Less healthy, but more active: Opposing selection biases when recruiting older people to a physical activity study through primary care

• Prif Awduron: Carey Iain M (Awdur), Victor Christina R (Awdur), Harris Tess J (Awdur), Adams Rika (Awdur), Cook Derek G (Awdur)
• Fformat: Llyfr
• Cyhoeddwyd: BMC, 2008-05-01T00:00:00Z.
• Pynciau: article
• Mynediad Ar-lein: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>Physical activity studies in older people experience poor recruitment. We wished to assess the influence of activity levels and health status on recruitment to a physical activity study in older people.</p> <p>Methods<...