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. 2021 May 1;16:48. doi: 10.1186/s13012-021-01119-x

Table 3.

Child level and teacher level characteristics across each treatment condition and total sample

Basic (N = 210) Enhanced (N = 203) Test statistic (t or X2) Study total (N = 413) Program servedb
Child Female, % 62.7 52.9 3.78* 58.1
Age, years M (SD) 4.1 (0.6) 4.1 (0.6) 0.24 4.1 (0.6)
Latino/a, % 40.8 20.8 16.16*** 29.5 22.4%
White, % 11.3 15.6 0.85 12.4 5.4%
Black, % 60.6 75.0 8.21** 69.2 73.1%
Parent no high school degree, % 28.7 13.3 12.92*** 19.9 31.4%
Fall 2018 RRS, M (SD) 25403.9 (9032.6) 24732.6 (9041.3) 0.73 25540.6 (9281.98)
Spring 2019 RRS, M (SD) 29209.1 (10141.55) 28045.5 (9044.17) 1.27 29303.1 (9388.11)
 Teacher N = 36 N = 39 N = 75
Female,a % 100 100 100
Race 2.47
 White, % 22.2 10.5 15.8
 Black, % 69.4 84.2 77.6
 Other, % 8.4 5.2 6.5
Ethnicity .007
 Latina, % 5.6 5.1 5.2
Age, % 5.12
 19–24 years 2.8 17.9 10.3
 25–34 years 25 15.4 19.5
 35–40 years 13.9 10.3 11.7
 41+ years 58.3 56.4 58.4
Education 4.05
 HS/ HS+ some college 27.8 41.0 35.1
 Associate’s 33.3 35.9 35.1
 Bachelor’s degree or more 38.9 23.1 29.9
Teaching experience, % 5.17
 < 1 year 0 12.8 6.5
 1–10 years 33.3 33.3 32.5
 11–20 years 30.6 23.1 26.0
 21+ years 36.1 30.8 35.1