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Effort-reward imbalance at work and 5-year changes in blood pressure: the mediating effect of changes in body mass index among 1400 white-collar workers.
Int Arch Occup Environ Health. 2016 Nov; 89(8):1229-1238.IA

Abstract

PURPOSE

A number of prospective studies have documented the effect of adverse psychosocial work factors (work stress) on high blood pressure (BP). Weight gain could be an important pathway by which work stress exerts its effect on BP. No previous prospective study has examined this mediating effect. The aim of the present study was to examine the mediating effect of body mass index (BMI) in the association between psychosocial work factors from Siegrist's effort-reward imbalance model (ERI) and ambulatory BP (ABP).

METHODS

A prospective study was conducted among 1436 white-collar workers. Data were collected three times during a 5-year period. ERI was measured using validated scales, at each time. BMI was measured by a trained assistant. ABP was measured every 15 min during a working day.

RESULTS

ERI exposure onset over 3 years was indirectly associated with ABP changes (0.49 mmHg; 95 % CI 0.05, 1.22), through BMI changes, in women with baseline BMI ≥25 kg/m2. An effect of similar magnitude and of borderline significance was observed for ERI chronic exposure. No mediating effect was observed among men, and using ERI exposure over 5 years.

CONCLUSION

The mediating effect of BMI was of small magnitude and observed in certain subgroups and time frame only. Subgroup-specific mediating pathways might be involved to explain the effect of work stress on cardiovascular diseases risk.

Authors+Show Affiliations

Axe santé des populations et pratiques optimales en santé, Centre de recherche FRQS du CHU de Quebec, 1050, Chemin Ste-Foy, Quebec City, QC, G1S 4L8, Canada. xavier.trudel@crchudequebec.ulaval.ca.Axe santé des populations et pratiques optimales en santé, Centre de recherche FRQS du CHU de Quebec, 1050, Chemin Ste-Foy, Quebec City, QC, G1S 4L8, Canada. Département de médecine sociale et préventive, Université Laval, Quebec City, QC, Canada.Département de médecine, Université Laval, Quebec City, QC, Canada.Département de médecine sociale et préventive, Université de Montréal, Montreal, QC, Canada.Département de médecine sociale et préventive, Université Laval, Quebec City, QC, Canada.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27437990

Citation

Trudel, Xavier, et al. "Effort-reward Imbalance at Work and 5-year Changes in Blood Pressure: the Mediating Effect of Changes in Body Mass Index Among 1400 White-collar Workers." International Archives of Occupational and Environmental Health, vol. 89, no. 8, 2016, pp. 1229-1238.
Trudel X, Brisson C, Milot A, et al. Effort-reward imbalance at work and 5-year changes in blood pressure: the mediating effect of changes in body mass index among 1400 white-collar workers. Int Arch Occup Environ Health. 2016;89(8):1229-1238.
Trudel, X., Brisson, C., Milot, A., Masse, B., & Vézina, M. (2016). Effort-reward imbalance at work and 5-year changes in blood pressure: the mediating effect of changes in body mass index among 1400 white-collar workers. International Archives of Occupational and Environmental Health, 89(8), 1229-1238.
Trudel X, et al. Effort-reward Imbalance at Work and 5-year Changes in Blood Pressure: the Mediating Effect of Changes in Body Mass Index Among 1400 White-collar Workers. Int Arch Occup Environ Health. 2016;89(8):1229-1238. PubMed PMID: 27437990.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effort-reward imbalance at work and 5-year changes in blood pressure: the mediating effect of changes in body mass index among 1400 white-collar workers. AU - Trudel,Xavier, AU - Brisson,Chantal, AU - Milot,Alain, AU - Masse,Benoit, AU - Vézina,Michel, Y1 - 2016/07/20/ PY - 2016/04/12/received PY - 2016/07/14/accepted PY - 2016/7/21/pubmed PY - 2017/7/19/medline PY - 2016/7/21/entrez KW - Ambulatory blood pressure KW - Body mass index KW - Work stress SP - 1229 EP - 1238 JF - International archives of occupational and environmental health JO - Int Arch Occup Environ Health VL - 89 IS - 8 N2 - PURPOSE: A number of prospective studies have documented the effect of adverse psychosocial work factors (work stress) on high blood pressure (BP). Weight gain could be an important pathway by which work stress exerts its effect on BP. No previous prospective study has examined this mediating effect. The aim of the present study was to examine the mediating effect of body mass index (BMI) in the association between psychosocial work factors from Siegrist's effort-reward imbalance model (ERI) and ambulatory BP (ABP). METHODS: A prospective study was conducted among 1436 white-collar workers. Data were collected three times during a 5-year period. ERI was measured using validated scales, at each time. BMI was measured by a trained assistant. ABP was measured every 15 min during a working day. RESULTS: ERI exposure onset over 3 years was indirectly associated with ABP changes (0.49 mmHg; 95 % CI 0.05, 1.22), through BMI changes, in women with baseline BMI ≥25 kg/m2. An effect of similar magnitude and of borderline significance was observed for ERI chronic exposure. No mediating effect was observed among men, and using ERI exposure over 5 years. CONCLUSION: The mediating effect of BMI was of small magnitude and observed in certain subgroups and time frame only. Subgroup-specific mediating pathways might be involved to explain the effect of work stress on cardiovascular diseases risk. SN - 1432-1246 UR - https://www.unboundmedicine.com/medline/citation/27437990/Effort_reward_imbalance_at_work_and_5_year_changes_in_blood_pressure:_the_mediating_effect_of_changes_in_body_mass_index_among_1400_white_collar_workers_ L2 - https://dx.doi.org/10.1007/s00420-016-1159-x DB - PRIME DP - Unbound Medicine ER -