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Longitudinal associations between psychological well-being and the consumption of fruits and vegetables.
Health Psychol 2018; 37(10):959-967HP

Abstract

BACKGROUND

Psychological well-being is associated with longevity and reduced risk of disease, but possible mechanisms are understudied. Health behaviors like eating fruits and vegetables may link psychological well-being with better health; however, most evidence is cross-sectional.

PURPOSE

This study investigated psychological well-being's longitudinal association with fruit and vegetable consumption across as many as 7 years.

METHOD

Participants were 6,565 older adults from the English Longitudinal Study of Ageing, which includes men and women aged 50 years or older. Psychological well-being was assessed with 17 items from the Control, Autonomy, Satisfaction, Pleasure Scale. Fruit and vegetable consumption was initially assessed during 2006-2007 and then approximately every 2 years through 2012-2013. Covariates included sociodemographic factors, health status, and other health behaviors.

RESULTS

Mixed linear models showed that higher baseline levels of psychological well-being were associated with more fruit and vegetable consumption at baseline (β = 0.05, 95% confidence interval [CI] [0.02, 0.08]) and that fruit and vegetable consumption declined across time (β = -0.01, 95% CI [-0.02, -0.004]). Psychological well-being interacted significantly with time such that individuals with higher baseline psychological well-being had slower declines in fruit and vegetable consumption (β = 0.01, 95% CI [0.01, 0.02]). Among individuals who initially met recommendations to consume 5 or more servings of fruits and vegetables (N = 1,719), higher baseline psychological well-being was associated with 11% reduced risk of falling below recommended levels during follow-up (hazard ratio = 0.89, 95% CI [0.83, 0.95]).

CONCLUSIONS

Findings suggest that psychological well-being may be a precursor to healthy behaviors such as eating a diet rich in fruits and vegetables. (PsycINFO Database Record

Authors+Show Affiliations

Department of Psychology, Chapman University.Department of Social and Behavioral Sciences, Harvard T. H. Chan School of Public Health.Department of Social and Behavioral Sciences, Harvard T. H. Chan School of Public Health.Department of Social and Behavioral Sciences, Harvard T. H. Chan School of Public Health.Department of Social and Behavioral Sciences, Harvard T. H. Chan School of Public Health.Department of Social and Behavioral Sciences, Harvard T. H. Chan School of Public Health.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30234355

Citation

Boehm, Julia K., et al. "Longitudinal Associations Between Psychological Well-being and the Consumption of Fruits and Vegetables." Health Psychology : Official Journal of the Division of Health Psychology, American Psychological Association, vol. 37, no. 10, 2018, pp. 959-967.
Boehm JK, Soo J, Zevon ES, et al. Longitudinal associations between psychological well-being and the consumption of fruits and vegetables. Health Psychol. 2018;37(10):959-967.
Boehm, J. K., Soo, J., Zevon, E. S., Chen, Y., Kim, E. S., & Kubzansky, L. D. (2018). Longitudinal associations between psychological well-being and the consumption of fruits and vegetables. Health Psychology : Official Journal of the Division of Health Psychology, American Psychological Association, 37(10), pp. 959-967. doi:10.1037/hea0000643.
Boehm JK, et al. Longitudinal Associations Between Psychological Well-being and the Consumption of Fruits and Vegetables. Health Psychol. 2018;37(10):959-967. PubMed PMID: 30234355.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Longitudinal associations between psychological well-being and the consumption of fruits and vegetables. AU - Boehm,Julia K, AU - Soo,Jackie, AU - Zevon,Emily S, AU - Chen,Ying, AU - Kim,Eric S, AU - Kubzansky,Laura D, PY - 2018/9/21/entrez PY - 2018/9/21/pubmed PY - 2018/10/23/medline SP - 959 EP - 967 JF - Health psychology : official journal of the Division of Health Psychology, American Psychological Association JO - Health Psychol VL - 37 IS - 10 N2 - BACKGROUND: Psychological well-being is associated with longevity and reduced risk of disease, but possible mechanisms are understudied. Health behaviors like eating fruits and vegetables may link psychological well-being with better health; however, most evidence is cross-sectional. PURPOSE: This study investigated psychological well-being's longitudinal association with fruit and vegetable consumption across as many as 7 years. METHOD: Participants were 6,565 older adults from the English Longitudinal Study of Ageing, which includes men and women aged 50 years or older. Psychological well-being was assessed with 17 items from the Control, Autonomy, Satisfaction, Pleasure Scale. Fruit and vegetable consumption was initially assessed during 2006-2007 and then approximately every 2 years through 2012-2013. Covariates included sociodemographic factors, health status, and other health behaviors. RESULTS: Mixed linear models showed that higher baseline levels of psychological well-being were associated with more fruit and vegetable consumption at baseline (β = 0.05, 95% confidence interval [CI] [0.02, 0.08]) and that fruit and vegetable consumption declined across time (β = -0.01, 95% CI [-0.02, -0.004]). Psychological well-being interacted significantly with time such that individuals with higher baseline psychological well-being had slower declines in fruit and vegetable consumption (β = 0.01, 95% CI [0.01, 0.02]). Among individuals who initially met recommendations to consume 5 or more servings of fruits and vegetables (N = 1,719), higher baseline psychological well-being was associated with 11% reduced risk of falling below recommended levels during follow-up (hazard ratio = 0.89, 95% CI [0.83, 0.95]). CONCLUSIONS: Findings suggest that psychological well-being may be a precursor to healthy behaviors such as eating a diet rich in fruits and vegetables. (PsycINFO Database Record SN - 1930-7810 UR - https://www.unboundmedicine.com/medline/citation/30234355/Longitudinal_associations_between_psychological_well_being_and_the_consumption_of_fruits_and_vegetables_ L2 - http://content.apa.org/journals/hea/37/10/959 DB - PRIME DP - Unbound Medicine ER -