Field report: panel studies in developing countries: case analysis of sample attrition over the past 16 years within the Birth to Twenty cohort in Johannesburg, South Africa
: Journal of International Development OUTPUT TYPE
: Journal Article PUBLICATION YEAR
: S.A.Norris, L.M.Richter, S.A.FleetwoodKEYWORDS
: BIRTH TO TEN NOW BIRTH TO TWENTY (BT20)
: HSRC Library: shelf number 4963
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The implementation of panel studies in developing countries can prove valuable in driving evidenced-based policies. Case analysis from panel studies in developing countries are therefore useful in offering guidance and insight to deal with the immense challenges of implementing and following-up a panel study in a developing country. The aim of this paper is to describe the follow-up process within Birth to Twenty (Bt20), a birth cohort study in Johannesburg, South Africa, over the past 16 years; and to outline retention strategies and insight within the context of an urban, developing country setting. The main issues considered are: attrition (periodic and absolute), movement of individuals, name changes, cohort management and lessons learned.