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. 2024 Jul 19;16(14):2335.
doi: 10.3390/nu16142335.

Health Belief Model Predicts Likelihood of Eating Nutrient-Rich Foods among U.S. Adults

Abigail A Glick  1 , Donna M Winham  1 , Michelle M Heer  1 , Mack C Shelley 2nd  2 , Andrea M Hutchins  3
Affiliations

Health Belief Model Predicts Likelihood of Eating Nutrient-Rich Foods among U.S. Adults

Abigail A Glick et al. Nutrients. .

Abstract

Despite decades of messaging, most Americans still consume excess fats and sugars, but inadequate fiber, potassium, and calcium. Nutrient-rich foods (NRFs) have a high density of favorable nutrients related to calories. Choosing NRFs could lower risk of nutrition-related chronic diseases and aid in their control. We hypothesized that having greater knowledge of NRFs, the presence of a nutrition-related chronic disease or risk factor, and positive Health Belief Model (HBM) views would be predictive of the likelihood of eating NRFs. Through a national online survey panel, 976 adults aged 18-80 completed demographic, health, NRF knowledge, attitudes, and HBM construct questions. Participants were 77% White, 52% women, and 55% had a nutrition-related disease or risk factor. Multivariable HBM scales were generated by theory, principal components, and reliability analysis. NRF knowledge was significantly higher for women, Whites, households without children, and persons without a nutrition-related disease (all p ≤ 0.015). 'Likelihood of eating NRFs' was significantly higher for persons with a nutrition-related disease, Whites, married participants, main food shoppers, and households with children (all p ≤ 0.022). Regressing demographic and HBM constructs on the 'likelihood of eating NRFs' resulted in R2 of 0.435. Nutrition-related disease and HBM constructs of self-efficacy, perceived benefits, and cues to action were predictive of the likelihood of eating NRFs, but higher NRF knowledge was negatively associated.

Keywords: chronic disease; consumer research; health belief model; nutrient density; nutrient rich foods; nutrients; nutrition knowledge; structural equation model; under-consumed nutrients.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Structural Equation Model with Demographic and Health Belief Model Variables.
See this image and copyright information in PMC

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