Table 4.

Adjusted association between the dietary knowledge score and dietary guideline awareness.

Variables	Dietary Knowledge Score			Dietary Guideline Awareness
	Estimate	Std. Err.	p	Estimate	Std. Err.	p
Age (years)	−0.007	0.003	0.015	0.000	0.002	0.950
Gender
Men (ref)
Women	0.149	0.068	0.028	0.252	0.048	<0.001
Income
Poorest (ref)
Poorer	0.065	0.103	0.524	0.082	0.088	0.351
Middle	0.515	0.106	<0.001	0.379	0.085	<0.001
Richer	0.805	0.110	<0.001	0.463	0.085	<0.001
Richest	0.768	0.118	<0.001	0.798	0.088	<0.001
Education
Illiterate (ref)
Elementary	0.841	0.141	<0.001	1.059	0.181	<0.001
Middle school	1.342	0.146	<0.001	1.641	0.179	<0.001
High school	1.479	0.156	<0.001	2.340	0.181	<0.001
University	1.871	0.183	<0.001	2.821	0.191	<0.001
Marital status
Unmarried (ref)
Married	0.521	0.156	0.001	0.392	0.107	<0.001
Others	0.359	0.202	0.076	0.258	0.147	0.079
Basic medical insurance
No (ref)
Yes	1.207	0.200	<0.001	0.292	0.143	0.041
Working status
No (ref)
Yes	0.191	0.075	0.011	0.111	0.055	0.041
Birthplace
North China (ref)
Northeast	−0.602	0.147	<0.001	−0.380	0.093	<0.001
East China	−0.420	0.132	0.001	−0.187	0.081	0.021
Central China	−0.915	0.422	0.030	0.026	0.275	0.926
South China	0.306	0.461	0.506	0.136	0.301	0.652
Western China	−0.481	0.453	0.288	−0.206	0.293	0.482
Urbanization index	0.015	0.002	<0.001	0.010	0.002	<0.001
Residential areas
Urban (ref)
Rural	−0.353	0.074	<0.001	−0.370	0.051	<0.001
Geographic region
Eastern China(ref)
Central China	−0.804	0.410	0.050	−0.852	0.269	0.002
Western China	−1.648	0.443	<0.001	−0.667	0.287	0.020

Note: Std. Err., Standard error.