Calvert, Clara; Scott, Rachel; Palmer, Melissa; Dube, Albert; Marston, Milly; Wellings, Kaye; Slaymaker, Emma; (2023) Rates of sexual partner acquisition from nationally representative surveys: variation between countries and by age, sex, wealth, partner and HIV status. Sexual health, 21 (1). NULL-. ISSN 1448-5028 DOI: https://doi.org/10.1071/SH23134
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Abstract
BACKGROUND: Knowing levels and determinants of partnership acquisition will help inform interventions that try to reduce transmission of sexually transmitted infections (STIs) including HIV. METHODS: We used population-based, cross-sectional data from 47 Demographic and Health Surveys to calculate rates of partner acquisition among men and women (15-49years), and identified socio-demographic correlates for partner acquisition. Partner acquisition rates were estimated as the total number of acquisitions divided by the person-time in the period covered by the survey. For each survey and by sex, we estimated age-specific partner acquisition rates and used age-adjusted piecewise exponential survival models to explore whether there was any association between wealth, HIV status and partner status with partner acquisition rates. RESULTS: Across countries, the median partner acquisition rates were 30/100 person-years for men (interquartile range 21-45) and 13/100 person-years for women (interquartile range 6-18). There were substantial variations in partner acquisition rates by age. Associations between wealth and partner acquisition rates varied across countries. People with a cohabiting partner were less likely to acquire a new one, and this effect was stronger for women than men and varied substantially between countries. Women living with HIV had higher partner acquisition rates than HIV-negative women but this association was less apparent for men. At a population level, partner acquisition rates were correlated with HIV incidence. CONCLUSIONS: Partner acquisition rates are variable and are associated with important correlates of STIs and thus could be used to identify groups at high risk of STIs.
Item Type | Article |
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Faculty and Department |
Faculty of Epidemiology and Population Health Faculty of Public Health and Policy > Public Health, Environments and Society Faculty of Epidemiology and Population Health > Dept of Population Health (2012- ) |
PubMed ID | 38105237 |
Elements ID | 212727 |
Official URL | http://dx.doi.org/10.1071/sh23134 |
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