Journal
JOURNAL OF NUTRITION HEALTH & AGING
Volume 21, Issue 2, Pages 137-146Publisher
SPRINGER FRANCE
DOI: 10.1007/s12603-016-0736-8
Keywords
Aging; dermis; frailty; nutritional assessment; vitamin
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Funding
- JSPS [25893060]
- Grants-in-Aid for Scientific Research [25893060, 15K20927] Funding Source: KAKEN
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Prevention of frail skin is important in older people because frail skin is associated with a risk of injury in this population. In this study, we investigated the association of nutritional status and habitual dietary intake with skin conditions in community-dwelling older people. Cross-sectional study. Three community settings in Japan from autumn to winter. Older people aged >= 65 years without care-need certification (n=118). Malnutrition and obesity were evaluated to assess the nutritional status. Nutrient and food group intakes per 1000 kcal were evaluated using a brief self-administered diet history questionnaire. Dietary patterns based on food groups were evaluated by principal component analysis. Skin condition parameters, including stratum corneum hydration, appearance of xerosis (specific symptom sum score [SRRC score]), and dermal intensity by high-frequency ultrasonography, were measured on a lower leg. Multiple linear regression analysis was performed with adjustment for confounders. The mean (standard deviation) age was 74.1 (4.8) years, and 83.1% of participants were female. A higher intake of plant fat (p=0.018) was associated with a lower SRRC score. Higher intakes of alpha-tocopherol (p=0.050) and vitamin C (p=0.017) were associated with increased dermal intensity. A body mass index >= 25 (p=0.016) was associated with decreased dermal intensity. A dietary pattern characterized by higher vegetable and fruit intake was associated with a better skin condition. Plant fat, antioxidant vitamins, and a dietary pattern characterized by vegetables and fruits showed positive and obesity showed negative associations for frail skin in community-dwelling older people.
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