 2011/12 respectively [11]. However, one previous U.S study reported a decrease in lifetime suicidal ideation among women between 1991 and 1992 and 2001–2002 (from 8.2 to 7.1%), while lifetime prevalence of self-reported suicide attempts remained unchanged during this period [13].

The etiology of suicidal ideation is multifactorial and a wide range of sociodemographic factors seem to be of importance, either directly or indirectly by influencing individual’s susceptibility to suicidal ideation [3, 14]. Since the effect of sociodemographic factors on suicidal ideation may be altered through policies and public health interventions [14], it is important to include these factors in research in this field. Earlier population-based studies focusing on women, have demonstrated associations between suicidal ideation and younger age [15], lack of a stable relationship [16, 17], lack of a stable employment [16] and lower educational attainment [16]. Several studies also suggest that university students are a potential risk group [18,19,20]. However, while these studies have reported on the association between sociodemographic factors and suicidal ideation, only a few studies have investigated the association between sociodemographic factors and suicidal ideation across time among women from the general population [10]. Temporal trends of disease occurrence and risks among different social groups in a population are likely to be dependent on time and place [21]. Thus, historical or social events that occur in a given time period, such as an economic recession may alter the prevalence of suicidal ideation within specific risk groups [14]. This indicates the need to conduct stratified analyses in order to identify temporal changes in the relationship between sociodemographic factors and suicidal ideation in specific risk groups.

The aim of this study was to assess the prevalence of self-reported suicidal ideation and attempts over a 26 year period (1989–2015) in two groups of women from the general population aged 20–30 and 31–49 years. A further aim was to investigate associations between sociodemographic factors and suicidal ideation over this period.


Study design and data collection

This study is part of the four-wave, longitudinal population-based project titled “Women and alcohol in Gothenburg” (WAG) initiated in 1986. The project involved a two-stage stratification procedure with a) an initial postal screening questionnaire (Screening Women and Alcohol in Gothenburg, SWAG), followed by b) structured personal interviews with a stratified sample in the second stage. This two-stage procedure is relevant in epidemiological studies focusing on uncommon conditions such as alcohol-related disorders in women, for which this study was initially designed [22]. The main purpose of this two-stage procedure was to increase the number of individuals with alcohol-related problems, while keeping the numbers of interviews at a reasonable level [22].

The SWAG questionnaire was developed for screening of alcohol-related problems, containing 13 items with a four choice answering mode. This screening questionnaire has been published and described more in detail in a previous article by Spak and Hällström [22]. For the stratification procedure, each question was dichotomized with a negative statement scoring 0 points and a positive statement scoring 1 point, making the maximum total score 13 points. Based on the scores obtained in the SWAG, women were selected for face-to-face interviews by a three category, stratified random sampling. In the first wave, the answers were grouped into three categories: 0 point (no alcohol related problem), 1–3 points (possible alcohol related problems) and ≥ 4 points (probable alcohol related problems) [23]. Out of these groups, all respondents with a SWAG score of ≥4 points, a random quarter of those with 1–3 points and a random one-fifteenth of those who scored 0 points were invited for interview [23]. In the second and third wave, the stratification groups consisted of ≥5, 1–4 and 0 points [24]. The increased cut-off level of ≥5 points was based on an increased alcohol consumption observed among younger women [25]. In the two first waves, a random selection of those who had not responded to the SWAG questionnaire were invited for interview in order to increase the numbers and statistical power. In the fourth and latest wave, due to low response rate in SWAG, all women born in 1993 who returned the SWAG questionnaire were invited to the interview and no stratification procedure was applied.

Those included in the stratified sample were invited by letter to take part in an interview, followed by written reminders and if necessary, telephone calls to non-responders. The same procedure was applied for participants invited to follow-up interviews. Respondents who preferred not to participate in a long face-to-face interview were offered either a shorter version of the interview, a telephone interview or in earlier waves (1989–1991, 1994–1998, 2000–2002), a postal questionnaire. Since questions about suicidal ideation and attempts were not included in the shorter version of the interview, this study includes data from long interviews only.

