ArticleKorean journal of community nutrition2025
Nutrition Quotient and nutrient intake among older adults in a rural Korean community: a cross-sectional study.
Article in Korean journal of community nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesKorea is experiencing rapid population aging, with older adults forming a large proportion of rural communities. Aging leads to physiological and functional declines, resulting in lower physical activity, poor diet quality, and higher risk of chronic diseases. Although the Nutrition Quotient for the Elderly (NQ-E) is a validated tool to assess dietary quality, few studies have applied it to rural populations. This study aimed to compare nutrient intake and NQ-E scores by age and sex and examine their associations with lifestyle factors.
methodsThis study investigated the relationship between nutrient intake and NQ-E scores among older adults in rural Korean community, considering age, sex, and lifestyle factors. A cross-sectional study was conducted with 79 community-dwelling older adults (24 male and 55 female; mean age: 76.3 years) residing in Geochang-gun, Gyeongsangnam-do, Korea. Participants were recruited from community centers and health posts between June 2024 and December 2024. Data collection included general characteristics, 24-hour dietary recalls, and NQ-E questionnaires.
resultsFemale aged > 75 years had significantly lower intakes of energy, protein, fat, vitamin E, riboflavin, folate, and zinc than their male counterparts (P < 0.05). The mean NQ-E score was 55.01, which was lower than the national average reported for urban older adults (57.6). Participants with higher NQ-E grades had significantly higher intakes of dietary fiber, vitamin A, thiamine, riboflavin, niacin, potassium, and magnesium, and regular physical activity and dietary supplement use were positively associated with higher NQ-E grades (P < 0.01).
conclusionThese findings suggest that older female in rural communities are particularly vulnerable to inadequate nutrient intake and lower dietary quality, and that the NQ-E is a useful screening tool for identifying nutritional risk in this population. Community-based nutrition interventions promoting physical activity, supplement use, and dietary diversity are warranted to improve dietary quality and support healthy aging.
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