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. Author manuscript; available in PMC: 2014 Jul 21.
Published in final edited form as: Econ Hum Biol. 2012 May 4;11(3):294–309. doi: 10.1016/j.ehb.2012.04.010

Table 4.

Multivariate analyses of the trend of child health status from 1989 to 2006.

Child health and nutritional status
Height-for-age Z score Weight-for-age Z score Stunted Underweight
Coef. Coef. Odds ratio Odds ratio
Panel 1: Multivariate analyses with interaction terms between URBAN dummy and time periods’ dummies
Urban 0.33*** (0.05) 0.15*** (0.04) 0.60*** (0.08) 0.55*** (0.13)
Urban × Waves 1997–2000 −0.01 (0.06) 0.06 (0.06) 0.88 (0.15) 1.06 (0.47)
Urban × Waves 2004–2006 −0.17** (0.08) 0.10 (0.08) 1.44* (0.31) 1.76 (0.78)
Waves 1989–1993 Reference
Waves 1997–2000 0.20*** (0.03) 0.13*** (0.03) 0.75*** (0.05) 0.61*** (0.10)
Waves 2004–2006 0.34*** (0.04) 0.38*** (0.04) 0.69*** (0.07) 0.84 (0.16)
Observations 13,011 13,011 13,011 12,790
(Pseudo) R2  0.25  0.22  0.14  0.16
Child health and nutritional status
Height-for-age Z score Weight-for-age Z score Stunted Underweight
Coef. of urban Coef. of urban Odds ratio of urban Odds ratio of urban
Panel 2: Multivariate analyses separately for three periods
Waves
 1989–1993 0.35*** (0.05) 0.19*** (0.04) 0.59*** (0.08) 0.54** (0.13)
 1997–2000 0.26*** (0.06) 0.18*** (0.05) 0.63*** (0.11) 0.73 (0.35)
 2004–2006 0.09 (0.08) 0.13* (0.08) 0.84 (0.17) 1.16 (0.50)

Notes: (i) Cluster-robust standard errors are reported in parenthesis. (ii) Each cell in Panel 2 represents a cross-sectional regression, and we only report the coefficients of URBAN dummy here. (iii) Other control variables include child’s characteristics as age, gender, nationality, and student status; household characteristics as household income, gender of household head, and household size; mother’s characteristics if present in the survey, such as mother’s age, height, BMI, education, employment status, smoking and drinking behavior, and an indicator for the presence of mother in the survey; father’s characteristics if present in the survey, such as father’s age, height, BMI, education, employment status, smoking and drinking behavior, and an indicator for the presence of father in the survey; indicators of provinces; and a constant (for continuous dependent variables), which are not reported here.

*

p < 0.10.

**

p < 0.05.

***

p < 0.01.