weighted AL in 2009
	Model 1			Model 2
Independent variables in 2006	β	RSE		β	RSE
Age (centered)	0.166	0.008	***	0.158	0.008	***
Age-squared	−0.014	0.004	**	−0.016	0.004	***
Male (ref: female)	0.025	0.019		0.032	0.025
Married (ref: no)	−0.060	0.031	†	−0.062	0.031	*
Education (ref: no)
Elementary school	−0.015	0.031		−0.020	0.031
Middle school	−0.031	0.036		−0.043	0.036
High school or equivalent	−0.042	0.039		−0.058	0.039
College or above	−0.150	0.061	*	−0.178	0.063	**
Occupation (ref: farmer)
Unemployed	0.152	0.026	***	0.115	0.027	***
Unskilled	0.070	0.030	*	0.044	0.029
Skilled/Professional	0.060	0.033	†	0.020	0.033
Household income per capita (ref: poorest)
2nd quartile	−0.032	0.025		−0.031	0.025
3rd quartile	0.020	0.027		0.013	0.027
4th quartile (richest)	0.077	0.030	*	0.069	0.031	*
Urbanization index (z-score)	0.044	0.015	**	0.020	0.017
Urban (ref: rural)	0.048	0.035		0.045	0.036
Smoking (ref: none)
< 1 pack per day				−0.063	0.031	*
>= 1 pack per day				−0.016	0.031
Drinking (ref: none)
Monthly				0.025	0.033
Weekly				0.019	0.027
Daily				0.094	0.033	**
Work-related PA (ref: very light)
Light				−0.022	0.032
Moderate				−0.084	0.035	*
Heavy or very heavy				−0.108	0.035	**
Leisure PA (ref: no)				0.013	0.035
% of daily energy intake from fat				0.002	0.001	*
Region (ref: inland)
Northeast	0.051	0.028	†	0.043	0.029
Coastal	0.010	0.029		0.002	0.029
Mountainous South	−0.043	0.032		−0.043	0.033
Constant	0.753	0.044	***	0.814	0.057	***
σ (random effects)	0.110	0.01	***	0.111	0.011	***
σ (residual)	0.622	0.009	***	0.620	0.009	***

Notes: AL = allostatic load; RSE = robust standard error; PA = physical activity.

^†p<.1

^*p<.05

^**p<.01

^***p<.001