HIV Prevalence – Harvard Center for Population and Development Studies

HIV prevention initiatives needed targeting those 40 years & older in rural South Africa

September 30, 2016

A study published in JAIDS (Journal of Acquired Immune Deficiency Syndromes) by a team of HAALSI (Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community in South Africa) researchers examines whether older adults in rural South…

How can you statistically correct for missing data and selection bias in HIV prevalence estimates?

February 11, 2015

Missing data is a common problem in HIV research due to non-participation in testing, and selection bias can occur if non-participation in testing is associated with HIV status. For example, longitudinal data suggests that individuals who know or suspect…