- Research article
- Open Access
Knowledge, attitude and practices regarding HIV/AIDS among adult fishermen in coastal areas of Karachi
BMC Public Health volume 14, Article number: 437 (2014)
Migrant populations are at high risk of Human Immuno Deficiency Virus infection (HIV) and Acquired Immunodeficiency Syndrome (AIDS). Studies of HIV/AIDS knowledge, attitudes and practices among fishermen in developing countries have shown gaps in knowledge and fear of contagion with ambivalent attitudes towards HIV/AIDS and inconsistent universal precautions adherence. The aim of this study was to determine the knowledge, attitude and practices regarding HIV/AIDS among adult fishermen in a coastal area of Karachi, Pakistan.
Community based cross sectional study was conducted among fishermen in coastal area of Karachi from June to September 2012. A total of 297 adult fishermen were selected by using simple random sampling technique from different sectors of coastal village. Data were collected using a structured validated questionnaire. The frequency distribution of both dependent and independent variables were worked out. Comparisons of knowledge, attitude and practices regarding HIV/AIDS by socio-demographic characteristics were made using logistic regression.
Out of 297 fishermen, majority had in-appropriate knowledge (93.6%), negative attitude (75.8%) and less adherent sexual practices (91.6%). In univariate analysis, lower education and higher income were significantly associated (OR 2.25, 95% CI, 1.11, 4.55), (OR = 3.04 CI 1.03-9.02, p value 0.04) with negative attitude and un-safe practices towards HIV/AIDS respectively, whereas no significant association of socio-economic characteristics with knowledge, attitude and practices were observed in multivariate analysis.
This study suggests that fishermen had very poor knowledge, negative attitudes towards HIV and AIDS and had unsafe sexual practices which suggest that they lack the basic understanding of HIV/AIDS infection. Extensive health education campaign should be provided to the vulnerable sections of the society for the control of HIV/AIDS.
HIV/AIDS is a major health problem, especially for the developing world. The World Health Organization (WHO) reported approximately 33.3 million people were infected with HIV/AIDS globally in the year 2009 . More than seven thousands new HIV/AIDS infections occur every day while approximately 4000 people die every day globally with HIV/AIDS . Of those who are infected, nearly 95% were unaware of their HIV/AIDS status [2–4]. Due to sexual transmission of HIV/AIDS certain groups are at higher risk of contracting the disease including commercial sex workers, Intra Venous (IV) drug abusers and mobile population like military personnel, fishermen, prisoners and truck drivers [5, 6]. Fishermen have been reported at highest risk  because they have social linkages and they move to various sites, and regional markets. HIV/AIDS prevalence among fishermen is reported to be 4–14 times higher than the general population [5–10].
Evidence suggests that the basic knowledge of HIV among fishermen is very low. In a KAP survey in Indian state of Kerala, only 5% of the fishermen reported that they know about HIV and AIDS . Some other studies indicate that about half of the fishermen knew about modes of transmission of HIV, 44.9% attribute to positive living and only 39.6% had knowledge about preventive services for HIV/AIDS [7, 10–12].
Fishermen are considered a high risk bridging population for HIV/AIDS because of their social contacts and interactions with general population. The key components of that bridging phenomenon are they stay away from home for long periods and most people involved in fishing as an occupation are within the age groups (18 to 35 years) most vulnerable to sexually transmitted infections (STIs). As they stay away from home for longer durations, the chances of indulging in risky behavior such as unsafe sex with casual/commercial sex worker substantially increases. Studies suggest that frequent mobility and high levels of alcohol use among fishermen before and during sexual encounters may be a factor of unsafe sexual practices [5, 13].
Although regional evidence reflects that fishermen are a high risk population group, however, knowledge, attitudes and practices of this population group in Pakistan, largely remains unknown. Given that fairly large population groups are associated with fishing business, assessment of fishermen knowledge, attitudes and practices is important to understand their needs. Therefore, the objective of this study was to determine level of knowledge, attitude and practices regarding HIV/AIDS among adult fishermen in a coastal area of Karachi.
Study area, design and period
This cross-sectional study was conducted among fishermen living in coastal areas of Karachi from June to September, 2012. During the study period there were approximately 60,000 individuals living in the coastal village of Bin Qasim town, Karachi.
