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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Prev Sci. 2020 May;21(4):467–476. doi: 10.1007/s11121-019-01069-3

Table 1.

Kindergarten Study Population and Primary Study Outcomes

Total
n=5882
Informal
care
n=975
Public
Pre-K
n=2828
Head
Start
n=839
Public
Pre-K &
Head
Start
n=247
Private
Preschoo
1
n=993
ANOVA
χ2
Age (mean, sd) 5.5 (0.3) 5.5 (0.4) 5.5 (0.3) 5.5 (0.3) 5.5 (0.3) 5.5 (0.3) **
% male 50.4 51.7 49.6 52.4 51.8 49.2 ns
% FARM 78.7 81.9 80.4 86.1 87.6 62.3 ***
% Special Education 9.2 8.7 9.7 11.6 14.6 5.0 ***
Race & Ethnicity
 % African American 85.8 82.1 87.3 90.6 94.3 79.1 ***
 % White non-Hispanic 8.8 12.0 7.1 2.9 3.6 16.4
 % Hispanic (any race) 4.2 4.2 4.4 6.1 1.2 2.9
% LEP 3.9 4.2 4.1 5.4 0.4 2.8 **
% Chronically absent (K) 17.6 28.5 15.5 15.7 17.0 14.4 ***
n=5657 n=975 n=2662 n=794 n=236 n=990
% K ready - Composite 57.3 39.0 64.1 51.6 67.0 59.6 ***
n=3987 n=553 n=1981 n=587 n=176 n=690
% Reading at 3rd grade level 72.1 66.9 72.7 70.0 70.5 76.5 **
n=3989 n=552 n=1982 n=587 n=177 n=691 ***
% Math at 3rd grade level 76.8 70.8 73.1 73.1 75.7 81.0
n=4871 n=788 n=2373 n=723 n=207 n=780
% Grade retention (by 3rd) 14.8 26.8 12.4 16.5 11.1 9.2 ***

ANOVA and χ2 test

*

P≤.05

**

P≤.01

***

P≤.001

FARM Free and Reduced Meals, K Kindergarten, LEP Limited English Proficiency