Mostafa Shokoohi1, Greta R Bauer1, Angela Kaida2, Carmen H Logie3,4, Ashley Lacombe-Duncan5, M-J Milloy6,7, Elisa Lloyd-Smith8, Allison Carter2,9, Mona Loutfy4,10,11. 1. Epidemiology and Biostatistics, Schulich School of Medicine & Dentistry, The University of Western Ontario, London, ON, Canada. 2. Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada. 3. Factor-Inwentash Faculty of Social Work, University of Toronto, Toronto, Ontario, Canada. 4. Women's College Research Institute, Women's College Hospital, Toronto, Ontario, Canada. 5. School of Social Work, University of Michigan, Ann Arbor, Michigan, USA. 6. British Columbia Centre on Substance Use, St. Paul's Hospital, Vancouver, BC, Canada. 7. Department of Medicine, University of British Columbia, Vancouver, BC, Canada. 8. Vancouver Coastal Health, Vancouver, British Columbia, Canada. 9. Epidemiology and Population Health Program, British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada. 10. Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada. 11. Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada.
Abstract
BACKGROUND AND AIMS: Identifying typologies of social determinants of health (SDoH) vulnerability influencing drug use practices among women living with HIV (WLWH) can help to address associated harms. This research aimed to explore the association of SDoH clusters with drug use among WLWH. DESIGN: Latent class analysis (LCA) was used to identify the distinct clusters of SDoH. Inverse probability weighting (IPW) was employed to account for confounding and potential selection bias. Associations were analyzed using generalized linear model with log link and Poisson distribution, and then weighted risk ratio (RR) and 95% confidence intervals (CI) were reported. SETTING AND PARTICIPANTS: Data from 1422 WLWH recruited at time-point 1 of the Canadian HIV Women's Sexual and Reproductive Health Cohort Study (CHIWOS, 2013-15), with 1252 participants at 18 months follow-up (time-point 2). MEASUREMENTS: Drug use was defined as use of illicit/non-prescribed opioids/stimulants in the past 6 months. SDoH indicators included: race discrimination, gender discrimination, HIV stigma, social support, access to care, food security, income level, employment status, education, housing status and histories of recent sex work and incarceration. FINDINGS: LCA identified four SDoH classes: no/least SDoH adversities (6.6%), discrimination/stigma (17.7%), economic hardship (30.8%) and most SDoH adversities (45.0%). Drug use was reported by 17.5% and 17.2% at time-points 1 and 2, respectively. WLWH with no/least SDoH adversities were less likely to report drug use than those in economic hardship class (weighted RR = 0.13; 95% CIs = 0.03, 0.63), discrimination/stigma class (weighted RR = 0.15; 95% CIs = 0.03, 0.78), and most SDoH adversities class (weighted RR = 0.13; 95% CIs = 0.03, 0.58). CONCLUSIONS: Social determinants of health vulnerabilities are associated with greater likelihood of drug use, underscoring the significance of addressing interlinked social determinants and drug use through the course of HIV care and treatment.
BACKGROUND AND AIMS: Identifying typologies of social determinants of health (SDoH) vulnerability influencing drug use practices among women living with HIV (WLWH) can help to address associated harms. This research aimed to explore the association of SDoH clusters with drug use among WLWH. DESIGN: Latent class analysis (LCA) was used to identify the distinct clusters of SDoH. Inverse probability weighting (IPW) was employed to account for confounding and potential selection bias. Associations were analyzed using generalized linear model with log link and Poisson distribution, and then weighted risk ratio (RR) and 95% confidence intervals (CI) were reported. SETTING AND PARTICIPANTS: Data from 1422 WLWH recruited at time-point 1 of the Canadian HIVWomen's Sexual and Reproductive Health Cohort Study (CHIWOS, 2013-15), with 1252 participants at 18 months follow-up (time-point 2). MEASUREMENTS: Drug use was defined as use of illicit/non-prescribed opioids/stimulants in the past 6 months. SDoH indicators included: race discrimination, gender discrimination, HIV stigma, social support, access to care, food security, income level, employment status, education, housing status and histories of recent sex work and incarceration. FINDINGS: LCA identified four SDoH classes: no/least SDoH adversities (6.6%), discrimination/stigma (17.7%), economic hardship (30.8%) and most SDoH adversities (45.0%). Drug use was reported by 17.5% and 17.2% at time-points 1 and 2, respectively. WLWH with no/least SDoH adversities were less likely to report drug use than those in economic hardship class (weighted RR = 0.13; 95% CIs = 0.03, 0.63), discrimination/stigma class (weighted RR = 0.15; 95% CIs = 0.03, 0.78), and most SDoH adversities class (weighted RR = 0.13; 95% CIs = 0.03, 0.58). CONCLUSIONS: Social determinants of health vulnerabilities are associated with greater likelihood of drug use, underscoring the significance of addressing interlinked social determinants and drug use through the course of HIV care and treatment.
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