TABLE 2

Demographic Characteristics of Participating Families, by Treatment Group

Graduated ExtinctionBedtime FadingEducation Control
Child
 Age, mean ± SD, mo10.8 ± 3.711.8 ± 3.49.61 ± 3.3
 Boys, n (%)5 (39)5 (31)5 (42)
Mother
 Age, mean ± SD, y31.38 ± 4.434.44 ± 5.133.82 ± 4.3
 Education status, n (%)
  Did not complete high school1 (8.3)
  Completed high school2 (15.4)3 (18.8)1 (8.3)
  Completed higher education11 (84.6)13 (81.3)10 (83.3)
Father
 Age, mean ± SD, y33.38 ± 5.435.67 ± 7.037.73 ± 6.2
 Education status, n (%)
  Did not complete high school1 (7.1)3 (27.3)
  Completed high school2 (15.4)5 (35.7)
  Completed higher education11 (84.6)8 (57.1)8 (72.2)
Family
 Parental status, n (%)
  Two parents13 (100)14 (87.5)11 (91.7)
  Single parent2 (12.5)1 (8.3)
 Household income per annum, n (%)*
  <50 0004 (26.7)3 (25.0)
  50 000–80 0004 (33.3)5 (33.3)4 (33.3)
  >80 0008 (66.7)6 (40.0)5 (41.7)
  • Data missing for n = 1 for each of graduated extinction and bedtime fading groups. —, no data.