Table 2.

Three Communication Groups by Variables Indicating Compliance With Fixed Orthodontic Treatment^a

Variables Indicating Orthodontic Compliance	G1 (M ± SD)	G2 (M ± SD)	G3 (M ± SD)	One-Way ANOVA P Value	Groups Compared	Mean Difference	P Value	95% Confidence Interval
								Lower Bound	Upper Bound
Treatment duration (mo)	24.45 ± 6.0	22.18 ± 7.4	21.27 ± 7.6	.14	G1 vs G2	2.27	.43	−1.74	6.23
					G1 vs G3	3.19	.15	−0.79	7.12
					G2 vs G3	0.92	.93	−3.12	4.95
Number of failed appointments	1.30 ± 1.87	1.71 ± 1.98	1.17 ± 1.46	.41	G1 vs G2	−0.42	.69	−1.44	0.60
					G1 vs G3	0.13	.99	−0.88	1.14
					G2 vs G3	0.55	.48	−0.48	1.57
Incidence of breakage	2.92 ± 1.28	2.86 ± 2.33	1.92 ± 1.65	.016*	G1 vs G2	0.06	.99	−1.01	1.14
					G1 vs G3	1.00	.014*	0.17	1.83
					G2 vs G3	0.94	.13	−0.21	2.09
Total numbers of breakage	4.92 ± 3.03	4.34 ± 4.02	3.47 ± 3.65	.23	G1 vs G2	0.58	.87	−1.47	2.62
					G1 vs G3	1.45	.24	−0.59	3.48
					G2 vs G3	0.87	.67	−1.19	2.93

^aOne-way ANOVA and post hoc tests.

^*Significant results.