Table 5.

Poisson Regression to indicate effective factors on WAI

Variable	Estimation (β)	Exp (β)	SE (β)	P-Value
BMI: Body Mass Index SE: Standard Error
Age (year)	-0.004	0.996	0.0016	0.017
Leisure physical exercise time per week (hour)	0.003	1.003	0.0014	0.019
BMI (Kg/m2)	-0.005	0.995	0.0035	0.167
Marital status (singles versus marrieds)	0.012	1.012	0.0226	0.584
Smoking (non-smokers versus smokers)	0.015	1.015	0.0242	0.530