TABLE 3

Child Behavior Checklist Scores (Mean [95% CI] and Between-Group Effect Sizes [d]) at 12-Month Follow-up, by Treatment Group; Attachment Classifications (n [%]) by Group

Graduated Extinction, n = 13Bedtime Fading, n = 15Education Control, n = 12Pd (Graduated Extinction versus Bedtime Fading)d (Graduated Extinction versus Education Control)d (Bedtime Fading versus Education Control)
Problem scale scores
 Internalizing problems
  Raw scores5.00 (2.7–7.3)6.06 (3.9–8.2)5.08 (1.8–8.4).77–0.27–0.020.21
  T scorea ≥60, n (%)1 (6.3)1 (8.3).59
 Externalizing problems
  Raw scores10.6 (6.4–14.8)10.6 (7.7–13.5)10.2 (5.5–14.9).980.010.060.06
  T score ≥60, n (%)1 (7.7)1 (6.3)2 (16.6).67
 Total problems
  Raw scores10.8 (6.8–14.7)10.9 (8.2–13.6)12.1 (7.6–16.6).84–0.02–0.19–0.20
  T score ≥60, n (%)
Attachment classifications
 Secure7 (54)9 (60)5 (62)
 Insecure (avoidant)1 (8)1 (7)1 (13)
 Insecure (resistant)2 (15)3 (20)1 (13)
 Insecure (disorganized)3 (23)2 (13)1 (13)
  • —, not applicable.

  • a If T score in the borderline or clinical range; d > 0.50 = moderate effect, d > 0.20 = small effect; data missing for graduated extinction group (n = 1) and sleep education control group (n = 1).