Abstract
Background: There is mounting evidence for an association between sedentary behaviour at work and an increase in all-cause death. Objective: The aim of the present study is to compare the mortality risk between a group of workers who performed sedentary jobs and a group of workers who performed physical jobs. Methods: A sample of 2325 subjects aged 65-84 years was randomly selected from the electoral rolls of eight municipalities in the Apulia region of southern Italy. All the participants underwent clinical exams and evaluation of work and lifetime physical activity via an interview. The jobs were divided into physical jobs (farmer, worker, attendant) and sedentary jobs (employee, manager, housewife, unemployed). Mortality data were acquired through the civil status office, and the Framingham risk score and the Fried frailty index were calculated. Results: We found that compared with subjects who performed sedentary jobs, subjects who performed physical jobs had a lower level of education (p = 0.005), a higher level of physical activity in the 30-40-years (p = 0.021) and 40-50-years (p = 0.042) divisions, and a lower mean Framingham score (p = 0.048). The mortality risk was higher for physical job workers than for sedentary job workers (HR = 0.56, 95% CI 0.707 - 0.462). In contrast, after adjusting the result for all covariates, the mortality risk was higher for sedentary job workers than for physical job workers (HR = 1.53, 95% CI 1.021 - 1.056). Conclusion: Our results support public health initiatives and policies to encourage adults to move more and sit less at work and throughout their day.
Highlights
Environmental and occupational risk factors for human health are classified into chemical, carcinogenic, physical and biological types [1 - 20].Among the physical risks, we can distinguish between those related to heavy physical work and those related to sed-It has been suggested that physical inactivity at work is a risk factor and that physically demanding work is a protective factor for morbidity and mortality [24, 25]
We calculated the hazard ratio sedentary/physical jobs (HR = 0.56, 95% CI 0.707 - 0.462) and we found that the mortality risk was lower for sedentary job workers than for physical job workers
The hazard ratio after adjusting the result for all covariates listed in Table 1 (HR = 1.53, 95% CI 1.021 - 1.056) showed that the mortality risk was higher for sedentary job workers than for physical job workers (Table 2)
Summary
Environmental and occupational risk factors for human health are classified into chemical, carcinogenic, physical and biological types [1 - 20].Among the physical risks, we can distinguish between those related to heavy physical work and those related to sed-It has been suggested that physical inactivity at work is a risk factor and that physically demanding work is a protective factor for morbidity and mortality [24, 25]. Environmental and occupational risk factors for human health are classified into chemical, carcinogenic, physical and biological types [1 - 20]. We can distinguish between those related to heavy physical work and those related to sed-. It has been suggested that physical inactivity at work is a risk factor and that physically demanding work is a protective factor for morbidity and mortality [24, 25]. 76 The Open Public Health Journal, 2020, Volume 13 believe that physically demanding work leads to a reduction in mortality and that sedentary work increases mortality risk [26 29]. There is mounting evidence for an association between sedentary behaviour at work and an increase in all-cause death
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