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Effort-reward imbalance at work, over-commitment personality and diet quality in Central and Eastern European populations

Chen, SW; Peasey, A; Stefler, D; Malyutina, S; Pajak, A; Kubinova, R; Chan, JH; ... Pikhart, H; + view all (2016) Effort-reward imbalance at work, over-commitment personality and diet quality in Central and Eastern European populations. British Journal of Nutrition , 115 (7) pp. 1254-1264. 10.1017/S0007114515005516. Green open access

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Abstract

The aims of this study were to investigate the associations between work stress defined by the effort-reward imbalance (ERI) model and diet quality and to examine the potential role of over-commitment (OC) personality in ERI-diet relationships. A cross-sectional study was conducted in random population samples of 6340 men and 5792 women (age 45-69 years) from the Czech Republic, Russia and Poland. Dietary data were collected using FFQ. The healthy diet indicator (HDI) was constructed using eight nutrient/food intakes (HDI components) to reflect the adherence to WHO dietary guideline. The extent of imbalance between effort and reward was measured by the effort:reward (ER) ratio; the effort score was the numerator and the reward score was multiplied by a factor adjusting for unequal number of items in the denominator. Logistic regression and linear regression were used to assess the associations between exposures (ER ratio and OC) and outcomes (HDI components and HDI) after adjustment for confounders and mediators. The results showed that high ER ratio and high OC were significantly associated with unhealthy diet quality. For a 1-sd increase in the ER ratio, HDI was reduced by 0·030 and 0·033 sd in men and women, and for a 1-sd increase in OC, HDI was decreased by 0·036 and 0·032 sd in men and women, respectively. The modifying role of OC in ERI-diet relationships was non-significant. To improve diet quality at workplace, a multiple-level approach combining organisational intervention for work stress and individual intervention for vulnerable personality is recommended.

Type: Article
Title: Effort-reward imbalance at work, over-commitment personality and diet quality in Central and Eastern European populations
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1017/S0007114515005516
Publisher version: http://dx.doi.org/10.1017/S0007114515005516
Language: English
Additional information: Copyright © The Authors 2016. Published by Cambridge University Press. The published version of the article is available on the British Journal of Nutrition website at http://dx.doi.org/10.1017/S0007114515005516
Keywords: Diet: Effort–reward imbalance: Work stress: Over-commitment: Personality
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Epidemiology and Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Epidemiology and Health > Epidemiology and Public Health
URI: https://discovery.ucl.ac.uk/id/eprint/1478785
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