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

@article{Jacomb2002PredictorsOR,
  title={Predictors of refusal to participate: a longitudinal health survey of the elderly in Australia},
  author={Patricia A Jacomb and Anthony F Jorm and Ailsa E Korten and Helen Christensen and Alec Henderson},
  journal={BMC Public Health},
  year={2002},
  volume={2},
  pages={4 - 4}
}
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 described here examines reasons for refusal over three waves of a survey of persons aged >or=70 years. METHODS In a longitudinal study involving three waves, participants were compared to those who refused to participate but allowed an informant to be interviewed and to those who refused any participation. RESULTS At Wave 1 both… CONTINUE READING
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