Study population

The study population includes women born in 1965, 1970, 1975, 1980 and 1993 who were at the time of the respective examination registered in Central and Western districts in Gothenburg, Sweden’s second largest city. In order to increase the number of participants in the fourth wave of the study, women born in 1993 who were registered residents in Northern and Eastern districts were also invited to participate.

The overall participation rates at each screening and interview wave are presented in Table 1. In 1986, the first SWAG questionnaire was mailed out to all women (n = 673) born in 1965, with a response rate of 67.9%. A stratified random sample of 128 respondents were invited for interview and between 1989 and 1991, 74.2% (n = 95) of the women completed a long baseline interview. In the second wave in 1994–1998, 2910 screening questionnaires were sent out to all women born in 1970 and 1975 with a response rate of 77.2%. Out of the stratified sample, 543 women participated in their first long interview between 1994 and 1998. In 2000, the screening questionnaire was mailed to 1103 women born in 1980 with a response rate of 75.2%. Out of the stratified sample, 284 long baseline interviews were performed between 2000 and 2002. Finally, in the fourth wave in 2013, the screening questionnaire was sent out to 1687 women born in 1993, out of which 33.9% responded to the questionnaire. After excluding those who refrained further participation (n = 4), all 568 women who had responded to the SWAG were invited to take part in the interview and 171 women completed a long baseline interview between 2013 and 2015. All women who took part in a baseline interview were invited to follow-up interviews in subsequent waves. In total 2072 baseline and follow-up interviews were performed between 1989 and 2015. The four waves of data collection are henceforth labelled as W1 (performed during 1989–1991), W2 (1994–1998), W3 (2000–2002) and W4 (2013–2015).

Table 1 Screening and interview stages of WAG 1986 to 2015: study population, weighted and unweighted numbers and prevalence (%)

Analysis on differences between long and short interviews

An analysis on the difference between those who completed the long and short interviews showed that women who had completed the long interviews were older, had a higher educational attainment and had a somewhat higher alcohol consumption compared to those who had completed the short interviews.

Attrition analysis

An analysis performed in a previous study [26] showed no difference in sociodemographic variables (age, marital status, number of children, education and employment status for women and her partner) between those who did and did not respond to SWAG. This type of attrition analysis was possible to perform in the first to waves, when women from the stage 1 attrition group were invited for interview in stage 2, thus answering to a range of background factors during the interview. Telephone interviews with non-responders in previous waves indicated shortage of time as a common reason for declining participation [27].

The interview

Interviews were conducted after obtaining oral, informed consent in W1-W3 and written informed consent in W4. The interviews were performed by health care professionals and social workers with several years of work experience. A psychiatrist trained the interviewers in the use of the interview questionnaire, as well as classification of psychiatric conditions in accordance with the Diagnostic and Statistical Manual of Mental Disorders (DSM III-R and DSM-IV). A psychiatrist with extensive clinical experience was available for consultation regarding the diagnostic procedures. The interview included questions about sociodemographic factors, childhood conditions, family relations, sexual abuse, intimate partner violence, work-related questions, alcohol consumption, mental health problems and suicide-related behaviors. Structured interviews were conducted either face-to-face at the respondent’s home or at the University of Gothenburg, or by telephone. Interviews lasted for about 1.5 to 3 h.


Suicidal ideation and attempts

Questions about suicidal ideation and attempts were based on Paykel et al. [28] and Meehan et al. [29] using the following three questions: (1) ‘Have you ever had thoughts of taking your life, even if you would not really do it? (suicidal ideation), (2) Have you ever reached the point that you seriously considered taking your life, and perhaps made plans how you would go about doing it? (suicidal ideation), (3) Have you ever made an attempt to take your life? (suicide attempt). During W2 and W3, the women in the follow-up interviews were asked if they had experienced such thoughts or attempts during the past 5 years (instead of ever). This time frame was changed in the follow-up interviews in W4 to ‘ever’, to be consistent with the baseline interviews. All women were asked at both baseline and follow-up if they had experienced questions 1 to 3 above during the past 12 months.

