Nutritional status and habitual dietary intake are associated with frail skin conditions in community-dwelling older people

Shinji Iizaka, Satoko Nagata, H. Sanada

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Objective: 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. Design: Cross-sectional study. Setting: Three community settings in Japan from autumn to winter. Participants: Older people aged ≥65 years without care-need certification (n=118). Measurements: 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. Results: 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 α-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. Conclusion: 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.

Original languageEnglish
Pages (from-to)137-146
Number of pages10
JournalJournal of Nutrition, Health and Aging
Volume21
Issue number2
DOIs
Publication statusPublished - 2017 Feb 1

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Independent Living
Nutritional Status
Skin
Vegetables
Fruit
Obesity
Fats
Food
Tocopherols
Certification
Principal Component Analysis
Vitamins
Malnutrition
Cornea
Ascorbic Acid
Linear Models
Ultrasonography
Leg
Japan
Body Mass Index

Keywords

  • Aging
  • dermis
  • frailty
  • nutritional assessment
  • vitamin

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics
  • Geriatrics and Gerontology

Cite this

Nutritional status and habitual dietary intake are associated with frail skin conditions in community-dwelling older people. / Iizaka, Shinji; Nagata, Satoko; Sanada, H.

In: Journal of Nutrition, Health and Aging, Vol. 21, No. 2, 01.02.2017, p. 137-146.

Research output: Contribution to journalArticle

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abstract = "Objective: 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. Design: Cross-sectional study. Setting: Three community settings in Japan from autumn to winter. Participants: Older people aged ≥65 years without care-need certification (n=118). Measurements: 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. Results: 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 α-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. Conclusion: 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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