Abstract:
OBJECTIVE:Epidemiologic evidence on the potential effects of dietary acid load on frailty is lacking. This cross-sectional study examined the association between dietary acid load and frailty. METHODS:This study was based on self-reported data obtained from 2176 Japanese women aged 65-94 years. Dietary acid load was characterized as potential renal acid load (PRAL) and net endogenous acid production (NEAP), based on information on nutrient intake, obtained from a validated brief diet history questionnaire. Frailty score (0-5) was defined as the sum of slowness/weakness (two points), exhaustion (one point), low physical activity (one point), and unintentional weight loss (one point). A score of ≥3 was classified as indicating frailty. RESULTS:The prevalence of frailty was 17.9%. After adjustment for potential confounding factors, higher PRAL and NEAP were associated with a higher prevalence of frailty. Adjusted OR (95% CI) for frailty in the highest compared to the lowest quintiles was 1.59 (1.08, 2.34) for PRAL (P for trend = 0.048) and 1.42 (0.98, 2.06) for NEAP (P for trend = 0.03). PRAL and NEAP also showed positive associations with the prevalence of slowness/weakness and low physical activity (all P for trend ≤0.03). PRAL (but not NEAP) was positively associated with the prevalence of exhaustion (P for trend = 0.04). There was no association for unintentional weight loss. CONCLUSIONS:Dietary acid load was positively associated with the prevalence of frailty, particularly slowness/weakness and low physical activity, in elderly Japanese women.
journal_name
Eur J Nutrjournal_title
European journal of nutritionauthors
Kataya Y,Murakami K,Kobayashi S,Suga H,Sasaki S,Three-generation Study of Women on Diets and Health Study Group.doi
10.1007/s00394-017-1449-4subject
Has Abstractpub_date
2018-06-01 00:00:00pages
1639-1650issue
4eissn
1436-6207issn
1436-6215pii
10.1007/s00394-017-1449-4journal_volume
57pub_type
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