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Table 4 Multiple linear regression analysis of the years worked at work on BMI among men ( n =272)

From: Years worked at night and body mass index among registered nurses from eighteen public hospitals in Rio de Janeiro, Brazil

Models Beta 95% CI p -value AIC
Model 1 – Unadjusted 0.066 0.015–0.118 0.0128 1479.1
Model 2 – Model 1 + age + years at work 0.066 −0.002–0.134 0.0593 1479.3
Model 3 – Model 2 + BMI at 20 years old 0.076 0.018–0.134 0.0116 1399.8
Model 4 – Model 3 + marital status + per capita income 0.072 0.013–0.131 0.0180 1402.2
Model 5 – Model 4 + weekly hours worked 0.065 0.006–0.124 0.0320 1400.8
Model 6 – Model 5 + smoking, alcohol consumption, physical activity, and usual sleep duration 0.071 0.012–0.129 0.0187 1398.1