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Working Nights May Pose Special Risk for Abdominal Obesity

October 4, 2017


Those who work night shifts may be at an increased risk for abdominal obesity, researchers reported.

In a meta-analysis, there was a higher frequency of abdominal obesity reported among workers who were scheduled on night shifts versus other types of obesity (odds ratio 1.35, 95% CI 1.13-1.61; P=0.002, I²=67.0%), according to lead author Miaomiao Sun, PhD, of The Chinese University of Hong Kong, and colleagues.

Overall overweight or obesity risk was also tied to night shift work (OR 1.23, 95% CI 1.17-1.29, P=0.001, I²=90.7%), and was especially notable among permanent night shift workers versus rotating night shift workers (OR 1.43, 95% CI 1.19-1.71, I²=70.8% vs. 1.14, 1.05-1.23, I²=67.5%), they wrote in Obesity Reviews.

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