J Nutr Health Aging. 2018;22(6):645-654 © Serdi and Springer-Verlag International SAS, part of Springer Nature LATENT PROFILES OF MACRONUTRIENT DENSITY AND THEIR ASSOCIATION WITH MOBILITY LIMITATIONS IN AN OBSERVATIONAL LONGITUDINAL STUDY OF OLDER U.S. ADULTS N.J. BISHOP, K.E. ZUNIGA, A.L. LUCHT Corresponding author: Nicholas Joseph Bishop, Texas State University, San Marcos, Texas, USA, (512) 245-7051, firstname.lastname@example.org Abstract: Objectives: Our first objective was to estimate empirically-derived subgroups (latent profiles) of observed carbohydrate, protein, and fat intake density in a nationally representative sample of older U.S. adults. Our second objective was to determine whether membership in these groups was associated with levels of, and short term change in, physical mobility limitations. Design and Setting: Measures of macronutrient density were taken from the 2013 Health Care and Nutrition Study, an off-year supplement to the Health and Retirement Study, which provided indicators of physical mobility limitations and sociodemographic and health-related covariates. Participants: 3,914 community-dwelling adults age 65 years and older. Measurements: Percent of daily calories from carbohydrate, protein, and fat were calculated based on responses to a modified Harvard food frequency questionnaire. Latent profile analysis was used to describe unobserved heterogeneity in measures of carbohydrate, protein, and fat density. Mobility limitation counts were
The Journal of Nutrition, Health & Aging – Springer Journals
Published: Oct 26, 2017
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