TABLE 1.

BMI, Largest Cobb Angle, QOL, Self-Body Image, Ideal-Body Image, and Self-Ideal Body-Image Discrepancy in Randomized and Preference Study Arms

	Randomized vs. Preference	Randomized Arm (Never or Not Yet Crossed-Over)			Preference Arm
	P	Brace	Observation	P	Brace	Observation	P
Baseline		(n = 64)	(n = 68)		(n = 135)	(n = 52)
BMI	0.25	19.5 (3.9)	18.9 (3.4)	0.20	19.2 (3.3)	19.7 (3.2)	0.27
Largest Cobb angle	0.16	29.7 (4.7)	29.3 (5.7)	0.66	28.9 (5.8)	27.7 (6.0)	0.19
QOL	0.07	82.2 (14.6)	83.4 (12.6)	0.81	85.7 (12.6)	85.5 (11.7)	0.76
Self-body	0.11	17.6 (4.8)	18.1 (4.2)	0.63	16.9 (3.9)	18.1 (4.7)	0.03
Ideal-body	0.11	21.1 (10.4)	19.2 (10.4)	0.25	18.4 (10.2)	17.9 (10.1)	0.53
Self-ideal	0.07	38.1 (13.3)	37.1 (12.6)	0.64	35.1 (12.7)	36.0 (13.0)	0.68
6 months		(n = 62)	(n = 59)		(n = 125)	(n = 61)
BMI	0.05	19.7 (3.6)	19.2 (4.5)	0.21	19.7 (3.4)	20.1 (3.4)	0.37
Largest Cobb angle	0.19	29.1 (8.7)	33.7 (8.1)	0.009	29.6 (8.3)	30.8 (7.6)	0.42
QOL	0.01	82.6 (15.2)	81.8 (13.9)	0.56	86.4 (11.8)	86.7 (11.2)	0.98
Self-body	0.07	17.8 (4.4)	17.8 (4.9	0.79	16.8 (4.2)	16.9 (4.6)	0.82
Ideal-body	0.35	20.5 (10.8)	20.5 (10.9)	0.94	20.1 (10.4)	16.8 (9.2)	0.03
Self-ideal	0.16	38.3 (13.5)	38.3 (13.5)	0.96	36.9 (12.6)	33.8 (11.7)	0.12
12 months		(n = 57)	(n = 50)		(n = 119)	(n = 59)
BMI	0.08	19.5 (2.7)	20.0 (4.4)	0.99	19.8 (3.1)	21.1 (3.6)	0.009
Largest Cobb angle	0.37	30.2 (9.6)	37.0 (9.3)	0.002	31.6 (10.4)	34.0 (9.2)	0.08
QOL	0.01	82.2 (14.0)	83.1 (12.4)	0.96	86.1 (13.6)	85.9 (5.4)	0.94
Self-body	0.10	18.9 (4.5)	19.1 (5.8)	0.96	17.7 (4.7)	18.9 (9.6)	0.19
Ideal-body	0.31	21.3 (10.7)	19.7 (9.5)	0.51	19.8 (10.8)	18.5 (9.6)	0.55
Self-ideal	0.18	40.2 (13.5)	38.8 (13.3)	0.56	37.7 (12.9)	37.4 (13.6)	0.89
18 months		(n = 48)	(n = 41)		(n = 93)	(n = 64)
BMI	0.53	19.6 (2.4)	20.5 (3.3)	0.32	20.1 (2.9)	20.9 (3.7)	0.30
Largest Cobb angle	0.15	31.2 (9.4)	37.8 (7.4)	0.002	32.4 (10.1)	35.2 (9.2)	0.10
QOL	0.32	84.8 (10.9)	83.0 ((15.1)	0.63	86.3 (11.7)	85.0 (13.0)	0.56
Self-body	0.09	17.9 (4.5)	20.1 (6.4)	0.16	17.5 (4.2)	18.8 (6.3)	0.42
Ideal-body	0.60	18.9 (10.5)	20.9 (10.2)	0.34	19.4 (10.7)	18.6 (10.1)	0.81
Self-ideal	0.43	36.8 (13.1)	41.0 (14.6)	0.16	37.0 (12.7)	37.4 (13.1)	0.80
24 months		(n = 30)	(n = 37)		(n = 72)	(n = 50)
BMI	0.87	20.1 (2.9)	21.3 (3.3)	0.11	20.1 (2.6)	21.5 (4.0)	0.06
Largest Cobb angle	0.39	31.9 (10.3)	38.3 (8.3)	0.008	31.9 (10.5)	37.0 (9.8)	0.01
QOL	0.11	82.3 (15.1)	79.8 (15.4)	0.52	86.4 (12.2)	81.9 (15.5)	0.14
Self-body	0.82	17.6 (5.0)	19.7 (6.5)	0.22	17.4 (4.0)	20.5 (5.6)	0.002
Ideal-body	0.58	22.1 (11.9)	21.0 (10.8)	0.63	20.0 (9.8)	19.7 (9.8)	0.74
Self-ideal	0.50	39.8 (15.0)	40.7 (14.8)	0.73	37.4 (11.4)	40.2 (14.0)	0.35

Note: Values are Means (±SD) and P values are two-sided. BMI indicates body mass index; QOL, quality of life.