Table 3.

Multivariate analyses of children’s weight-for-age z-score using pooled CHNS data 1993–2009

	Weight-for-age z-score (Children aged 0–10)
Variables	(1)	(2)	(3)	(4)
Urban residency	0.09**		−0.00	−0.08
Urban hukou		0.15***	0.16***	0.13**
Urban residency × urban hukou				0.11
Health insurance	0.09**	0.09**	0.09**	0.09**
Child age: 0–5	reference	reference	reference	reference
Child age: 6–11	−0.35***	−0.36***	−0.36***	−0.36***
Child age: 12–17	0.00	0.00	0.00	0.00
Girl	−0.15***	−0.14***	−0.14***	−0.14***
Han	−0.02	−0.03	−0.03	−0.03
Student	−0.03	−0.04	−0.04	−0.04
Living with mother	0.06	0.10	0.10	0.11
Living with father	0.23	0.16	0.16	0.16
Living with grandparents	0.11**	0.09**	0.09**	0.09**
Household income: <10,000	reference	reference	reference	reference
Household income: 10,001–20,000	−0.00	0.00	0.00	0.00
Household income: 20,001–30,000	−0.00	−0.00	−0.00	−0.00
Household income: >30,000	0.01	0.01	0.01	0.01
Household head is male	0.05	0.05	0.05	0.05
Household size	−0.03*	−0.03	−0.03	−0.03
Mother’s age	−0.00	0.00	0.00	0.00
Mother’s height	0.03***	0.03***	0.03***	0.03***
Mother’s BMI	0.07***	0.07***	0.07***	0.07***
Mother’s education
< primary school	reference	reference	reference	reference
Primary school	−0.11*	−0.11*	−0.11*	−0.12*
Middle school	0.02	−0.00	−0.00	−0.00
High school	0.05	0.02	0.02	0.02
College	0.36**	0.30*	0.31*	0.30*
Father’s age	0.00	0.00	0.00	0.00
Father’s height	0.03***	0.03***	0.03***	0.03***
Father’s BMI	0.06***	0.06***	0.06***	0.06***
Father’s education
< primary school	reference	reference	reference	reference
Primary school	−0.11	−0.12	−0.12	−0.12
Middle school	−0.09	−0.10	−0.10	−0.10
High school	0.04	0.03	0.03	0.03
College	0.21	0.18	0.18	0.18
N	3575	3525	3525	3525

(i) * p < 0.10, ** p < 0.05, *** p < 0.01; (ii) other covariates include indicators for whether mother or father is missing in the survey, provincial dummies, wave dummies and a constant, which are not reported here