TABLE 1

Study Baseline Participant Demographic Characteristics (N = 162)

VariableValue
Child sex
 Male77 (48)
 Female85 (52)
Maternal demographic characteristics
 Age, y29.3 ± 5.3
 Race/ethnicity
  White135 (84)
  Black6 (4)
  Asian5 (3)
  Hispanic/Latina9 (6)
  Other5 (3)
 Education
  High school graduate or less22 (14)
  Some college30 (19)
  College graduate or more110 (68)
 Marital status
  Single4 (2)
  Single, cohabitating with partner22 (14)
  Married, cohabitating with partner132 (82)
  Father involved, living separately4 (2)
Paternal demographic characteristics
 Age, y32.0 ± 5.9
 Race/ethnicity
  White124 (85)
  Black5 (3)
  Asian5 (3)
  Hispanic/Latino7 (5)
  Other5 (3)
 Education
  High school graduate or less23 (15)
  Some college26 (17)
  College graduate or more100 (67)
Family income, thousands of dollars, median (interquartile range)60 (37–90)
  • Unless otherwise indicated, data are presented as n (%) or mean ± SD.