Dietary Diversity and Healthy Aging: A Prospective Study.

Publisher: MDPI Publishing Country of Publication: Switzerland NLM ID: 101521595 Publication Model: Electronic Cited Medium: Internet ISSN: 2072-6643 (Electronic) Linking ISSN: 20726643 NLM ISO Abbreviation: Nutrients Subsets: MEDLINE

Original Publication: Basel, Switzerland : MDPI Publishing

Diet* ; Healthy Aging*; Aged ; Aged, 80 and over ; Aging ; China ; Cognition ; Feeding Behavior ; Female ; Fruit ; Humans ; Male ; Meat ; Middle Aged ; Nutrition Surveys ; Nutritional Status ; Prospective Studies ; Quality of Life ; Self Report ; Stress, Psychological/epidemiology

Population aging is a global phenomenon. The present study determined the effects of dietary diversity score (DDS) and food consumption on healthy aging. A subset of the data of the China Health and Nutrition Survey was utilized in this study. DDSs were calculated using the dietary data collected in the years 2009 and 2011. A healthy aging score (HAS) was calculated by summing the standardized scores on physical functional limitation, comorbidity, cognitive function, and psychological stress based on the data collected in the year 2015, with a lower HAS indicating a healthier aging process. Life quality was self-reported in the year 2015. This study found that DDS was inversely associated with HAS (T3 vs. T1: β -0.16, 95%CI -0.20 to -0.11, p -trend <0.001). The consumption of meat and poultry, aquatic products, and fruits was inversely associated with HAS, and participants in the highest tertile of staple foods consumption had a higher HAS than those in the lowest tertile. HAS was inversely associated with good self-reported life quality and positively associated with bad life quality. In conclusion, food consumption may influence the aging process, and adherence to a diverse diet is associated with a healthier aging process in elderly people.

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R01 HD030880 United States HD NICHD NIH HHS; R01 DK104371 United States DK NIDDK NIH HHS; R01 AG065357 United States AG NIA NIH HHS; R01 HL108427 United States HL NHLBI NIH HHS; D43 TW009077 United States TW FIC NIH HHS

Keywords: cognition; comorbidity; dietary diversity; healthy aging; physical functional limitation; psychological stress

Date Created: 20210602 Date Completed: 20210803 Latest Revision: 20220430

20231215

PMC8225052

10.3390/nu13061787

34073820