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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Child Dev. 2013 Mar 5;84(5):1806–1822. doi: 10.1111/cdev.12073

Table 1.

Description of Study Variables

Total
M(SD)/%
Subsidy
recipients
M(SD)/%
Eligible non-
recipients
M(SD)/%
N 1,400 400 1,000
Covariates (drawn from 9-month or 2-year wave)
  Maternal race
    White 39.0 45.4* 36.7
    Black 25.7 25.3 25.8
    Hispanic 28.9 24.1 30.6
    Asian/other 6.5 5.2 6.9
Maternal education
    < HS education 24.2 17.9* 26.4
    HS diploma / GED 43.8 40.1 45.2
    Some college 27.5 34.1* 25.1
    BA or higher 4.5 7.9* 3.3
  Mother is single 35.6 40.4 33.9
  Mother is proficient in English 86.2 91.1* 84.3
  Mother < age 20 at focal child’s birth 20.0 15.2* 21.7
  Number of children in HH, ≤ age 6 0.7 (0.8) 0.6 (0.7) 0.7 (0.8)
  Number of children in HH, ≥ age 7 0.6 (0.9) 0.5 (0.8) 0.6 (1.0)
  Family lives in an urban area 68.8 70.8 68.1
  Maternal employment
    Mother works full-time 37.6 44.2* 35.2
    Mother works part-time 17.2 18.9 16.6
    Mother is in school/job training/looking for work 19.8 16.9 20.8
    Mother not in labor force 25.4 20.0 27.4
  Child has a diagnosed disability 11.2 13.5 10.3
  Child is male 53.8 53.7 53.9
  Child received non-parental care at age 2 53.7 60.3 51.3
  Child received a subsidy at age 2 18.1 24.7** 15.7
Potential mediators (drawn from preschool wave)
  Family experienced food insecurity 25.9 21.5 27.5
  Child care setting
    Head Start 26.8 0.0 36.6
    Public pre-k 12.5 0.0 17.1
    Community-based center 31.0 70.3 16.7
    Home-based care 29.7 29.8 29.6
  Child care quality 4.2 (1.2) 3.8* (1.2) 4.3 (1.2)
  Family experienced food insecurity 41.2 37.4 42.6
  Cognitive stimulation in the home 12.7 (3.2) 12.8 (3.0) 12.6 (3.3)
  Months in care with current provider 12.2 (13.9) 15.1 (14.6) 11.0 (13.4)
  $ amount parent pays for care 99 (185) 124 (233) 91 (165)
Child’s earlier skills (drawn from 2-year wave)
  Cognition 125.0 (10.3) 125.0 (10.5) 125.0 (10.2)
  Adaptive behavior 3.4 (0.8) 3.3 (0.8) 3.4 (0.9)
School readiness indicators (drawn from kindergarten wave)
  Reading 39.5 (13.5) 40.9 (14.4) 39.0 (13.1)
  Math 40.3 (9.6) 40.5 (9.7) 40.3 (9.6)
  Teacher-reported externalizing behavior 2.1 (0.9) 2.2 (0.9) 2.1 (0.9)
  Teacher-reported prosocial behavior 3.7 (0.7) 3.8 (0.7) 3.7 (0.7)
  Teacher-reported approaches to learning 3.6 (0.8) 3.6 (0.8) 3.6 (0.8)

Note. Data from ECLS-B 9-month-Kindergarten Restricted Use Data File. All Ns rounded to nearest 50 per NCES requirements. Standard errors are jackknife standard errors. All estimates are weighted by replicate weights WK45T1-WK45T90.

**

p< .01,

*

p < .05.