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

• Main Authors: Christensen Helen (Author), Korten Ailsa E (Author), Jorm Anthony F (Author), Jacomb Patricia A (Author), Henderson A Scott (Author)
• Format: Book
• Published: BMC, 2002-03-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>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...