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

• Published in: Nutrients 2024-07, Vol.16 (14), p.2335
• Main Authors: Glick, Abigail A, Winham, Donna M, Heer, Michelle M, Shelley, 2nd, Mack C, Hutchins, Andrea M
• Format: Article
• Language: English
• Subjects: Adolescent; Adult; Aged; Aged, 80 and over; Blood pressure; Carbohydrates; Cardiovascular disease; chronic disease; Chronic illnesses; Diabetes; Diet; Diet, Healthy - psychology; Dietary fiber; Dietary minerals; Feeding Behavior - psychology; Female; Food; Health Belief Model; Health Knowledge, Attitudes, Practice; Humans; Hypertension; Knowledge; Lettuce; Male; Middle Aged; nutrient density; Nutrients; Nutrition; nutrition knowledge; Nutritive Value; Perceptions; Personal health; Potassium; Proteins; Social networks; Sociodemographics; Sodium; structural equation model; under-consumed nutrients; United States; Vitamins; Young Adult
• ISSN: 2072-6643; 2072-6643
• DOI: 10.3390/nu16142335

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 ≤ 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 ≤ 0.022). Regressing demographic and HBM constructs on the 'likelihood of eating NRFs' resulted in 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.