Sample size and sample technique
Sample was calculated using WHO software for sample size determination in health studies; sample size was calculated based on proportion of knowledge, attitude and practices regarding of HIV/AIDS in fishermen reported by a previous study . The sample size was estimated by using proportions of having appropriate knowledge, positive attitude and safe practices as 5%, 7.5% and 15% respectively at confidence level 95% and bound of error 3%, the estimated sample size came out to be 203, 245 and 297 respectively. Therefore, taking the largest sample, a minimum of 297 fishermen were included in the study. The sampling technique employed was a simple random sampling, using the list of all fishermen obtained from the fisher folk society which is the representative organization of fishermen. The list is upgraded every year and the most recent list was used at the time of data collection as a sampling frame.
Instrument and data collection
Fishermen were defined as all individuals living in fishing communities and involved in or depending on fishing for economic survival. These individuals have high risk for transmitting infection because they can carry and transmit infection to their spouses and sexual partners. They also move to general population where they have contacts and can transmit infection . All fishermen of age 18 to 60 years and working for at least 2 years were included in the study. The study instrument was a validated questionnaire  which comprised of four sections. Part 1 was related to the sociodemographic characteristics, part 2, 3 and 4 related to knowledge, attitude and practices of fishermen regarding HIV/AIDS respectively. Knowledge of HIV/AIDS of fishermen was assessed by 21 items questionnaire which included questions regarding transmission of HIV/AIDS, sign, symptoms and preventive measure. Attitude towards HIV/AIDS were assessed by a 16-items questionnaire which included questions on shaking hands, eating in same utensils, sharing room, working with HIV/AIDS patient. Practices were assessed by a 21-items questionnaire which included use of condom during sexual act, multiple sexual partners, HIV testing, treatment of STI.
The questionnaire was prepared in English version and translated to the local language (Sindhi) and checked for consistency. Before the final data collection, this questionnaire was pre-tested on fifty fishermen in another coastal village of Karachi and the results were used to improve the phrasing of questions in this instrument.
The knowledge scale was based on an instrument developed by Eckstein  containing statements about disease presentation, transmission, precaution and prevention. Each item was scored as ‘yes’, ‘no’ or ‘don’t Know’ with 2, 0 and 1 scores respectively. Correct responses were summed on a 38-point rating scale and those who had a score of HIV/AIDS knowledge index equal or more than 23 considered as having appropriate HIV/AIDS knowledge and those who had scores below 23 were considered as having inappropriate knowledge. The attitude scale is based on an instrument for measuring attitudes towards HIV/AIDS , and comprised of items probing empathic and avoidance behavior. Likert scales ranging from disagreement; do not have any idea and agreement, with 0, 1 and 2 scores accordingly. Correct responses were summed on 16- point rating scale and those who had attitude toward HIV/AIDS index equal to 10 or more considered as positive HIV/AIDS attitude whereas those who had score below 10 were considered as negative attitudes. The practices scale  consisted of questions relating to universal precautions adherence, post-exposure prophylaxis (PEP) requirement and behavior with regard to HIV testing and referral. Items were scored as ‘Yes’ , ‘No’ or ‘not applicable’ with 2, 0 and 1 scores respectively. Correct responses were summed up to 38 point rating scale and those who had safe practice in relation to HIV/AIDS equal to or more than 23 were considered more adhere to safe practice and those who scored below 23 were considered as less adhere to safe practice. Three variables which were dichotomous i.e. Knowledge (Appropriate/In-Appropriate) Attitude (Positive/Negative) and Practice (Safe/Un-Safe) were used as outcome variables. These above mentioned scales have been used in many countries such as USA, Sweden and countries in Africa, in different studies [18–20] regarding the knowledge, attitude and practices assessment about the HIV/AIDS of the population.
Data management and analysis
During data collection process, the data were checked for completeness and any incomplete or misfiled questions were sent back for correction. Data were double entered in Epi Data software version 1.3, cleaned for missing values and checked error rate which was 0.02%. Data were analyzed using software SPSS version 16. Descriptive statistics were used to describe socio-demographic characteristics. The frequency distribution of both dependent and independent variables were worked out. Logistic regression models were used to examine the possible association between independent variables and outcome variables. A p-value ≤ 0.05 was considered significant. Independent variables which were biologically plausible to have some confounding potential or known factors associated with KAP or those appeared with a p-value ≤0.25 in unadjusted analysis were included in the multivariate analysis.
