作者: Trudy Harpham , Sharon Huttly , Ian Wilson , Thea De Wet
DOI: 10.1002/JID.988
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摘要: In the developed world importance of evidence-based policy is increasingly recognised. Panel studies – a long-term study design where cross-sectional sample units selected and surveyed at regular intervals are being used to gather information about same people or communities over number years. distinguish between transitory persistent states help explain relationships variables, such as health, age, education. They are, however, complex costly undertake. A growing developing countries now implementing considering starting panel studies. This paper identifies challenges that arise in shows possible ways address them when resources scarce. It discusses how develop conceptual framework which links macro micro contexts; cost-effective methods sampling; track individuals ethics data management analysis. require funding stable institutional environment. Policy-makers must realise its early stages will not yield results. Insights derived only after has been going for several