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Published on: December 15, 2023
Predicting Circulatory Diseases from Psychosocial Safety Climate: A Prospective Cohort Study from Australia
Harry Becher1, Maureen F Dollard2,3, Peter Smith4,5,6
1Asia Pacific Centre for Work Health and Safety, A WHO Collaborating Centre in Occupational Health, University of South Australia, Magill Campus, St Bernards Road, Magill, Adelaide, SA 5072, Australia. harry.becher@unisa.edu.au.
Insights
Poor psychosocial safety climate at work increases the risk of developing circulatory diseases (CDs). This study found low psychosocial safety climate (PSC) environments linked to a 59% higher likelihood of new CD diagnoses.
Area of Science:
- Occupational Health
- Cardiovascular Research
- Psychosocial Epidemiology
Background:
- Circulatory diseases (CDs) are a leading global cause of mortality.
- Organizational climate, specifically Psychosocial Safety Climate (PSC), has not been previously linked to CDs.
- Understanding workplace factors influencing cardiovascular health is crucial.
Purpose of the Study:
- To investigate the impact of Psychosocial Safety Climate (PSC) on the incidence of circulatory diseases (CDs).
- To determine if PSC is an independent risk factor for CDs, beyond established job design factors.
Main Methods:
- Longitudinal study using two waves of interview data from Australian workers (n=1223).
- Baseline PSC data was used to predict incident CDs at follow-up (average 5-year lag).
- Logistic regression analysis was employed to assess associations, controlling for covariates.
Main Results:
- Participants in low PSC environments had a 59% higher likelihood of developing new CDs compared to those in high PSC environments.
- Baseline PSC significantly predicted lower CD risk at follow-up (OR = 0.98).
- This association remained significant after adjusting for effort-reward imbalance and job strain.
Conclusions:
- Psychosocial Safety Climate (PSC) is an independent risk factor for circulatory diseases (CDs) in Australia.
- Organizational climate and management values concerning psychological health may contribute to the development of CDs.
- Interventions targeting workplace psychosocial safety could mitigate circulatory disease risk.
Abstract:
Circulatory diseases (CDs) (including myocardial infarction, angina, stroke or hypertension) are among the leading causes of death in the world. In this paper, we explore for the first time the impact of a specific aspect of organizational climate, Psychosocial Safety Climate (PSC), on CDs. We used two waves of interview data from Australia, with an average lag of 5 years (excluding baseline CDs, final n = 1223). Logistic regression was conducted to estimate the prospective associations between PSC at baseline on incident CDs at follow-up. It was found that participants in low PSC environments were 59% more likely to develop new CD than those in high PSC environments. Logistic regression showed that PSC at baseline predicts lower CD risk at follow-up (OR = 0.98, 95% CI 0.96-1.00) and this risk remained unchanged even after additional adjustment for known job design risk factors (effort reward imbalance and job strain). These results suggest that PSC is an independent risk factor for CDs in Australia. Beyond job design this study implicates organizational climate and prevailing management values regarding worker psychological health as the genesis of CDs.
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Prediction Intervals
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.

