World Journal of AIDS
Vol.04 No.03(2014), Article ID:49934,9 pages
10.4236/wja.2014.43041

Degree of Male Mobility as a Risk Factor for HIV in High In-Migration Districts of Maharashtra, India

Dipak Suryawanshi1*, Bidhubhushan Mahapatra2, Varun Sharma1, K. Anil Kumar1, Niranjan Saggurti2, Shalini Bharat1

1School of Health Systems Studies, Tata Institute of Social Sciences, Mumbai, India

2HIV and AIDS Program, Population Council, New Delhi, India

Email: *deep.suryawanshi@gmail.com

Copyright © 2014 by authors and Scientific Research Publishing Inc.

This work is licensed under the Creative Commons Attribution International License (CC BY).

http://creativecommons.org/licenses/by/4.0/

Received 26 July 2014; revised 20 August 2014; accepted 15 September 2014

ABSTRACT

Background: Mobile males are vulnerable to HIV and are potential bridge for HIV transmission to their sex partners, including spouses. To understand how mobility accentuates vulnerability to HIV, we assessed the association of degree of male mobility with paid sex, alcohol use and condom use at all places visited by migrants in past two years. Methods: A cross-sectional survey was done among male migrant workers [n = 2991] in five high in-migration districts of Maharashtra in India during 2007-08. Results: Multivariate logistic regression analysis revealed that higher mobility [moving 3+ places in the past two years] was associated with “sexual debut” in paid sex [3.7% Vs 6.9%, AOR = 1.70, p < 0.001] and having sex with sex worker at the current place of destination [8.7% Vs 16.9%, AOR = 2.10, p < 0.001], at the previous place of destination [7.2% Vs 15.1%, AOR = 2.05, p < 0.001], and at the place of origin [0.6% Vs 1.6%, AOR = 2.31, p < 0.001]. However, high- er mobility was associated with unpaid sex with non-marital female partners [28.4% Vs 37.2%, AOR = 1.48, p < 0.001] and less consistent condom use at the current place [26.6% Vs 23.4%, AOR = 0.45, p < 0.05] as well as at place of origin [12.2% Vs 7.2%, AOR = 0.48, p < 0.01]. In addition, al- cohol use prior to sex was more among more mobile migrants relative to less mobile migrants at current place [6.1% Vs 11.2%, AOR = 1.82, p < 0.001] and previous place [7.0% Vs 13.0%, AOR = 1.77, p < 0.001] of destination. Conclusion: Findings suggest that compared to the less mobile, highly mobile men report higher HIV risk behaviours: paid sex, alcohol use prior to paid sex and inconsistent condom use, at all locations along the routes of mobility. Interventions need to target men who are highly mobile along the routes of mobility and not at destination sites alone.

Keywords:

Male Mobility, Alcohol Use, Condom Use, Degree of Mobility, HIV, India

1. Introduction

In recent studies male migrants are widely acknowledged as important facilitators of HIV transmission [1] -[4] . Migration status of males is strongly associated with risky sexual practices [multiple sexual partners, ignorance about condom use, inconsistent use of condom and substance use prior to sex] in India and elsewhere [5] -[7] . Socio-economic and psychological factors [contractual system of labour, limited knowledge about HIV and oth- er STIs, and low self-perceived risk of HIV] escalate their vulnerability to HIV and other STIs [8] [9] . Addition- ally, living arrangements of male migrants add to their vulnerability to HIV [10] . Studies related to migration have generally focused on long term movements. The role played by short-term, temporary movements [hence- forth mobility] in influencing behavioural practices of migrants is not adequately explored, particularly in Indian context [9] [11] -[14] . These temporary movements form complex network of constant and frequent contacts with partners and serve as channel not only for economic gains through remittances but also of many diseases [15] [16] . Various studies have attempted to capture the impact of mobility and suggested that it may lead to greater propensity of high risk sexual behavior among migrants exposing not only them but also their casual and regular partners such as, spouses, to HIV and other STIs [17] [18] . Mobility increases the number of sexual partners, sexual networks, likelihood of unsafe sexual practices and the connectivity of geographically deli- mited/closed sexual networks [19] . Mobile men with non-resident spouses are more likely to be indulging in multiple sex partners than their counterpart [11] . Hence, it may be argued that temporary movements of mi- grants is an important dimension for understanding the vulnerability related to HIV risk because these move- ments form multi-local social networks which in turn create opportunities for continued sexual networking [20] -[22] . Indian studies have not adequately explored the sexual and other lifestyle behavior of migrants in re- lation to mobility [23] . Available research is generally focused on life style and sexual behavior of active or re- turning migrants at current place of destination or place of origin [12] [13] . The aspect of mobility which cap- tures the dynamic and fluid nature of migration is largely ignored in these studies. This paper attempts to fill this gap by focusing on the role of “mobility” in HIV vulnerability. It examines the association between degree of mobility and HIV related risky behavior [sexual behavior and alcohol use] among male migrants across their current place of destination, previous places visited and place of origin.