In this study, a positive response to either question 1 or 2 during the past 12 months was considered as experiencing suicidal ideation during this time period. A positive response to either question 1 or 2 for ever/ during past 5 years was considered as experiencing suicidal ideation earlier in life. In the next step, changes in prevalence were analyzed using lifetime experience of suicidal ideation which was considered when a woman gave a positive response to either of the two merged variables past 12 months or earlier in life. The same procedure was applied for question 3 (suicide attempts). If values were missing on both past 12 months and earlier in life, the value was coded as missing. If a negative response (‘no’) on one of the questions and a missing value on another, the answer was coded as ‘no’.

Sociodemographic factors

The following sociodemographic factors were included at the four waves of data collection: education level (≤ 9 years, 10–12 years (high school) and > 12 years). Relationship status was divided into three groups: (1) married, cohabiting, registered partnership (2) widowed, single, never married, non-cohabiting partner and (3) divorced, separated. For the purpose of this paper, all women in category 1 were categorized as ‘married/ cohabiting’ and those in category 2 were categorized as ‘single’. Current occupation was tricotomized: (1) those who were working half-time or more (‘employed’), (2) homeworkers, unemployed, women who responded ‘not working because of other reasons’ as well as those on disability pension or sickness absence exceeding 3 months (‘unemployed’), (3) women answering that they were studying half-time or more (‘students’). Participants on parental leave were categorized based on their occupation prior to parental leave.

Statistical analysis

Analyses were carried out in SPSS 24 using the Complex Samples Plan. This type of analysis adjusts for weights and “…stratification of the sampling design to produce unbiased national estimates of population means and frequencies from the sample after taking into account weights for over-or undersampling of specific groups” pp. 232 [30]. Descriptive statistics were presented with unweighted and weighted prevalence (%) and 95% confidence intervals (CI) regarding the sampling fractions according to the scores obtained in SWAG. Since no randomized selection based on the SWAG scores was performed with the cohort born in 1993, no weights for oversampling of alcohol related problems were applied. To test for significant differences in prevalences (Δ) of lifetime suicidal ideation and attempts, 95% CIs were computed in W1 and W4 for women aged 20–30 years, and in W3 and W4 for women aged 31–49 years. [31]. Bivariable associations between each sociodemographic factor and lifetime suicidal ideation were estimated using logistic regression with weighted odds ratios (OR) and 95% CI.


Distribution of sociodemographic factors at each data collection wave

The proportion of women with higher education increased in both age groups during the study period, while the proportion who were married or cohabiting decreased (Table 2). Over the 26 year study period, the proportion of women aged 20–30 years who were in paid employment decreased. Among women aged 31–49 years, there was an increase (between W3 and W4) in the proportion of those who had a paid employment.

Table 2 Distribution of sociodemographic factors among women 1989 to 2015. Weighted and unweighted numbers and prevalence (%)

Prevalence of lifetime suicidal ideation and attempts

More women aged 20–30 years reported lifetime prevalence of suicidal ideation in W4 compared to W1 (45% compared with 33%; Δ 12.1%; 95% CI 3.2–20.9) (Table 3). For lifetime suicide attempts, rates were similar in W4 and W1 (3.5% compared with 3.1%; Δ 0.4%; 95% CI -2.7 - 4.6). Among those aged 31–49 years, a higher proportion reported lifetime prevalence of suicidal ideation in W4 than in W3 (35.4% compared with 23.1%; Δ 12.3%; 95% CI 5.7–18.0). In W4, 3.6% (95% CI 1.7–7.5) of the women in this age group reported lifetime suicide attempts.

