Xianchen Liu|Lianqi Liu
Sleep Habits and Insomnia in a Sample of Elderly Persons in China
University of Pittsburgh|University of California, San Diego|Shandong Mental Health Center
examine sleep habits insomnia hypnotic use elderly chinaa crosssectional survey 5 cities shandong mainland china 1997among 1820 individuals aged 65 older sampled 1679 922 interviewed home including 770 men 909 womenasleep demographic questionnaire included pittsburgh sleep quality index used interviewsaverage bedtime participants 918 pm sd 22 hours morning rise time 542 sd 10 hour reported night sleep duration 71 hours sd 16 without age sex differences regular napping common men women 442 vs 280 sample 329 reported frequent insomnia symptoms 89 insomnia symptoms daytime consequences multivariate analysis indicated age 75 years older odds ratio 20 female sex odds ratio 14 unmarried status odds ratio 17 frequent napping odds ratio 15 poor perceived health odds ratio 21 associated elevated risks insomnia hypnotic use past month reported 65 sample women 2 times likely men use hypnoticssleep patterns chinese elderly may characterized going bed early waking early insomnia symptoms common among chinese among western elderly study warranted examine association insomnia aging per se chinese elderly