Journal
PUBLIC HEALTH NUTRITION
Volume 15, Issue 7, Pages 1142-1149Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S136898001200136X
Keywords
Food; Mortality; Gender; Health indicators
Funding
- Department of Health (DOH) [DOH098TD-F-113-098029]
- National Health Research Institutes (NHRI), Taiwan
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Objective: To investigate the association between cooking behaviour and long-term survival among elderly Taiwanese. Design: Cohort study. The duration of follow-up was the interval between the date of interview and the date of death or 31 December 2008, when censored for survivors. Information used included demographics, socio-economic status, health behaviours, cooking frequencies, physical function, cognitive function, nutrition knowledge awareness, eating out habits and food and nutrient intakes. These data were linked to death records. Cox proportional-hazards models were used to evaluate cooking frequency on death from 1999 to 2008 with related covariate adjustments. Setting: Elderly Nutrition and Health Survey in Taiwan, 1999-2000. Subjects: Nationally representative free-living elderly people aged >= 65 years (n 1888). Results: During a 10-year follow-up, 695 participants died. Those who cooked most frequently were younger, women, unmarried, less educated, non-drinkers of alcohol, non-smokers, without chewing difficulty, had spouse as dinner companion, normal cognition, who walked or shopped more than twice weekly, who ate less meat and more vegetables. Highly frequent cooking (>5 times/week, compared with never) predicted survival (hazard ratio (HR) = 0.47; 95% CI, 0.36, 0.61); with adjustment for physical function, cognitive function, nutrition knowledge awareness and other covariates, HR was 059(95% CI, 0.41, 0.86). Women benefited more from cooking more frequently than did men, with decreased HR, 51% v. 24%, when most was compared with least. A 2-year delay in the assessment of survivorship led to similar findings. Conclusions: Cooking behaviour favourably predicts survivorship. Highly frequent cooking may favour women more than men.
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