We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Afternoon Napping and Cognition in Chinese Older Adults: Findings from the China Health and Retirement Longitudinal Study Baseline Assessment.
- Authors
Li, Junxin; Cacchione, Pamela Z.; Hodgson, Nancy; Riegel, Barbara; Keenan, Brendan T.; Scharf, Mathew T.; Richards, Kathy C.; Gooneratne, Nalaka S.
- Abstract
Objectives To examine the cross-sectional associations between self-reported postlunch napping and structured cognitive assessments in Chinese older adults. Design Cross-sectional cohort study. Setting China. Participants Individuals aged 65 and older from the baseline national wave of the China Health and Retirement Longitudinal Study ( CHARLS) (N = 2,974). Measurements Interview-based cognitive assessments of orientation and attention, episodic memory, visuospatial abilities, and a combined global cognition score incorporating these assessments. Other self-reported or interview-based assessments included postlunch napping duration, nighttime sleep duration, demographic characteristics, health habits, comorbidities, functional status and social activities. According to reported napping duration, older adults were categorized as non-nappers (0 minutes), short nappers (<30 minutes), moderate nappers (30-90 minutes), and extended nappers (>90 minutes). Results Postlunch napping was reporting in 57.7% of participants for a mean of 63 minutes. Cognitive function was significantly associated with napping ( P < .001). Between-group comparisons showed that moderate nappers had better overall cognition than nonnappers ( P < .001) or extended nappers ( P = .01). Nonnappers also had significantly poorer cognition than short nappers ( P = .03). In multiple regression analysis, moderate napping was significantly associated with better cognition than non- ( P = .004), short ( P = .04), and extended napping ( P = .002), after controlling for demographic characteristics, body mass index, depression, instrumental activities of daily living, social activities, and nighttime sleep duration. Conclusion A cross-sectional association was found between moderate postlunch napping and better cognition in Chinese older adults. The cross-sectional design and self-reported measures of sleep limited the findings. Longitudinal studies with objective napping measures are needed to further test this hypothesis.
- Subjects
CHINA; NAPS (Sleep) -- Physiological aspects; OLDER people; COGNITION in old age; AFTERNOON; SELF-evaluation; LONGITUDINAL method; CHINESE people; SPATIAL orientation; MENTAL health; SLEEP; GERIATRIC assessment; ATTENTION; CHRONIC diseases; CIRCADIAN rhythms; CONFIDENCE intervals; HEALTH behavior; INTERVIEWING; LIFE skills; NEUROPSYCHOLOGICAL tests; MEMORY; PROBABILITY theory; RESEARCH funding; SCALE analysis (Psychology); SOCIAL participation; TIME; COMORBIDITY; LOGISTIC regression analysis; MULTIPLE regression analysis; PSYCHOSOCIAL factors; SECONDARY analysis; SOCIOECONOMIC factors; BODY mass index; INDEPENDENT living; CROSS-sectional method; RETROSPECTIVE studies; DESCRIPTIVE statistics; ODDS ratio; KRUSKAL-Wallis Test
- Publication
Journal of the American Geriatrics Society, 2017, Vol 65, Issue 2, p373
- ISSN
0002-8614
- Publication type
Article
- DOI
10.1111/jgs.14368