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. 2022 Jul 28;17(7):e0271431.
doi: 10.1371/journal.pone.0271431. eCollection 2022.

High HIV prevalence and associated factors in Lesotho: Results from a population-based survey

Amee Schwitters  1 , Stephen McCracken  2 , Koen Frederix  3 , Reese Tierney  4 , Masebeo Koto  5 , Nahima Ahmed  6 , Kyaw Thin  5 , Trudy Dobbs  6 , Sakhile Sithole  3 , Mosilinyane Letsie  5 , Bharat Parekh  2 , Hetal Patel  2 , Sehin Birhanu  2 , Lubbe Wiesner  7 , Andrea Low  6
Affiliations

High HIV prevalence and associated factors in Lesotho: Results from a population-based survey

Amee Schwitters et al. PLoS One. .

Abstract

Despite extensive global efforts, sub-Saharan Africa remains disproportionately affected by the HIV epidemic. This generalized epidemic can be seen in Lesotho which in 2014 the HIV prevalence rate of those aged 15-49 years was 24.6%, with and incidence of 1.9 new infections per 100-person-year exposures. To better understand the impact of Lesotho's national HIV response and significant predictors associated with HIV infection, the Lesotho Population-based HIV Impact Assessment was conducted. This survey provided a nationally representative sample of individuals aged 15-59 years old in which participants were tested for HIV and given an individual questionnaire that included socio-demographic and behavioral risk questions. The association of factors between survey questions and HIV incident was assessed using logistic regression. Multivariate logistic regression models for men and women were constructed for each outcome using variables known to be or plausibly associated with recent or chronic infection. Overall annualized incidence among people aged 15-49 was 1.19% (95% CI 0.73-1.65) per year. The overall prevalence of HIV was 25.6% with women having significantly higher prevalence. Multiple variables, including decreased wealth status, lower education levels, marital status, condom use at first sex, and circumcision (men only) were identified as being significantly associated with HIV infection for both men and women. In combination with improving the awareness of HIV status, an increased focus is needed on AGYW and men 35-49 years old to prevent new infections. HIV education and prevention programs should focus heavily on younger age groups prior to and soon after sexual debut to prevent HIV transmission. The findings of the survey showed significant room for improvement in increasing awareness of HIV status and reinforcing the need for continued HIV prevention and treatment efforts in Lesotho to prevent new infections.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. HIV incidence and prevalence in adults aged 15–59 years by age and sex in Lesotho, 2016–2017.
A) Adult incidence B) Adult prevalence.
See this image and copyright information in PMC

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