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This paper describes the data collection of a follow-up study of subjects who received nutrition supplementation during their early childhood. At the time of follow-up, the subjects were between 10 and 26 years old. The study subjects; the tests, measurements, and interviews made on them; the organization and logistics of the data collection; the training, supervision, and data flow processes; and the teams responsible for the data collection are all described briefly. Coverage rates are shown by village, study area, migration status, sex, and age cohort. Potential biases due to incomplete coverage are discussed.
Rivera et al. (Tue,) studied this question.