2. Methodology

2.1. Study Settings

The data used in this paper are derived from a behavioural cross-sectional survey of male migrant workers con- ducted by Tata Institute of Social Sciences and Population Council during June 2007 to September 2008. The participants were recruited from five districts [Mumbai, Nagpur, Nashik, Pune and Thane] of Maharashtra state with high rates of in-migration, as per the 2001 census of India [24] .

2.2. Sampling Design

A two-stage systematic sampling procedure was adopted in selected migrant worker residential colonies [either organized labour colonies or illegally occupied land where small hutments were made for living] and worksites. District maps were used to list all migrant worker residential areas and worksites and to define and select the clusters within these sites. At Stage-1, clusters were selected systematically from the list and subsequently at Stage-2, houses were selected using systematic sampling method. Migrant men from the chosen houses were sampled systematically. For the selection of migrants at the workplace, a facility-based procedure was used. If the facility listed their male migrant workers, the lists were used to select the men for interview systematically. Otherwise, men were selected from the areas where they work or loiter.

2.3. Eligibility and Recruitment

The eligibility criteria for inclusion were age 18 years or older, and having moved to at least two places in the past 2 years for work. The final sample size was 2991. Personal interviews were conducted by trained multilin- gual investigators in private locations or at workplaces. Verbal consent was obtained from all respondents. Ethi- cal approval for the study was obtained from the Institutional Review Board [IRB] of the Population Council, New Delhi, India.

2.4. Measures

2.4.1. Socio-Demographic Measures

Socio-demographic measures included questions about age, educational attainment, current marital status, and wife’s resident status [Yes/No]. Occupational status of the male migrant workers was captured under the fol- lowing categories: construction work, market place, loading and unloading, daily wage work, industrial work, stone cutting, and others. The current marital status and current residence with wife was combined to create a composite variable with categories: currently married and staying with wife, currently married and wife is at na- tive place. State of origin was coded to indicate high/low HIV prevalence states: “0 = HIV low prevalence state” [i.e. Uttar Pradesh, Bihar, Chhattisgarh, West Bengal etc.]; “1 = HIV high prevalence Maharashtra state”; and “2 = HIV high prevalence other states” [i.e. Andhra Pradesh, Karnataka, and Tamilnadu] [25] -[28] .

2.4.2. Migration and Mobility Measure

The level of mobility was the key independent variable for the analysis and was derived from the survey item that asked how many different places the respondent had moved/visited in the past 2 years for work related pur- poses or prior to the current destination. Those indicating fewer than three places were coded as “0 = less mobile” and those indicating three or more places were coded as “1 = more mobile”. The survey instrument also gathered information on duration since migration [in years]: “When was the first time you moved out from the native place for job/work?”

2.4.3. Sexual Risk Behavior Measures

Sexual behavior questions included information on type of sexual partners [female sex workers, non-spousal/ non-marital female sex partners], frequency of condom use with those partners, and alcohol use prior to sex with each partner type at 3 sites: destination sites [past 12 months], previous place of destination and place of origin [past 24 months]. Reference period for condom use with each partner type was fixed at “last time” and “past 6 months”. For the purpose of analysis consistent condom use is defined as the use of a condom every time that the respondent had sex with any partner. Dependent measures of sexual risk behavior were created as follows: number of sexual partners, sex with a sex worker, and sex with non marital female partner in place of origin, destination and previous place visited.

2.4.4. Alcohol/Substance Use Measure

Alcohol use prior to or during sex was measured at each site [destination, previous visited place, place of origin] with each partner type with reference period of 1 month prior to the survey [past 30-day use].

2.5. Statistical Analysis

Calculation of proportions and Chi-square tests were carried out to detect differences in HIV risk indicators by levels of mobility among sampled male migrant population. The odds ratios were used to measure the associa- tion between degree of mobility and HIV related risk behavior indicators using logistic regression models [ad- justing for socio-demographic characteristics like age, education, income, occupation and marital status to con- trol the confounding effect of demographics with outcome variable]. All statistical analyses were conducted us- ing SPSS 17.0.

