Table 4.

Combined effects of age and daily working hours for overweight or obesity based on BMI and PBF criterion in women

Category	N (%)	Odds ratios (95 % Confidence Intervals)
		BMI		PBF
		Crude	Adjusted*	Crude	Adjusted*
Group1 (Age < 50 and working hours < 9)	263 (37.73)	1	1	1	1
Group2 (Age ≥ 50 and working hours < 9)	292 (41.89)	1.69(1.11–2.56)	1.68(1.04–2.73)	2.66(1.67–3.91)	2.87(1.75–4.69)
Group3 (Age < 50 and working hours ≥ 9)	87 (12.48)	2.39(0.94–6.03)	2.34(0.77–7.11)	2.60(1.32–8.90)	2.73(1.19–12.06)
Group4 (Age ≥ 50 and working hours ≥ 9)	55 (7.89)	3.82(1.31–11.14)	3.56(1.03–12.37)	3.43(1.23–9.54)	3.90(1.05–11.00)

^*Adjusted for confounding factors except for the targeted variable itself. The confounding factors involve age, educational level, smoking, alcohol consumption, working hours, daily occupational sitting time, and sleeping hours (h/day). Working hours and age group were dichotomized at the median