Validation of a Diet Quality Screening Tool for Use in the Oldest Old*. Issue 2 (3rd April 2019)

• Record Type: Journal Article
• Authors: Liu, Yi-Hsuan; Gao, Xiang; Mitchell, Diane C.; Wood, G. Craig; Bailey, Regan K.; Still, Christopher D.; Jensen, Gordon L.
• Is Part Of: Journal of nutrition in gerontology and geriatrics. Volume 38:Issue 2(2019)
• Page Start: 196
• Page End: 204
• Publication Date: 2019-04-03
• Subjects: Diet assessment -- diet quality -- geriatric nutrition -- oldest old; Older people -- Nutrition -- Periodicals; Dietetics -- Periodicals; 613.2084605
• DOI: 10.1080/21551197.2019.1601604
• Languages: English
• ISSNs: 2155-1197

Abstract

Abstract: The oldest old (aged ≥80 years) are often the population subgroup at high nutritional risk due to age-related metabolic changes. We performed a validation analysis of a dietary screening tool (DST) which was developed for older adults among the oldest old. We examined dietary intakes using three 24-hour dietary recalls and the DST among 122 participants (aged 82–97) of the Geisinger Rural Aging Study. DST scores were compared with the Health Eating Index (HEI)-2015 scores, which were calculated based on three-day dietary recalls. Pearson correlations were used to characterize concurrent validity and Bland-Altman plots were used to identify potential bias. DST scores were significantly correlated with HEI scores (adjusted r = 0.68; p < 0.001) in an age- and sex-adjusted model. Those within the not-at-risk DST group had significantly higher HEI scores (adjusted means = 79.6 ± 3.68) compared with those who were in the at-risk (adjusted means = 51.2 ± 1.56) and the possibly-at-risk (adjusted means = 66.3 ± 1.79) groups ( p -trend < 0.001). The DST appears to be a valid measure of diet quality in the oldest old when compared with the HEI and may be a potential tool to assess overall diet quality in this population.