PP68 Prevalence and Risk Factors of Poor Sleep in a Community-Dwelling Older Population: Findings from the Hertfordshire Cohort Study
H J Denison, K A Jameson, J Baird, E M Dennison, M H Edwards, H P Patel, C Cooper, A Aihie Sayer
J Epidemiol Community Health Sep 2013, 67 (Suppl 1) A75-A76; DOI: 10.1136/jech-2013-203126.162