Journal
NUTRITION RESEARCH REVIEWS
Volume 34, Issue 1, Pages 107-116Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0954422420000189
Keywords
Malnutrition; Diet quality; Older adults; Low socio-economic status; Poverty
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The literature review on older adults with low SES revealed that the prevalence of undernutrition was around 28.9% to 48% globally, while overnutrition ranged from 8.1% to 28.2%. In Asia, the prevalence of undernourished older adults varied from 3% to 64.9%, and overnourished individuals were between 2.5% and 32.8%. Risk factors for poor diet quality included financial hardship, functional limitations, sex, place of residence, smoking, and oral health. The studies showed that there is no established gold standard nutritional screening tool, and various factors contribute to the prevalence of poor nutrition in this population.
Low socio-economic status (SES) is often associated with various health-related problems. Therefore, the present paper aims to review the available literature to identify the prevalence of malnutrition, prevalence of poor diet quality and its associated risk factors among older adults with low SES. A literature search was performed using four databases, namely PubMed, Google Scholar, Springer and Science Direct. The search terms used were 'diet quality', 'nutritional status', 'dietary intake', 'overweight', 'obesity', 'underweight', 'older people' and 'low socioeconomic status (SES)'. The overall prevalence of undernutrition among older adults with low SES worldwide was in the range of 28 center dot 9 to 48 %, while overnutrition was reported to be between 8 center dot 1 to 28 center dot 2 %. In Asia, the prevalence of undernourished older adults ranged from 3 to 64 center dot 9 %, while 2 center dot 5 to 32 center dot 8 % were overnourished. Most of the studies (60 %) included in the present review used BMI as the tool to identify malnutrition, but none of the nutritional screening tools were considered to be the 'gold standard'. For dietary assessment, FFQ and multiple 24 h dietary recall improved the estimation of individual dietary intake. Risk factors for poor diet quality included financial hardship, functional limitation, sex, place of residence, smoking and oral health. Poor nutritional status, especially lack of good-quality diet, and thinness are prevalent among older adults with low SES. Hence, it is important to establish nutrition-related programmes and intervention studies among this group of individuals for improving their health status and quality of life.
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