Authors
Suzanne E Goldman, Katie L Stone, Sonia Ancoli-Israel, Terri Blackwell, Susan K Ewing, Robert Boudreau, Jane A Cauley, Martica Hall, Karen A Matthews, Anne B Newman
Publication date
2007/10/1
Journal
Sleep
Volume
30
Issue
10
Pages
1317-1324
Publisher
Oxford University Press
Description
Study Objectives
This study examined the association between disturbed sleep and poorer daytime function in older women.
Design
Observational study.
Participants
2,889 women, mean age 83.5 years, participating in the 2002–2004 examination of the Study of Osteoporotic Fractures.
Interventions
N/A
Measurements and Results
Participants wore actigraphs for an average ± SD of 4.1 ± 0.83 24-hour periods. Actigraphy measured sleep variables were total sleep time and hours awake after sleep onset during the night and daytime napping behavior. Neuromuscular performance measurements included gait speed, chair stands, and grip strength. Functional limitations were assessed as self-reported difficulty with one or more of 6 instrumental activities of daily living (IADL). In fully adjusted, multivariable models …
Total citations
Scholar articles
SE Goldman, KL Stone, S Ancoli-Israel, T Blackwell… - Sleep, 2007