期刊
PUBLIC HEALTH NUTRITION
卷 15, 期 7, 页码 1232-1239出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1368980011003235
关键词
Dietary pattern; Factor analysis; Mortality; CVD
Objective: The purpose was to examine the role of dietary patterns derived from factor analysis and their association with health and disease. Design: Longitudinal population study, with measurement of diet (dietary history method), cardiovascular risk factors and a follow-up of 20 years for CHD incidence and 40 years for mortality. Setting: Two population samples in rural villages in northern and central Italy. Subjects: Men (n 1221) aged 45-64 years were examined and followed up. Results: One of the factors identified with factor analysis, run on seventeen food groups, was converted into a factor score (Factor 2 score) and used as a possible predictor of morbid and fatal events. High values of Factor 2 score were characterized by higher consumption of bread, cereals (pasta), potatoes, vegetables, fish and oil and by lower consumption of milk, sugar, fruit and alcoholic beverages. In multivariate analysis, Factor 2 score (mean 0.0061; SD 1.3750) was inversely and significantly associated (hazard ratio for a 1 SD increase; 95% CI) with 20-year CHD incidence (0.88; 0.73, 0.96) and 40-year mortality from CHD (0.79; 0.66, 0.95), CVD (0.87; 0.78, 0.96), cancer (0.84; 0.74, 0.96) and all causes (0.89; 0.83, 0.96), after adjustment for five other risk factors. Men in quintile 5 of Factor 2 score had a 4.1 years longer life expectancy compared with men in quintile 1. Conclusions: A dietary pattern derived from factor analysis, and resembling the characteristics of the Mediterranean diet, was protective for the occurrence of various morbid and fatal events during 40 years of follow-up.
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