The study was ethically approved by the Ethical Review Committee of Aga Khan University Karachi. Written consent, after explanation about the study, was obtained from the study participants. The interviews were conducted in a private room for reasons of privacy, confidentiality of information. Counseling was done after interview providing them basic information, positive attitudes and safe practices which can prevent the spread of HIV/AIDS. Those fishermen who had negative attitude and un-safe practices were referred to tertiary care hospitals for screening of the disease. Study participants had rights to withdraw from the study at any time.
Mean age of fishermen was 32 ± 12.1 years, 60.9% were of age 18–30 years, 80.8% were married, 74.4% were illiterate and 63.6% were working on daily wages. 65.3% were earning less than 10,000 Pakistani rupees and 66.2% of the fishermen were not able to save money from their earned income.
Mean scores of knowledge, attitude and practice about HIV/AIDS of fishermen were 14.17 (SD = 5.29), 11.96(SD = 9.34), 14.47(SD = 5.25) and median scores were 13 (IQR =11-18), 10 (IQR = 3–18) and 13 (IQR = 3–28) respectively. Majority of fishermen had inappropriate knowledge (93.6%) of HIV/AIDS, 75.8% had negative attitude towards HIV/AIDS and 91.6% were involved in unsafe sexual practices.
The major sources of information regarding HIV/AIDS were electronic media (TV, radio) (n = 101, 34%), followed by print media (Newspaper) (n = 14, 4.7%). 89.6% of the fishermen were addicted of substances like nicotine, niswar and gutka (Table 1).
Majority of fishermen (61.6%) did not hear about HIV/AIDS and 38% believed that even healthy looking individual could transmit infection (Table 2). 50.5% knew that HIV/AIDS could be transmitted through un-protected sexual contact and un-safe blood transfusion. 44.4% of respondents had known that HIV can be transmitted through needle stick injury while 24.6% knew that it can be transmit through placenta. 86.9% believed that HIV/AIDS is incurable whereas 67.3% and 60.6% disagreed on living and working with HIV/AIDS patients respectively.
Circumcision practices (97.0%), more than one spouse as sexual partner (9.8%), condom usage in last one year (25.6%), sexual partners other than spouse (25.6%) were prevalent characteristics among fishermen. Only a small percentage was (4.7%) informed about STI and of these only, 10.4% received treatment for STI.
Illiterate fishermen were two (OR = 2.25, CI 1.11- 4.55, p value 0.02) times more likely to have negative attitude towards HIV/AIDS than literate while fishermen who earned ≥10000 rupees per month were three (OR = 3.04 CI 1.03-9.02, p value 0.04) times more likely to have unsafe practices than who earned less. No significant association was observed for in-appropriate knowledge and other socio-demographic variables (Table 3).
On multivariate analysis, men who were singles, had monthly income ≥ 10,000 were more likely to have in-appropriate knowledge, while those who were illiterate were more likely to have negative attitudes and un-safe practices compared to literate individuals, however, these associations were not statistically significant after adjusting for co-variates. There were no significant associations of socio-demographic characteristics with level of knowledge, attitude and practices towards HIV/AIDS after adjusting for co-variates (Table 4).
This survey revealed that considerable proportion of fishermen have in-appropriate knowledge, negative attitude and un-safe practice regarding HIV/AIDS and also identified several deficiencies in the knowledge, attitude and practices of HIV/AIDS in certain key areas, such as basic knowledge about the disease, transmission and ways to prevent it.
These results are in concordance with the level of HIV/AIDS knowledge found in other studies from developing countries like African and Asian pacific region [11–13], suggesting that knowledge among fishermen is very low which may perhaps be due to high level of illiteracy (Most of fishermen in this study reported that more than two third of participants were illiterate) and they have not heard about HIV/AIDS. This is in contrast to the findings of Pakistan Demographic Health Survey (PDHS 2006–2007) where, more than two third of population had heard about HIV/AIDS . In PDHS, general population literacy rate was around 40%. When they were asked about mode of spread and preventive strategies for HIV/AIDS, a high percentage did not know about the source through which the infection could spread, which is also quite dissimilar to the findings reported in a national survey of Pakistan , this may be because national survey represents the general population where literacy rate was high and they had more access to HIV information. Most of the participants believe that HIV/AIDS prevent by less sexual activity/ faithful to sexual partner, which is consistent with results of PDHS 2006–2007  and studies from other regions of the world including African countries [23–25].
