Table 3.

Pre-post t-test results, in the completer sample (n = 49). Raw sum score results are first presented; for PROMIS measure items, T-score results are presented directly below in italics.

	Pre-Test Mean (SD)	Post-Test Mean (SD)	t (post-test – pre-test)	df	p	Cohen’s d
Social Roles	15.57 (4.44)	17.52 (4.52)	3.90	45	<.001	.44
T-score	41.36 (5.45)	43.92 (5.94)	5.01		< .001
Phys. Functioning	14.63 (3.82)	14.94 (3.37)	.80	48	.43	.09
T-score	41.60 (7.23)	41.32 (5.81)	−.38		.71
Pain Interference	24.06 (8.11)	23.02 (7.80)	−1.14	48	.26	.13
T-score	60.93 (7.39)	60.20 (6.67)	−.89		.38
Pain Intensity	8.75 (2.35)	8.70 (2.24)	−.18	47	.86	.02
T-score	51.07 (7.02)	50.73 (6.41)	−.32		.75
PTSD total	43.88 (14.04)	38.41 (14.60)	−2.36	33	.02	.38
Re-experiencing	11.67 (4.22)	10.50 (4.46)	−1.66	35	.11	.27
Avoidance	4.66 (2.04)	4.13 (2.32)	−1.67	37	.10	.24
Neg. cog/mood	14.19 (5.65)	12.11 (5.88)	−3.98	36	.03	.36
Hyperarousal	13.65 (5.01)	11.89 (5.05)	−3.33	36	.03	.35
Anger	16.33 (4.76)	15.35 (4.22)	−1.57	47	.12	.22
T-score	61.83 (10.73)	59.67 (9.24)	−1.55		.13
Depression	21.63 (7.61)	19.71 (6.57)	−2.20	48	.03	.27
T-score	59.16 (8.75)	57.84 (7.02)	−1.36		.18
Anxiety	24.67 (6.78)	23.04 (6.47)	−2.10	47	.04	.25
T-score	63.04 (7.93)	61.38 (7.16)	−1.97		.06
Kinesiophobia	41.86 (6.45)	36.63 (5.81)	−7.46	42	< .001	.85