3. Results

3.1. Socio-Demographic Characteristics

Of the sampled population [N = 2991], almost 3/5th of the migrants [59.8%, n = 1790] were “less mobile” and remaining [40.2%, n = 1201] were “more mobile” [i.e. had moved to 3 or more places in past 2 years]. Migrants were generally in their mid twenties [Mean age 24.7 years] and most had received 7 - 8 years of schooling (Table 1); the “more mobile” being somewhat better educated. Half [50.7%] of the male migrants were married which splits into a majority of [33.9%] living away from their wives and only 16.8% living with their wives. A significantly higher proportion [84.6%] of the ‘less mobile’ among the currently married reported living away from their wives for more than 7 months in a year compared to the more mobile [48.7%]. In short, a higher pro- portion of the less mobile reported longer periods of uninterrupted spousal separation. Nearly half of the male

Table 1. Sociodemographic characteristics of sampled male migrant population by degree of mobility, Maharashtra, India [N = 2991].

aThe degree of mobility is defined in two categories: “less mobile”, i.e. moved to less than 3 places in past 2 years and “more mobile”, i.e. moved 3 or more places in past 2 years; bp-value is generated using Wald-Chi-square test; cAmong those migrants who are currently married and not staying with wife [n = 1015]; dThis includes the low HIV prevalence states like Bihar, Chhattisgarh, Madhya Pradesh, Uttar Pradesh etc.; eThis includes high HIV prevalence states like Andhra Pradesh, Karnataka and Tamil Nadu.

migrants [47.0%] were industry workers and about one fourth [28%] were construction workers. The sampled migrants were predominantly from low HIV prevalence states like Uttar Pradesh, Bihar, Chhattisgarh and Mad- hya Pradesh [82%], with only 12 % coming from within Maharashtra state; which is also a high prevalence state and a much smaller percentage [6%] coming from high HIV prevalence states of Andhra Pradesh, Tamil Nadu and Karnataka. A comparatively higher proportion of the less mobile migrants were from low HIV prevalence states [85%]; while among those more mobile 78% belonged to low prevalence states followed by Maharashtra with less than one fifth [17%] and remaining from other high HIV prevalence states [5.5%].

3.2 Alcohol Use

Nearly 45% of the study sample reported alcohol use in past 30 days; a significantly higher proportion among them more mobile sample than those less mobile [p < 0.001, Table 2]. Further, a significantly higher propor- tion of the more mobile sample reported alcohol use prior to sex at both current site [11.2%] and at previous destination site [13%] as compared to the less mobile [6% & 7% respectively].

3.3 Sexual Risk Behavior

Among unmarried male migrants, more than half [55.3%] reported ever having sex in their life and among those who had sex, the proportion was more among “more mobile” migrants as compared to “less mobile” migrants [p < 0.001, Table 3]. Only 5% of the total sampled migrants, among them a significantly higher proportion of the more mobile, reported “sex worker” as their first sexual partner in life [p < 0.001]. Migration and mobility, however, seem to change this pattern. The proportion of male migrants reporting visit to female sex workers showed an increase between place of origin [1%], previous destination [10.4%] and current destination [12%]. Although both the less mobile and the more mobile reported an increase in visits to FSWs across sites visited, it was significantly substantial in the case of more mobile migrants at each site as compared to the less mobile. Thus, at each site nearly twice as many migrants who are more mobile reported visiting FSWs in comparison to those less mobile. However, sex with non-marital sex partner other than spouse such as girl friends or casual partner shows the reverse trend.

While nearly one third [31.9%] of the migrants reported sex with non-marital partner at place of origin; this reporting was higher among more mobile [37.2%] as compared to less mobile [28.4%] male migrants and this proportion reduced progressively from the previous visited site to the current place of destination. However, the difference between the less mobile and more mobile migrants is maintained with a higher proportion of the latter reporting sexual behavior with a non-marital partner than the former. This suggests that “degree of mobility” is strongly associated with HIV-related sexual behaviours not only at the destination places but also at the place of origin. It also suggests that “more mobile” men are at higher risk of acquiring HIV infection due to their multi- partnering sexual relationship at all sites: the current/previous place and place of origin.

3.4. Condom Use Behaviours

Consistent condom use [CCU] with FSWs and non-marital female partners ranged from 9.8% to 83.0% across the current/previous destination and place of origin. CCU was higher with paid partners such as FSWs as com- pared to with non-paid partners (Table 4). The proportion of “more mobile” migrants using condoms consistent-

Table 2. Degree of mobility and alcohol use across three different locations where migrant visited/worked in the past two years: current & previous destination place and place of origin, Maharashtra, India [N = 2991].

aDependent variables: Current alcohol use [0 = No, 1 = Yes]; Alcohol use prior to sex [(by routes of mobility) 0 = No, 1 = Yes]; bReference category; cControlled for age, age square [to check the effect of curvilinearity of age], education, marital status, religion, occupation, native state and duration of migration of the respondent. AOR: Adjusted odds ratio; 95% CI: 95% Confidence interval; *p < 0.05; **p < 0.01.

