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. Author manuscript; available in PMC: 2013 Sep 10.
Published in final edited form as: B E J Econom Anal Policy. 2011 Jul 28;11(1):2938. doi: 10.2202/1935-1682.2938

Table 6.

Regression models of child outcomes at preschool survey

(1) Language z-score (2) Literacy z-score (3) Math z-score (4) Overall behavior problems z-score (5) Conduct behavior problems z-score (6) Inattention behavior problems z-score
State leave law × Worked before birth −0.042 (0.063) [−0.167, 0.083] −0.060 (0.062) [−0.183, 0.063] −0.019 (0.056) [−0.130, 0.093] 0.086 (0.073) [−0.059, 0.231] 0.054 (0.069) [−0.082, 0.191] 0.068 (0.056) [−0.043, 0.179]
Work exemption × Single mother −0.039 (0.067) [−0.173, 0.094] −0.001 (0.058) [−0.116, 0.113] 0.024 (0.064) [−0.102, 0.151] −0.059 (0.077) [−0.212, 0.093] −0.035 (0.065) [−0.164, 0.094] −0.100 (0.077) [−0.253, 0.052]
CCDF spending × No parent with HS 0.011 (0.043) [−0.075, 0.096] 0.024 (0.044) [−0.063, 0.111] 0.055 (0.053) [−0.050, 0.160] −0.071 (0.063) [−0.196, 0.054] −0.064 (0.061) [−0.185, 0.057] −0.052 (0.055) [−0.161, 0.057]
R-squared 0.302 0.249 0.234 0.107 0.092 0.107
Mean [SD] of dep var 0.001 [1.001] 0.002 [1.001] 0.003 [0.999] −0.003 [0.996] −0.003 [0.997] −0.003 [0.999]

Notes. Weighted estimates. Standard errors clustered for complex sampling design in parentheses. 95% confidence intervals in square brackets.

***

p<.01,

**

p<.05,

*

p<.1. All regressions include state dummies, main effects of eligibility criteria (worked before birth, single mother and no parent with a high school diploma), plus the controls listed in the note to Table 2. Sample size is 8400, 8200, 8250, 8900, 8850 and 8850 in columns (1) through (6).

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