Participant non-response in an HIV serosurvey can affect estimates of HIV prevalence. Nonresponse can arise from a participant’s refusal to provide a blood sample or the failure to trace a sampled individual. In a serosurvey conducted by the African Population and Health Research Center and Kenya Medical Research Centre in the slums of Nairobi, 43% of sampled individuals did not provide a blood sample. This paper describes selective participation in the serosurvey and estimates bias in HIV prevalence figures.
The electronic version of this article is the complete one and can be found online at: http://www.pophealthmetrics.com/content/8/1/22
Authors: Abdhalah K Ziraba, Nyovani J Madise, Mwau Matilu, Eliya Zulu, John Kebaso, Samoel Khamadi, Vincent Okoth and Alex C Ezeh