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ABSTRACT: Objective
To examine nutrient and food intakes according to the levels of skeletal muscle mass index (SMI) in the elderly.Design
Cross-sectional study.Setting
Data were derived from the 2017 National Health and Nutrition Survey in Japan. SMI was calculated by dividing appendicular skeletal muscle (or lean) mass (kg) by height squared (m2). We calculated the multivariable-adjusted means of individuals' dietary intake. Dietary intake of energy, nutrients and food categories was assessed by examining dietary records using a semi-weighed method and compared according to the sex-specific quartiles of SMI.Participants
Men and women aged ≥60 years.Results
Among 797 men and 969 women, individuals with a higher SMI consumed more energy and more nutrients than did those with a lower SMI after adjusting for age, lifestyle and physical activity factors. After further adjusting for energy intake, total dietary fibre, vitamin A, vitamin B6, K, Fe and Cu were positively associated with higher SMI in men (Pfor trend < 0·05). For food categories, men with a higher SMI consumed more vegetables and meats, but the associations were attenuated after adjustment for energy and remained significant for vegetable only (Pfor trend = 0·018).Conclusions
Japanese elderly people with a higher SMI consumed more energy and nutrients and more vegetables than did those with a lower SMI. This finding shows that diet is important in preventing muscle loss among the elderly in an ageing society.
SUBMITTER: Okada C
PROVIDER: S-EPMC10200537 | biostudies-literature | 2020 Nov
REPOSITORIES: biostudies-literature
Okada Chika C Okada Emiko E Takimoto Hidemi H
Public health nutrition 20200529 16
<h4>Objective</h4>To examine nutrient and food intakes according to the levels of skeletal muscle mass index (SMI) in the elderly.<h4>Design</h4>Cross-sectional study.<h4>Setting</h4>Data were derived from the 2017 National Health and Nutrition Survey in Japan. SMI was calculated by dividing appendicular skeletal muscle (or lean) mass (kg) by height squared (m2). We calculated the multivariable-adjusted means of individuals' dietary intake. Dietary intake of energy, nutrients and food categories ...[more]