Table 3 Lifetime suicidal ideation and attempts among women 1989 to 2015. Weighted numbers, prevalence (%)a and differences between proportions (Δ)b

Associations between sociodemographic factors and lifetime suicidal ideation

In W2 and W3, women aged 20–30 years with 9 years of compulsory school or less had higher OR of lifetime suicidal ideation compared to those with more than 12 years of education (OR 3.86; 95% CI 1.68–8.89 and OR 8.00; 95% CI 3.40–18.78 respectively) (Table 4). In W4, women with high school education (10–12 years) had a higher OR of lifetime suicidal ideation (OR 3.37; 95% CI 1.72–6.59) compared to those with more than 12 years of education. Likewise, being a student and being single both showed increased OR for lifetime suicidal ideation in W2 and W3 compared to the reference categories. Being a student was associated with lower OR of lifetime suicidal ideation in W4 (OR 0.34; 95% CI 0.17–0.69), as compared to being employed. The OR of suicidal ideation at any point in life was more than 4-fold among unemployed women aged 20–30 years in W2. Women aged 31–49 years who were single had more than two times higher OR of lifetime suicidal ideation (OR 2.61; 95% CI 1.06–6.44) compared to women who were married or cohabiting (Table 5).

Table 4 Associations between sociodemographic factors and lifetime suicidal ideation, women aged 20–30 years 1989 to 2015
Table 5 Associations between sociodemographic factors and lifetime suicidal ideation, women aged 31–49 years 2000 to 2015


Summary of main findings

This is one of the first studies in Sweden assessing period changes of self-reported suicidal ideation and attempts among women from a population-based sample. Our findings show an increase in the prevalence of lifetime suicidal ideation among women aged 20–30 and 31–49 years, as well as an increase of lifetime suicide attempts among women aged 31–49 years. Low educational attainment, being single, lacking employment and being a student, were associated with lifetime suicidal ideation in most of the study waves.

Prevalence of lifetime suicidal ideation and attempts

We found an increase of lifetime suicidal ideation among both age groups at the end of the study period. Previous population-based studies performed in high-income countries show large disparities in prevalence when it comes to long term trends of suicidal ideation and attempts. Earlier studies have used shorter time periods [10,11,12,13] and/ or presented data for men and women as a composite group [10, 11] which hampers direct comparison with our findings. Further, variations between instruments, methodology and time periods under study, as well as cultural differences in participants’ willingness to disclose suicidal ideation make it difficult to determine whether differences in prevalence reflect real variations or are differences due to methodological disparities [3, 32]. Having this said, the increasing prevalence of suicidal ideation found in this study is in accordance with data published by the National Board of Health and Welfare in 2017 [33], showing increasing trends of depression and anxiety among young women in Sweden. Besides individual suffering and pain, raising trends of mental illness, including suicidal ideation, may lead to increased barriers for educational attainment and access to future labour market. Thus, future studies should closely monitor whether the increasing patterns of suicidal ideation persist and try to focus on mechanisms behind this trend. Cordinated and comprehensive interventions using the available knowledge of risk factors for suicidal ideation are needed [3]. This includes early access to help and early detection within the primary health care settings.

Associations between sociodemographic factors and lifetime suicidal ideation

Educational attainment

In the last three waves we found that among young women, low educational attainment was associated with higher OR of lifetime suicidal ideation compared to women with more than 12 years education. This is consistent with previous research [12, 19, 34]. In a study set in Spain, Gabilondo et al. [19] found that men and women with low or middle level education were 4.3 times more likely to report suicidal ideation compared to those with high educational attainment. Higher educational attainment is believed to benefit mental health through the attainment of important advantages which mitigate life stressors, i.e. more economic and social resources as well as better access to and use of mental health services [35]. On the other hand, low educational attainment may lead to increased risk for suicidal ideation through social disadvantage [4]. For instance, the qualification requirements for paid employment have increased, and those without a university degree have less favorable employment conditions and prospects compared to those who do have a university degree [36]. This may affect the mental well-being of young adults [36] and could be one of many explanations for our finding that young women with compulsory school and/or high school education were more likely to report suicidal ideation compared to women with higher educational attainment. Our findings indicate the importance of maintaining generous safety net programs in order to mitigate social disadvantage among those with low educational attainment and subsequently counteract increased suicidal ideation within this group.

