ArticleBritish journal of health psychology2025
Dietary intake of fruits and vegetables, polyunsaturated fats, and fish and positive psychological well-being in older adults: A cross-sectional analysis of the English Longitudinal Study of Ageing (ELSA).
Article in British journal of health psychology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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4 authors.
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Abstract
objectivesResearch has linked diet to negative psychological states, but its influence on positive psychological well-being remains understudied. This study assessed the association between dietary intake of fruits and vegetables (F&V), polyunsaturated fats (PUFAs), and fish on three domains of positive well-being: eudemonic, happiness, and life satisfaction in middle-aged and older adults.
designA cross-sectional analytical sample of 3013 participants from Wave 9 (2018/19) of the English Longitudinal Study of Ageing (ELSA).
methodsMultivariate linear regression assessed the association between diet and positive psychological well-being, adjusted for covariates including total energy intake, age, gender, ethnicity, wealth, education, living alone, social isolation, limiting long-standing illness, and depressive symptoms.
resultsIn minimally adjusted models, F&V and fish intake were positively associated with all three domains of well-being, while PUFAs intake was positively associated with eudemonic well-being and happiness, but not life satisfaction. The positive associations between F&V intake and eudemonic well-being, and between fish intake and happiness, remained significant in all models (β = .043, 95% CI [.037, .212], p = .005; β = .033, 95% CI [.011, .243], p = .032, respectively), whereas others became non-significant after adjusting for certain covariates.
conclusionsDiet may be associated with positive psychological well-being in middle-aged and older adults. Increasing dietary intake of F&V, PUFAs, and fish could support well-being and may be encouraged through public or private initiatives aimed at making healthy diets accessible and affordable. Longitudinal studies are needed to clarify the influence of diet on well-being over time.
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