Comparison of 1-week and 2-week recall periods for caregiver-reported diarrhoeal illness in children using nationally representative household surveys

摘要

BackgroundDiarrhoeal outcomes in children are often ascertained using caregiver-reported symptoms, which are subject to a variety of biases and methodological challenges. One source of bias is the time window used for reporting diarrhoeal illness and the ability of caregivers to accurately recall episodes in children.