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Dietary Patterns and Risk of Frailty in Chinese Community-Dwelling Older People in Hong Kong: A Prospective Cohort Study

by Ruth Chan 1,*, Jason Leung 2,† and Jean Woo 1,†
1
Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Shatin, Hong Kong, China
2
Jockey Club Centre for Osteoporosis Care and Control, The Chinese University of Hong Kong, Shatin, Hong Kong, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Nutrients 2015, 7(8), 7070-7084; https://doi.org/10.3390/nu7085326
Received: 23 July 2015 / Revised: 12 August 2015 / Accepted: 17 August 2015 / Published: 24 August 2015
(This article belongs to the Special Issue Nutrition for Older People)
Dietary pattern analysis is an emerging approach to investigate the association between diet and frailty. This study examined the association of dietary patterns with frailty in 2724 Chinese community-dwelling men and women aged > 65 years. Baseline dietary data were collected using a food frequency questionnaire between 2001 and 2003. Adherence to a priori dietary patterns, including the Diet Quality Index-International (DQI-I) and the Mediterranean Diet Score (MDS) was assessed. Factor analysis identified three a posteriori dietary patterns, namely “vegetables-fruits”, “snacks-drinks-milk products”, and “meat-fish”. Incident frailty was defined using the FRAIL scale. Binary logistic regression was applied to examine the associations between dietary patterns and four-year incident frailty. There were 31 (1.1%) incident frailty cases at four years. Every 10-unit increase in DQI-I was associated with 41% reduced risk of frailty in the sex- and age-adjusted model (odds ratio (OR) (95% confidence interval (CI)): 0.59 (0.42–0.85), p = 0.004). The association attenuated in the multivariate adjusted model (0.69 (0.47–1.02), p = 0.056). No association between other dietary patterns and incident frailty was observed. Our study showed that a better diet quality as characterized by higher DQI-I was associated with lower odds of developing frailty. The contribution of MDS or a posteriori dietary patterns to the development of frailty in Chinese older people remains to be explored. View Full-Text
Keywords: dietary pattern; frailty; Chinese dietary pattern; frailty; Chinese
MDPI and ACS Style

Chan, R.; Leung, J.; Woo, J. Dietary Patterns and Risk of Frailty in Chinese Community-Dwelling Older People in Hong Kong: A Prospective Cohort Study. Nutrients 2015, 7, 7070-7084.

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