Nigel J. Crowther

Participant attrition in a multi-regional population-based study in Africa: insights from the AWI-Gen study

Attrition in longitudinal studies, defined as the loss of participants over time, may threaten the validity of study results. This study examined patterns, magnitude, and risk factors for attrition in the AWI-Gen cohort. The study included 12,032 participants from six African sit...