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Table 5 Logistic regression analyses for overweight/obesity by night shifts, for men and women in a representative sample of 8000 Italian workers

From: Gender differences and occupational factors for the risk of obesity in the Italian working population

Night shiftsModel 1 aModel 2 bModel 3 cModel 4 dModel 5 eModel 6 f
OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)
Males
 NeverRefRefRefRefRefRef
 1 to 2 times/wk.1.26(0.86–1.54)1.24(0.85–1.81)1.43(0.97–2.12)1.41(0.94–2.10)1.39(0.93–2.08)1.38(0.92–2.07)
  > 2 times/wk1.08(0.58–2.02)1.04(0.56–1.95)1.05(0.56–1.97)1.04(0.55–1.95)1.03(0.55–1.94)0.99(0.52–1.86)
Females
 NeverRefRefRefRefRefRef
 1 to 2 times/wk.1.45g(1.02–2.07)1.48g(1.03–2.11)1.59g(1.11–2.28)1.50g(1.04–2.16)1.49g(1.03–2.16)1.46g(1.01–2.11)
  > 2 times/wk1.38(0.80–2.40)1.37(0.79–2.39)1.29(0.74–2.26)1.24(0.71–2.17)1.23(0.70–2.17)1.16(0.66–2.04)
  1. aUnadjusted; b adjusted for age; c adjusted for age, education; d adjusted for age, education, exposure to video display terminal (VDT) and
  2. health surveillance; e adjusted for age, education, exposure to VDT and health surveillance, exposure to work-related stress risk; f adjusted for age, education, exposure to VDT and health surveillance, exposure to work-related stress risk, diseases and chronic conditions; g p < 0.05