In this study there was no significant difference of knowledge among different socio-demographic groups. This is perhaps due to the fact that the knowledge about HIV/AIDS, in general, is fairly poor across all study participants. This is in contrast to some others studies where education level, age categories were significantly associated with HIV/AIDS knowledge level among fishing communities [11, 12, 23]. One reason for the low level of sexual knowledge reported in these studies is that, as a conservative Muslim society, Pakistan has certain social and cultural barriers to discuss and address the problems pertaining to sexuality or STD, including HIV/AIDS. In this study major source of information of HIV/AIDS were electronic media, but fishermen were out of home for fishing purpose and HIV information was not accessible to them through electronic media .
Generally participants had negative attitude towards HIV/AIDS but they were sympathetic towards HIV/AIDS patient and against isolating the patient form society. Other investigators have reported consistent presentation for negative attitude towards HIV/AIDS among fishermen [11, 12]. Social and culture attitude play an important role-play in the perception and response to danger. Study found that fishermen had no perception of such type of danger of HIV/AIDS and believes that everything come from nature and solved with time . The denial of danger and fatalism are common themes among fishermen . In this study only significant difference of attitude was observed among those who were literate compared with illiterates This is in line with the findings of other studies [28, 29].
No participant reported that he has gone through screening test of HIV/AIDS and this is due to unawareness about the disease, access and availability of such services . The Condoms uses among study participants were very low (25.6%) which is consistent with the findings of other studies [24, 31]. The reason for not using condoms because they have no access to information and social marketing companies are not allowed to work in this particular area due to culture barriers. In this study, one quarter of the men reported extra-marital sex, this sexual practice could be high and may be underreported, therefore it should not be ignored as a potential risk factor while another study had reported that nearly half of men had extra-marital sex . Men with higher income appeared to have unsafe sexual practices in this study, this may be perhaps reflecting that those who have higher income more likely to contact paid-sex workers [33–35].
There are several strength of this study, finding of this study determine the high risk group which was previously ignored, fishermen may act as a bridging population because they have social contact with the general population which may lead to transfer of infection from high risk group to low risk group (general population). Fishery plays an important role in Pakistan's economy, during the year 2000, Rs.7.9 billion valued of fish and fishery products were exported . Loss of human resources will jeopardize the economy of Pakistan. The findings of this study should be considered in light of the following limitations. We relied on self-report to assess the sensitive health risk behaviors. Due to social and cultural reasons, participants may have hidden some risk behaviours, our measures of association may be an underestimate of the true effect. We couldn’t observe any statistically significant differences in knowledge, attitude and practice scores, this may be because majority of participants had poorer knowledge, negative attitudes and unsafe practices related to HIV and AIDS, so the numbers in high knowledge, positive attitude and safe practice groups were smaller to observe any convincing associations. A larger cross-sectional survey, using multiple cities and centers may provide further insights and identify some high-risk groups. Finally, our study did not cover distribution of multiple sexual relationships, mobility, and port based IDU among fishermen, which are the risk factors of HIV among fishermen, so this remains a limitation of the study.
Despite these limitations, appropriate health education should be given to the fishermen in a generalized way to bring behavioral change targeting at all health-risk behaviors in relation to HIV and AIDS. Electronic media appeared to be the only source which was utilized by at least one third of the populations, so behavior change interventions may be executed through local radio/TV channels to improve the knowledge and practices.
Study identified substantial gap in the knowledge, negative attitude towards HIV/AIDS and un-safe sexual practice among fishermen in Rehri Goth, coastal area of Karachi. Mass education related to HIV/AIDS among the fishermen is urgently needed.
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The pre-publication history for this paper can be accessed here:http://www.biomedcentral.com/1471-2458/14/437/prepub
The authors thank all the participants in the study.
The authors declare that they have no competing interests.
MZ conceived the study, undertook statistical analysis and drafted the manuscript. NN, MK, ZF, KS supervised the study and made major contributions to the study design and statistical analysis. ZA contributed to the writing of the manuscript and all authors approved the submitted version of the manuscript.
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Zafar, M., Nisar, N., Kadir, M. et al. Knowledge, attitude and practices regarding HIV/AIDS among adult fishermen in coastal areas of Karachi. BMC Public Health 14, 437 (2014). https://doi.org/10.1186/1471-2458-14-437