Table 3.

Piecewise growth curve modeling examining age, overgeneralization, accommodation, and their interactions as predictors of change over the course of treatment and 1 year follow-up

Outcome
Independent Variable	γ	SE	95% CI
Internalizing Symptoms
Post-Treatment Symptoms
Baseline Symptoms	.41***	.09	.24 – .57
Overgeneralization	5.33*	2.03	1.35 – 9.32
Accommodation	−5.66***	1.67	−8.93 – −2.40
Age	−.38	.28	−.92 – .17
Overgeneralization × Age	−1.65*	.68	−2.97 – −.32
Accommodation × Age	1.50*	.60	.32 – 2.68
Overgeneralization × Accommodation	−11.48*	4.40	−20.10 – −2.86
Overgeneralization × Accommodation × Age	1.21	1.48	−1.69 – 4.11
Change in Symptoms over Treatment (0, 3, 6 months)
Baseline Symptoms	−.09***	.02	−.12 – −.06
Overgeneralization	.78*	.38	.04 – 1.53
Accommodation	−.77*	.31	−1.37 – −.16
Age	−.05	.05	−.15 – .06
Overgeneralization × Age	−.23+	.13	−.48 – .02
Accommodation × Age	.23*	.11	.01 – .45
Overgeneralization × Accommodation	−1.47+	.82	−3.08 – .14
Overgeneralization × Accommodation × Age	.13	.28	−.41 – .67
Externalizing Behaviors
1 Year Follow-Up Symptoms
Baseline Symptoms	.64***	.11	.42 – .86
Overgeneralization	15.13**	4.90	5.53 – 24.73
Accommodation	−4.02	3.53	−10.93 – 2.90
Age	.04	.62	−1.18 – 1.26
Overgeneralization × Age	.50	1.83	−3.10 – 4.09
Accommodation × Age	3.46*	1.44	.64 – 6.28
Overgeneralization × Accommodation	−33.24**	11.18	−55.16 – −11.33
Overgeneralization × Accommodation × Age	.39	4.11	−7.67 – 8.45
Change in Symptoms over Treatment (0, 3, 6 months)
Baseline Symptoms	−.08***	.01	−.10 – −.05
Overgeneralization	.11	.51	−.89 – 1.12
Accommodation	−.68	.42	−1.51 – .15
Age	−.07	.07	−.22 – .07
Overgeneralization × Age	−.18	.17	−.52 – .15
Accommodation × Age	.23	.15	−.06 – .52
Overgeneralization × Accommodation	−.63	1.12	−2.81 – 1.56
Overgeneralization × Accommodation × Age	−.14	.37	−.87 – .59
Change in Symptoms over Follow-Up (6, 9, 12 months)
Baseline Symptoms	.02	.02	−.01 – .06
Overgeneralization	2.46**	.77	.94 – 3.97
Accommodation	.14	.54	−.93 – 1.21
Age	.09	.10	−.10 – .28
Overgeneralization × Age	.28	.29	−.29 – .85
Accommodation × Age	.32	.23	−.12 – .77
Overgeneralization × Accommodation	−4.55*	1.77	−8.02 – −1.08
Overgeneralization × Accommodation × Age	.12	.66	−1.16 – 1.41
PTSD Symptoms
Post-Treatment Symptoms
Baseline Symptoms	.09	.10	−.11 – .29
Overgeneralization	3.16	3.66	−4.01 – 10.34
Accommodation	−3.55	3.01	−9.44 – 2.35
Age	.15	.51	−.85 – 1.14
Overgeneralization × Age	1.54	1.23	−.87 – 3.95
Accommodation × Age	.15	1.08	−1.96 – 2.26
Overgeneralization × Accommodation	.10	7.93	−15.43 – 15.64
Overgeneralization × Accommodation × Age	−3.70	2.66	−8.91 – 1.50
Change in Symptoms over Treatment (0, 3, 6 months)
Baseline Symptoms	−.13***	.02	−.17 – −.10
Overgeneralization	.51	.67	−.79 – 1.82
Accommodation	−.59	.55	−1.66 – .48
Age	−.01	.09	−.19 – .18
Overgeneralization × Age	.25	.22	−.19 – .69
Accommodation × Age	.04	.20	−.35 – .42
Overgeneralization × Accommodation	−.28	1.44	−3.11 – 2.55
Overgeneralization × Accommodation × Age	−.48	.48	−1.43 – .47

Note.

⁺p<.10

^*p<.05

^**p<.01

^***p<.001