Table 3. Male migrant’s sexual risk behavior across the places visited by their degree of mobility.

aDependent variables: Had sex with female sex worker [(by routes of mobility) 0 = No, 1 = Yes]; Had sex with non-marital female partner [(by routes of mobility) 0 = No, 1 = Yes]; Had sex with 1+ non-marital partner [(by routes of mobility) 0 = No, 1 = Yes]; bReference category; cAmong the unmarried/ single male migrants [n = 1466]. Non-marital female partner is defined as partner other than female sex worker or partner other than spouse/female sex worker for married male migrants. This definition is used consistently at all the places, i.e. current/previous place of destination and place of origin; dControlled for age, age square [to check the effect of curvilinearity of age], education, marital status, religion, occupation, native state, duration of stay at the current place of destination and duration of migration of the respondent; eControlled for age, age square [to check the effect of curvilinearity of age], education, marital status, religion, occupation, native state, duration of stay at previous place of destination and duration of migration of the respondent; fControlled for age, age square [to check the effect of curvilinearity of age], education, marital status, religion, occupation, native state, frequency of visiting native place [place of origin] and duration of migration of the respondent. AOR: Adjusted odds ratio; 95% CI: 95% confidence interval; *p < 0.05; **p < 0.01.

Table 4. Consistent condom use among the male migrants across the routes of mobility by degree of mobility.

aDependent variables: Consistent condom use with female sex worker, at the current place of destination [0 = No, 1 = Yes]; Consistent condom use with non-marital female partner, at the current place of destination [0 = No, 1 = Yes]; Consistent condom use with any non-marital female partner [(at previous destined place and at the place of origin) 0 = No, 1 = Yes]; bReference category; cControlled for age, age square [to check the effect of curvili- nearity of age], education, marital status, religion, occupation, native state and duration of migration of the respondent. AOR: Adjusted odds ratio, 95% CI: 95% confidence interval; * p < 0.05; ** p < 0.01.

ly with FSWs was less as compared to the “less mobile” migrants [81.8% vs. 84.6%; AOR = 0.91; 95% CI: 0.48 - 1.75] at current place. The same trend was observed with non-marital female partner at the current destination. Moreover, at the current place of destination [26.6% vs. 23.4%; AOR = 0.45; 95% CI: 0.20 - 0.99] and at the place of origin [7.2% vs. 12.2%; AOR = 0.53; 95% CI: 0.31 - 0.91], “more mobile” migrants were found less likely to use condoms consistently with non-marital female partner as compared to those “less mobile”.

4. Discussion

Studies among male migrants have mostly emphasized on the relationship between migration status and their sexual risk behaviour which puts them at a greater risk of acquiring HIV infection and a potential bridge popula- tion [5] -[7] [29] -[34] . Findings presented in this paper highlight the role of mobility in accentuating HIV related risk for male migrants. “More mobile” migrants reported higher proportion of risky sexual practices [visiting sex workers, sex with non-marital female partners, substance use prior to sex and inconsistent condom use] at all sites of movement [current, previous destination place and place of origin]. The study documented that “degree of mobility” is an influential factor in determining the sexual behavior of male migrants at destination as well as place of origin. At destination [current as well as previous], the more mobile migrants were more likely to be engaging in paid sex than their counterpart. Likewise, at place of origin, more mobile migrants are more likely to be engaging in unpaid sex. In Indian context, this finding is in line with the other studies [12] [13] . The find- ings suggest that returning migrants continue to engage in sexual practices with unpaid non-marital female part- ners. Additionally, inconsistent condom use, especially among more mobile migrants during such sexual en- counters, facilitates spread of HIV infection and other STIs. This is supported by the fact that in the recent HIV estimates, a higher rate of HIV incidence was reported among anti-natal clinic [ANC] attendees at the places which are major source of migrants [14] . Moreover, a small proportion of migrants have also reported “sex worker” as their first sexual partner in life, which is basically the measure of sexual debut for paid sex in the destination sites. This early exposure to paid sex along with inconsistent condom use at destination sites makes them vulnerable to HIV/STI infection. The proportion of these “risky” behaviours was observed more among migrants with higher degree of mobility.

