Predictors of refusal to participate: a longitudinal health survey of the elderly in Australia

Background The loss of participants in longitudinal studies due to non-contact, refusal or death can introduce bias into the results of such studies. The study...研究背景：纵向研究中，研究对象因失访、拒访或死亡而出现流失，会对该类研究的结果引入偏倚。本研究……