Table 1.

Demographic characteristics and KAP scores of participants

	N (%)	Knowledge, mean ± SD	P	Attitude, mean ± SD	P	Practice, mean ± SD	P
Total	N = 418	11.80 ± 4.06		27.00 ± 3.18		31.13 ± 6.01
Gender			< 0.001		< 0.001		0.079
Male	144 (34.45)	10.69 ± 4.20		26.04 ± 3.49		30.26 ± 6.46
Female	274 (65.55)	12.38 ± 3.87		27.51 ± 2.89		31.58 ± 5.73
Age	32.70 ± 8.47
Residence			0.052		0.181		0.912
Rural	44 (10.53)	10.34 ± 5.09		26.25 ± 3.59		30.52 ± 7.74
Urban	374 (89.47)	11.97 ± 3.90		27.09 ± 3.13		31.20 ± 5.79
Education			0.198		0.327		0.143
College and below	86 (20.57)	12.19 ± 4.12		26.69 ± 3.66		31.85 ± 6.56
Bachelor’s degree	200 (47.85)	11.80 ± 4.20		27.22 ± 3.13		31.14 ± 6.07
Master’s degree and above	132 (31.58)	11.54 ± 3.81		26.89 ± 2.92		30.65 ± 5.55
Average monthly income, yuan			0.478		0.404		0.790
< 5000	77 (18.42)	11.79 ± 4.26		26.86 ± 4.00		31.05 ± 6.83
5000–10000	134 (32.06)	12.06 ± 4.06		27.25 ± 2.88		30.89 ± 6.02
10,000–20000	127 (30.38)	11.44 ± 3.93		26.70 ± 3.06		31.08 ± 5.93
> 20,000	80 (19.14)	11.93 ± 4.12		27.21 ± 2.98		31.69 ± 5.34
Orthodontic Method			0.003		0.020		0.373
Fixed bracket treatment	267 (63.88)	12.28 ± 3.76		27.24 ± 3.24		31.34 ± 5.98
Aligner treatment	151 (36.12)	10.93 ± 4.42		26.59 ± 3.05		30.76 ± 6.07
Duration of Appliance Wear			< 0.001		< 0.001		< 0.001
< 3 months	116 (27.75)	9.18 ± 4.50		25.58 ± 3.34		28.73 ± 6.63
3–6 months	52 (12.44)	11.50 ± 3.86		26.98 ± 2.87		32.38 ± 5.07
6–12 months	67 (16.03)	12.90 ± 3.36		27.22 ± 2.75		31.97 ± 5.83
1–2 years	90 (21.53)	13.06 ± 3.32		27.87 ± 2.41		32.06 ± 5.24
More than 2 years	93 (22.25)	13.22 ± 3.05		27.80 ± 3.52		31.91 ± 5.81