Skip to main content
. Author manuscript; available in PMC: 2009 Apr 14.
Published in final edited form as: Stat Med. 2009 Mar 30;28(7):1108–1130. doi: 10.1002/sim.3533

Table 3. Estimates of Intervention effect for CBT compared to TAU. Standard errors and nominal 95% confidence intervals are in parentheses.

Effect
Overall ITT effect -6.35 (2.53)
(-11.37,-1.33)
Standard Direct Effectfor overall sample -6.86 (2.60)
(-12.01, -1.70)
Homogeneous Variance PS Model Heterogeneous Variance by Defiers PS Model
Always mediators (12.9%) -8.29 (17.68)
(-43.43, 28.30)		 -10.05 (7.63)
(-24.92, 5.07)
Never mediators (75.2%) -7.06 (4.47)
(-15.36, 1.93)		 -4.96 (2.80)
(-10.43, 0.58)
Pooled Direct Effect of Intervention -7.11 (4.28)
(-15.16, 1.49)		 -5.70 (2.65)
(-10.92, -0.49)

Note: Principal strata probability per class under heterogeneous variance PS model are included in parentheses in the effect column