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. Author manuscript; available in PMC: 2013 Oct 23.
Published in final edited form as: Child Youth Serv Rev. 2011 Oct 14;34(3):576–589. doi: 10.1016/j.childyouth.2011.10.010

Appendix 4b.

Summary of OLS Regressions of Children's Math Achievement(T-Score) on Pre-Kindergarten and Other Types of Child Care, Poverty, and Covariates, Kindergarten Fall

COEFFICIENT OLS OLS OLS
Child Care (ref: Parental Care)
    Pre-Kindergarten 0.26*** (0.03) 0.24*** (0.06) 0.25*** (0.03)
    Preschool 0.21*** (0.02) 0.22*** (0.05) 0.20*** (0.02)
    Head Start -0.06* (0.03) 0.02 (0.04) -0.11** (0.04)
    Others 0.03 (0.03) 0.05 (0.06) 0.02 (0.03)
Poverty, KF -0.19*** (0.02)
Observations 15857 2824 13033
R-squared 0.29 0.19 0.25

Standard errors in parentheses

***

p<0.001

**

p<0.01

*

p<0.05

+ p<0.1