A body of literature across the globe has shown “alcohol use prior to sex” as a lead to unprotected sex with casual partners [12] [35] which expose them to HIV risk [36] [37] . Studies in India have shown high alcohol consumption among mobile men increasing their risk of STI infections due to inconsistent condom use under the influence of alcohol [38] [39] . Additionally, a population-based and hospital-based study in Andhra Pradesh concluded that consumption of alcohol prior to sex was a key determinant of sexual risk [unprotected sex and anal sex]. The study also recommended the reduction in consumption of alcohol prior to sex to prevent HIV infection among married and unmarried men [40] [41] . The current paper reports the proportion of respondents reporting consumption of alcohol prior to sex to be almost double among the ‘more mobile’ migrants than their counterpart. Association between use of substance and risky sexual practices has been reported by earlier various studies [12] [42] . Various studies also document the reasons for use of alcohol prior to sexual act as peer pressure, to ignite sexual sensation, enhancing sexual performance, sexual aggression and pleasure, to overcome emotional distress and muster courage to purchase sex services of FSWs etc. [43] -[48] . Exploring high mobility in relation to alcohol use prior to sex, the post-hoc analysis suggests that the young male migrants in the age group of 21 - 25 years, unmarried and belonging to lower economic strata, indulge more in alcohol use prior to sex. Aforementioned reasons are likely to be contributing factors resulting in risky sexual practices to prove masculinity [49] . Hence, HIV prevention programmes should target this sub-group of male migrants and disseminate information about the ill consequences of using alcohol prior and during sexual act. Rehabilitation programmes may also be an effective way to reduce alcohol consumption among this group.

Consistent condom use [CCU] is an important measure of safer sexual practices. However, the study reported same level of consistent condom use, though statistically non-significant [p > 0.05] among both groups of inter- est [more and less mobile]. Yet, CCU with FSWs at current place of destination was relatively low among more mobile than their counterparts. Again, at the place of origin, CCU was significantly low among more mobile migrants. Relatively low CCU among more mobile migrants puts their sexual partner at an escalated risk of HIV and other STIs. Various studies have documented the reasons for inconsistent condom use among male migrants as: lack of sexual knowledge and education, low level of education, long duration of separation from spouses and alcohol consumption which impairs the decision of using condoms [50] [54] . These factors should be duly dealt with while formulating the intervention strategies for male migrants. In addition, irrespective of degree of mobility, more male migrants were indulging in paid sex at current destination place than previous place and place of origin [12.0%, 10.7% and 1.0% respectively]. Conversely, indulgence of migrants in unpaid sex with non-marital female partners was high at the place of origin as compared to current and previous destination [31.9%, 7.5% and 15.5% respectively]. The findings are consistent with other Indian studies [13] [23] .

The results of this study must be interpreted keeping in mind certain limitations. From programme perspective, one limitation of the study is that it is difficult to identify and target unpaid sexual partners [non-spousal] of male migrants. Secondly, the results are specific to male migrants’ community in Maharashtra state. It is quite possible that the sexual behavior of male migrants may vary in other high HIV prevalence states. Likewise, the possibilities are that the behavior may vary among mobile and non-mobile men considerably across the state. Another limitation is that duration of exposure for risky behavior may not have been uniform across different sites visited. Recall bias may also be a limitation considering that highly mobile population is also less likely to remember many details of their risky behavior.

Despite these caveats, this study contributes to the growing body of migration and mobility related studies. Most of the surveys and studies ignore the short term frequent movements of mobile male population and fail to acknowledge this sub-group as potential bridging population. This study brings the mobility factor to forefront and relates it with the risky sexual behavior among male migrants along the routes of migration. The study find- ings suggest that in addition to destination areas, the “place of origin” and “other intermittent” sites are also cru- cial geographical locations for intervention in response to HIV. Study recommends that prevention programmes should target the more mobile males specifically calling attention to gathering more details about nature of work and working conditions.

The findings of this study also emphasize on the need to develop an effective research agenda on male mobil- ity and refine survey tools to capture the aspect of mobility more precisely. Questions related to short term movements can also be incorporated in the census or national sample survey interview schedules such as, Na- tional Sample Survey [NSSO] to capture adequate information regarding the degree of mobility among males. Detailed and reliable information will help researchers and policy makers to design more effective programs for mobile population groups in the country.

Acknowledgements

This paper was written as part of a mentorship program under the Knowledge Network Project of the Population Council, which is a grantee of the Bill and Melinda Gates Foundation through Avahan, its India AIDS Initiative. The views expressed herein are those of the authors and do not necessarily reflect the official policy or position of the Bill and Melinda Gates Foundation and Avahan.

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NOTES

*Corresponding author.