Hao Yu1, Jin-chuan Liu1, Ya-jiao Fan2, Chen Li1, Li-xin Zhang2, Xi Chen1, Song Yue3, Wen-li Lu4, Xi-lin Yang4, Nai-jun Tang5. 1. Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, No. 22, Qixiangtai Road, Heping District, Tianjin, 300070, China. 2. Department of Toxicology, School of Public Health, Tianjin Medical University, No. 22, Qixiangtai Road, Heping District, Tianjin, 300070, China. 3. Medical Center of Police Hospital, No. 78, Nanjing Road, Heping District, Tianjin, 300042, China. 4. Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, No. 22, Qixiangtai Road, Heping District, Tianjin, 300070, China. 5. Department of Occupational and Environmental Health, School of Public Health, Tianjin Medical University, No. 22, Qixiangtai Road, Heping District, Tianjin, 300070, China. tangnaijun@tmu.edu.cn.
Abstract
PURPOSE: To explore the relationship between occupational stressors and the incidence of type 2 diabetes mellitus among police officers. METHODS: Baseline data were collected from policemen who completed the Occupational Stress Inventory-Revised (OSI-R) questionnaire, a self-designed questionnaire, and underwent free clinical measurements at the Medical Center of Police Hospital in Tianjin, China, in April 2007. A total of 5811 policemen participated in follow-up with the dynamic observation of new-onset diabetes (NOD) events occurring annually between 2008 and 2011. Occupational stress was measured by the OSI-R questionnaire, which contains 14 different scales. Cox proportional hazards regression was used to calculate the hazard ratios (HR) of the incidence of type 2 diabetes mellitus (T2DM) by occupational stressors. RESULTS: A total of 3.1% of the participants (n = 179) developed NOD in the follow-up period from 2008 to 2011, and the incidence rates of NOD were 0.58% in 2008, 0.98% in 2009, 0.52% in 2010, and 1.01% in 2011. Role overload (RO), role boundary (RB), physical environment (PE), interpersonal strain (IS), and physical strain (PHS) were associated with the incidence of T2DM (RO: HR = 1.574, 95% CI = 1.071-2.372; RB: HR = 1.645, 95% CI = 1.144-2.365; PE: HR = 2.292, 95% CI = 1.545-3.400; IS: HR = 1.537, 95% CI = 1.079-2.191; and PHS: HR = 1.680, 95% CI = 1.167-2.006) after adjustment for confounding factors. A subgroup Cox regression analysis among traffic control police officers showed the specific work stressors remained robust except RO. CONCLUSIONS: Several aspects of stressors were independent predictors of T2DM in a prospective cohort study in Tianjin, China. This practical information can be applied to the development of psychological interventions against T2DM.
PURPOSE: To explore the relationship between occupational stressors and the incidence of type 2 diabetes mellitus among police officers. METHODS: Baseline data were collected from policemen who completed the Occupational Stress Inventory-Revised (OSI-R) questionnaire, a self-designed questionnaire, and underwent free clinical measurements at the Medical Center of Police Hospital in Tianjin, China, in April 2007. A total of 5811 policemen participated in follow-up with the dynamic observation of new-onset diabetes (NOD) events occurring annually between 2008 and 2011. Occupational stress was measured by the OSI-R questionnaire, which contains 14 different scales. Cox proportional hazards regression was used to calculate the hazard ratios (HR) of the incidence of type 2 diabetes mellitus (T2DM) by occupational stressors. RESULTS: A total of 3.1% of the participants (n = 179) developed NOD in the follow-up period from 2008 to 2011, and the incidence rates of NOD were 0.58% in 2008, 0.98% in 2009, 0.52% in 2010, and 1.01% in 2011. Role overload (RO), role boundary (RB), physical environment (PE), interpersonal strain (IS), and physical strain (PHS) were associated with the incidence of T2DM (RO: HR = 1.574, 95% CI = 1.071-2.372; RB: HR = 1.645, 95% CI = 1.144-2.365; PE: HR = 2.292, 95% CI = 1.545-3.400; IS: HR = 1.537, 95% CI = 1.079-2.191; and PHS: HR = 1.680, 95% CI = 1.167-2.006) after adjustment for confounding factors. A subgroup Cox regression analysis among traffic control police officers showed the specific work stressors remained robust except RO. CONCLUSIONS: Several aspects of stressors were independent predictors of T2DM in a prospective cohort study in Tianjin, China. This practical information can be applied to the development of psychological interventions against T2DM.
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