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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Appl Dev Sci. 2011 Jul;15(3):156–170. doi: 10.1080/10888691.2011.587721

Table 1.

Means and Frequencies for Key Study Variables, by Race/Ethnicity

Full Sample (n = 12,076) White (n = 8,152) African-American (n = 1,899) Mexican Immigrant (n = 739) 3rd-Plus Latino/a (n = 1,286)
Birth Status
 Parents married at birth 68.3 81.1a 26.8d 67.3b 55.3c
 Parents unmarried at birth 29.6 17.8d 69.5a 28.2c 41.0b
 Missing birth status 2.1 1.1b 3.7a 4.5a 3.7a
Current Family Structure (by Birth Status)
 After a marital births
  Married biological 56.8 68.5a 18.2d 59.8b 43.5c
  Married stepparent 2.6 3.4a 0.5c 1.1b 1.8b
  Cohabiting stepparent 1.4 1.6a 0.3b 1.6a 1.4a
  Single parent 7.5 7.5a 7.6a 4.8b 8.6a
 After a nonmarital births
  Married biological 5.6 4.6c 6.6b 6.6b 8.9a
  Cohabiting biological 3.5 1.9c 5.3b 9.8a 6.2b
  Married stepparent 3.3 2.7b 5.5a 2.2b 4.7a
  Cohabiting stepparent 2.2 1.7b 3.7a 2.0b 2.5b
  Single parent 12.4 5.4d 39.6a 7.5c 16.4b
 Guradian/Adopted/Other 2.8 1.5bc 8.9a 0.2c 2.5b
Family/Parent Characteristics
 Parent education (M/SD) 2.9 (1.2) 3.2 (1.1)a 2.5 (1.0)b 1.8 (1.0)c 2.5 (1.0)b
 Per capita income/1000 (M/SD) 12.4 (13.3) 15.0 (13.1)a 7.0 (8.3)c 4.8 (4.5)d 9.9 (12.9)b
 Home language use (non-English) 8.0 0.3c 0.2c 85.6a 18.8b
 Maternal age at first birth (M/SD) 23.5 (5.6) 24.7 (5.4)a 20.5 (4.9)c 21.6 (4.6)b 21.7 (5.1)b
 In-home activities (M/SD) 2.78 (.49) 2.82 (.45)a 2.76 (.53)b 2.47 (.62)c 2.77 (.47)b
 Reading activities (M/SD) 3.21 (.74) 3.23 (.71)a 3.24 (.80)a 2.94 (.91)b 3.23 (.69)a
 Parent/child warmth (M/SD) 1.30 (.36) 1.31 (.35)a 1.25 (.39)b 1.31 (.49)a 1.29 (.35)ab
 Parenting stress (M/SD) 3.40 (.46) 3.42 (.41)a 3.33 (.56)b 3.29 (.61)c 3.42 (.46)a
Preschool Experience
 Parental care 17.3 16.3d 12.0c 38.1a 21.6b
 Relative care 13.3 11.2b 17.7a 13.5b 19.1a
 Non-relative care 11.0 13.6a 4.1c 7.2b 7.7b
 Center care 42.3 48.5a 33.1b 20.0c 33.2b
 Head start 9.6 5.3d 22.0a 16.1b 12.6c
 Other care 4.9 4.4b 8.0a 3.4b 4.6b
Other Controls
 Child gender (female) 48.7 48.6a 49.6a 46.8a 49.0a
 Child age in months (M/SD) 68.6 (4.5) 68.9 (4.4)a 68.34 (4.6)b 67.3 (4.7)c 68.1 (4.4)b

Note: Results were weighted. Statistics with different subscripts differed significantly (p < .05) between groups in question. Means with the same subscript did not differ significantly.