Current occupation

Students in the 20–30 years age group had higher OR of lifetime suicidal ideation in 1994–1998 and 2000–2002 than their peers with employment. Earlier research has identified students as a risk group [18, 19, 34]. It is suggested that lack of self-confidence, feelings of worthlessness [20] and having a frail social support network contribute to suicidal ideation among students [37]. Surprisingly, we observed a negative association between student status and suicidal ideation in 2013–2015. It is not clear how to interpret this finding and we have not been able to find previous research in line with this result. However, as social and environmental conditions alter over time and space, it is likely that the relationship between covariates and health outcomes also fluctuates over time [38]. The composition of the group reporting student status has most likely changed since the beginning of the 1990s. For instance, we did not ask the women to specify whether they were studying at the university or whether they were in vocational training, a factor that may differ over time depending on political decisions and changes in the labour market. Since the beginning of the 1990s, the number of students in Sweden has almost doubled and today more than half of the female population aged 25–34 years has a tertiary education [39]. Thus, in the last wave, a large proportion of the young women responding that they were students may already have a high educational attainment and opted for a continuation of their university studies. As those with high educational attainment are less likely to experience suicidal ideation [16], a plausible explanation may be that young students in the last wave were mentally better-off than students in previous cohorts and data collection waves, because they already had a higher educational degree. Further, due to housing shortage, particularly in larger Swedish cities [40], young students might not have the option of moving away from home. Remaining in the parental home may have some benefits such as maintenance of available social networks and support from parents, siblings and friends, which in turn helps to mitigate stressful life events [4].

Unemployed women aged 20–30 years had a higher OR of lifetime suicidal ideation between 1994 and 1998 compared to those with employment. It is likely that this association between unemployment and lifetime suicidal ideation is, at least in part, related to the situation for young adults in the general population at that time. Between 1990 and 1993, the economic recession contributed to a drop in employment rates among all age groups. This was particularly pronounced among people aged 20–24 years [36, 41] with a decline from about 60 to 39% [36]. Additionally, the labour market for young people did not recover to the same extent as it did for other age groups and this may have contributed to an increase in mental health problems [36]. Previous studies have shown associations between unemployment and suicidal ideation among women [16, 42]. However, the influence of unemployment on suicidal ideation may vary according to gender, age and the sociopolitical context including access to social benefits and assistance during fiscal austerity [14]. Strong social safety nets that prevent economic exclusion due to unemployment, together with maintenance (instead of cost-cutting measures) of mental health care services are shown to mitigate the negative mental health effects of unemployment in times of economic recession [43].

Relationship status

We found that single women in both age groups had higher OR of lifetime suicidal ideation than those who were married/ cohabiting. However, this association was not constant over the study period. Earlier research has found that women reporting suicidal ideation were less likely to be married or cohabiting [17] and more likely to be divorced or separated [16, 17]. Previous findings show that the association between relationship status and a health outcome is complex and partly explained by socio-economic advantages, in terms of stronger social integration and greater economic resources, that a cohabiting or married relationship provides [44]. The implications of relationship status on health may also depend on the cultural and historical context, as well as the particular cohort under study [44]. For instance, despite changing values, marriage and long-lasting intimate relationships are still regarded as a norm, particularly when it comes to older age groups [45]. Singles have in earlier studies been described (by married, cohabiting people and singles themselves) as more self-centered, less socially mature and envious compared to married, cohabiting people [44, 45] and 40-year-old singles are more harshly judged than 25-year-old singles [44, 45]. As public views may lead to negative self-perceptions and internalized expectations (one ‘has to be cohabiting/ married at a certain age’) [45], this could also be one plausible explanation to why single women aged 31–49 years in our study had higher OR of suicidal ideation than their cohabiting, married counterparts.

Methodological considerations

The main strength of this study is the fact that we used repeated cross-sectional surveys with the same measures and comparable age groups of women from the general population. Another strength is the use of the same sociodemographic variables when investigating the association between sociodemographic factors and suicidal ideation over a 26 year period. A further strength is that data on suicidal ideation and attempts are based on face-to-face interviews employing standardized questions on suicidal ideation and behavior.

