Latent profile analysis of dietary intake in a community-dwelling sample of older Americans

Nicholas J. Bishop, Krystle E. Zuniga, Christina M. Ramirez

Research output: Contribution to journalArticle

Abstract

Objective:To estimate latent dietary profiles in a community-dwelling sample of older Americans and identify associations between dietary profile membership and individual demographic, socio-economic and health characteristics.Design:Secondary analysis of the 2012 Health and Retirement Study (HRS) and linked 2013 Health Care and Nutrition Study (HCNS). Latent profile analysis identified mutually exclusive subgroups of dietary intake and bivariate analyses examined associations between dietary profile membership, participant characteristics and nutrient intakes.Setting:USA.Participants:An analytic sample of 3558 adults aged 65 years or older.Results:Four dietary profiles were identified with 15·5 % of the sample having a 'Healthy' diet, 42·0 % consuming a 'Western' diet, 29·7 % having a diet consisting of high intake of all food groups and 12·7 % reporting relatively low intake of all food groups. Members of the 'Healthy' profile reported the greatest socio-economic resources and health, and members of the 'Low Intake' profile had the fewest resources and worst health outcomes. Macronutrient and micronutrient intakes varied across profile although inadequate and excessive intakes of selected nutrients were observed for all profiles.Conclusions:We identified dietary patterns among older Americans typified by either selective intake of foods or overall quantity of foods consumed, with those described as 'Low Intake' reporting the fewest socio-economic resources, greatest risk of food insecurity and the worst health outcomes. Limitations including the presence of measurement error in dietary questionnaires are discussed. The causes and consequences of limited dietary intake among older Americans require further study and can be facilitated by the HRS and HCNS.

Original languageEnglish (US)
JournalPublic health nutrition
DOIs
StatePublished - Jan 1 2019

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health
food
profiles
diets
retirement
diet
health care
nutrition
economics
resources
resource
nutrients
nutrient
dwelling
dietary intake
analysis
trace element
subgroups
socioeconomics
causes

Keywords

  • Dietary patterns
  • Geriatrics
  • Health and Retirement Study
  • Vulnerable populations

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health

Cite this

Latent profile analysis of dietary intake in a community-dwelling sample of older Americans. / Bishop, Nicholas J.; Zuniga, Krystle E.; Ramirez, Christina M.

In: Public health nutrition, 01.01.2019.

Research output: Contribution to journalArticle

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abstract = "Objective:To estimate latent dietary profiles in a community-dwelling sample of older Americans and identify associations between dietary profile membership and individual demographic, socio-economic and health characteristics.Design:Secondary analysis of the 2012 Health and Retirement Study (HRS) and linked 2013 Health Care and Nutrition Study (HCNS). Latent profile analysis identified mutually exclusive subgroups of dietary intake and bivariate analyses examined associations between dietary profile membership, participant characteristics and nutrient intakes.Setting:USA.Participants:An analytic sample of 3558 adults aged 65 years or older.Results:Four dietary profiles were identified with 15·5 {\%} of the sample having a 'Healthy' diet, 42·0 {\%} consuming a 'Western' diet, 29·7 {\%} having a diet consisting of high intake of all food groups and 12·7 {\%} reporting relatively low intake of all food groups. Members of the 'Healthy' profile reported the greatest socio-economic resources and health, and members of the 'Low Intake' profile had the fewest resources and worst health outcomes. Macronutrient and micronutrient intakes varied across profile although inadequate and excessive intakes of selected nutrients were observed for all profiles.Conclusions:We identified dietary patterns among older Americans typified by either selective intake of foods or overall quantity of foods consumed, with those described as 'Low Intake' reporting the fewest socio-economic resources, greatest risk of food insecurity and the worst health outcomes. Limitations including the presence of measurement error in dietary questionnaires are discussed. The causes and consequences of limited dietary intake among older Americans require further study and can be facilitated by the HRS and HCNS.",
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