OBJECTIVES: To investigate the extent improvement or deterioration in employee job security, control or workload is associated with a change in mental health. DESIGN: Self-report panel data (2000, 2004) on mental health (symptoms of depression and generalised anxiety) and job demands, control and insecurity. Changes in exposures and outcomes were calculated by subtracting wave 1 from wave 2 scores. Changes in mental health were regressed onto changes in work conditions, adjusting for confounders. Sensitivity analyses assessed reverse causation, floor and ceiling effects. SETTING: Two adjoining cities in south-east Australia. PARTICIPANTS: 1975 employees aged 40-48 years, 50% (n=995) male. RESULTS: Improvements and deterioration in each work condition were associated with corresponding improvements or deterioration in mental health. The association between changes in job insecurity and symptoms of depression was B=0.386 (95% CI 0.245 to 0.527) and with anxiety symptoms was B=0.434 (95% CI 0.267 to 0.601). Similarly, changes in job control were associated with changes in depressive (B=-0.548; 95% CI -0.791 to -0.304) and anxiety symptoms (B=-0.608; 95% CI -0.896 to -0.319) as were changes in job demands (B depression=0.386; 95% CI 0.245 to 0.527; B anxiety=0.434; 95% CI 0.267 to 0.601). Excluding people with severe symptoms at baseline did not alter the findings; however, path analyses indicated that depression may precede a worsening of work conditions. CONCLUSION: Among mid-aged employees, deteriorating work conditions may amplify population health burdens, especially anxiety. Furthermore, better quality jobs, combining an array of positive conditions, could alleviate major population health burdens.
OBJECTIVES: To investigate the extent improvement or deterioration in employee job security, control or workload is associated with a change in mental health. DESIGN: Self-report panel data (2000, 2004) on mental health (symptoms of depression and generalised anxiety) and job demands, control and insecurity. Changes in exposures and outcomes were calculated by subtracting wave 1 from wave 2 scores. Changes in mental health were regressed onto changes in work conditions, adjusting for confounders. Sensitivity analyses assessed reverse causation, floor and ceiling effects. SETTING: Two adjoining cities in south-east Australia. PARTICIPANTS: 1975 employees aged 40-48 years, 50% (n=995) male. RESULTS: Improvements and deterioration in each work condition were associated with corresponding improvements or deterioration in mental health. The association between changes in job insecurity and symptoms of depression was B=0.386 (95% CI 0.245 to 0.527) and with anxiety symptoms was B=0.434 (95% CI 0.267 to 0.601). Similarly, changes in job control were associated with changes in depressive (B=-0.548; 95% CI -0.791 to -0.304) and anxiety symptoms (B=-0.608; 95% CI -0.896 to -0.319) as were changes in job demands (B depression=0.386; 95% CI 0.245 to 0.527; B anxiety=0.434; 95% CI 0.267 to 0.601). Excluding people with severe symptoms at baseline did not alter the findings; however, path analyses indicated that depression may precede a worsening of work conditions. CONCLUSION: Among mid-aged employees, deteriorating work conditions may amplify population health burdens, especially anxiety. Furthermore, better quality jobs, combining an array of positive conditions, could alleviate major population health burdens.
Authors: Toni Alterman; Susan Gabbard; Joseph G Grzywacz; Rui Shen; Jia Li; Jorge Nakamoto; Daniel J Carroll; Carles Muntaner Journal: J Immigr Minor Health Date: 2015-10
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