NDLI: Frailty and survival of older Chinese adults in urban and rural areas: results from the Beijing Longitudinal Study of Aging.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Yu, Pulin Song, Xiaowei Shi, Jing Mitnitski, Arnold Tang, Zhe Fang, Xianghua Rockwood, Kenneth
Spatial Coverage	China
Description	Country affiliation: China Author Affiliation: Yu P ( Beijing Institute of Geriatrics, Beijing Hospital, Ministry of Health, No.1 Dahua Road, Beijing, China.)
Abstract	Differences in frailty between rural and urban older adults have been demonstrated in developed countries. It is not understood how the apparently greater differences in living conditions between different types of regions in China may affect health and outcomes of older Chinese adults. Here, a frailty index (FI) based on the accumulation of health deficits was used to investigate health and survival differences in older Chinese men and women. We studied rural (n=1121) and urban (n=2136) older adults (55-97 years old) in the Beijing Longitudinal Study of Aging (BLSA), of whom 48.9% (rural) and 35.4% (urban) died over 8 years of follow-up. The FI was generated from 35 self-reported health deficits. The mean FI increased exponentially with age (r(2)=0.87) and was higher in women than in men. The death rate increased significantly with increases in the FI, but women showed a lower death rate than did men. The mean FI in urban older adults (0.12±0.10) was lower than that in their rural counterparts (0.14±0.12, p<0.001). Urban dwellers showed better survival compared with their counterparts in the rural areas. Adjusted by age, sex, and education level, the hazard ratio for death for each increment of the FI was 1.28 for urban people and 1.27 for rural people. Chinese urban dwellers showed better health and survival than rural dwelling older adults. The FI readily summarized health and mortality differences among different geographic regions, reflecting the impact of the environment, socioeconomics, and medical services on deficit accumulation and on survival.
File Format	HTM / HTML
ISSN	01674943
Issue Number	1
Volume Number	54
e-ISSN	18726976
Journal	Archives of Gerontology and Geriatrics
Language	English
Publisher	Elsevier
Publisher Date	2012-01-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Geriatrics Frail Elderly Statistics & Numerical Data Activities Of Daily Living Aged Aged, 80 And Over China Female Humans Male Middle Aged Mortality Prospective Studies Rural Population Survival Analysis Urban Population Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Aging Health (social science) Gerontology Geriatrics and Gerontology

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