A recent study has uncovered another possible risk factor for the development of type 2 diabetes: working long hours in low-paying jobs. In a study published this week in the Lancet Diabetes & Endocrinology, researchers found that people who work more than 55 hours per week performing manual work or other low socioeconomic status jobs face a 30 percent greater risk of developing type 2 diabetes when compared to those working between 35 and 40 hours per week. The association remained even after researchers accounted for risk factors such as smoking, physical activity levels, age, sex and obesity as well as after they excluded shift work, which has already been shown to increase type 2 diabetes risk. The study is the largest so far to examine the link between long working hours and type 2 diabetes. To conduct the study, researchers examined data from 23 studies involving more than 222,000 men and women in the U.S., Europe, Japan and Australia who were followed for an average of more than seven years. While on the surface, researchers found a similar type 2 diabetes risk among those who worked more than 55 hours per week and those working a more standard 35-40 hour week, more in-depth analysis revealed that workers in low socioeconomic jobs did, indeed, face a significantly higher risk. In other words, the association between long work hours and higher type 2 diabetes risk was only apparent among low-income groups. In a related commentary published in the same journal... |
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