However, some limitations should be borne in mind when interpreting the results. First, the assessment of the occurrence and timing of suicidal ideation and attempts was based on retrospective self-reported information and suicide attempts were not confirmed by medical records or registers. This may have introduced potential problems with under or over reporting and biased recall. For example, previous research suggests that past suicidal ideation is likely to be forgotten, deliberately denied or unconsciously repressed because of earlier painful memories [46]. Second, self-reported information about suicidal ideation and attempts may have been influenced by social desirability bias i.e. the participant’s willingness to report confidential information, which most likely occurs in response to socially sensitive questions [47]. Third, due to low power we explored neither temporal changes in the lifetime prevalence of suicide attempts, nor associations between sociodemographic factors and suicide attempts. Fourth, to be able to analyze trends over time, we kept the sociodemographic variables with exactly the same categories over the four data collection waves. This however, led to small sample sizes (n = < 10) and large confidence intervals for some of the variables. The results therefore need to be interpreted with caution.

Fifth, the response rate in the screening questionnaire as well as the participation rate in the interviews were considerably lower in 2013–2015 compared to earlier waves (33.9 and 30.1% respectively). This may impact on the generalizability of the results in this study. For instance, people with high educational attainment and high socioeconomic status are more likely to participate in scientific studies [48]. As women with low socioeconomic status and educational attainment are more likely to report suicidal ideation than their counterparts [19], the prevalence figures for suicidal ideation and attempts are likely to be underestimated in our study. This is particularly true for the last wave in which a greater proportion had higher education. However, it is also suggested that there is little evidence demonstrating that low response rate leads to substantial bias [48]. Rising numbers of requests to participate in epidemiological studies, together with increasingly complex and demanding research protocols have been suggested as underlying causes for decreasing participation rates [48]. In addition, growing numbers of cell phone users and unlisted telephone numbers make it harder to reach potential participants [48].


Data from this study raise a general concern about an increasing trend in suicidal ideation among young and middle-aged women. Based on this study, no conclusions can be drawn about the mechanisms behind the changes in association between sociodemographic factors and suicidal ideation over time. However, the results supports clinical and public health focus on younger, socioeconomically disadvantaged women. Further population-based studies with large samples and more frequent measurement occasions are warranted to establish whether changes in suicidal ideation and attempts reflect changes in environmental conditions and life circumstances for women in the general population.



Confidence Interval


Statistical Manual of Mental Disorders, 3rd Edition Revised


Statistical Manual of Mental Disorders, Fourth Edition


Odds Ratio


Screening Women and Alcohol in Gothenburg


United States


Women and Alcohol in Gothenburg


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This study was supported by a grant from the Swedish Research Council for Health, Working Life and Welfare (Forte), grant number 2013–0632. The funders had no role in the study design, data collection, analysis or interpretation of data, decision to publish, or preparation of the manuscript.

Availability of data and materials

The data used for this study is stored at the Department of Public Health and Community Medicine at the University of Gothenburg. For access, please contact the corresponding author.

Author information




SL carried out all statistical analyses, wrote the first draft of the manuscript and revised following drafts based on input from co-authors. GK is the principal investigator responsible for this particular study design and granted project. GH is the principal investigator of WAG and main responsible for the data collection and the data base. GK, JL, MV, GH and MW took part in data interpretation and provided input in manuscript preparation. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Solveig Lövestad.

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Ethics approval and consent to participate

Ethical permissions have been granted at all steps in the WAG project. The current study was approved by the Regional Ethics Review Board in Gothenburg in 2016-10-18 (Dnr: T930–16). Oral informed consent (in 1989–1991, 1994–1998 and 2000–2002) and written informed consent in 2013–2015 was obtained from the interviewees, and all were informed of available help-lines and support services.

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Not applicable.

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The authors declare that they have no competing interests.

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Lövestad, S., Löve, J., Vaez, M. et al. Suicidal ideation and attempts in population-based samples of women: temporal changes between 1989 and 2015. BMC Public Health 19, 351 (2019).

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  • Suicidal ideation
  • Suicide attempts
  • Sociodemographic factors
  • Women
  • Population-based study
  • Temporal change