Table 1 Baseline characteristics and KAP scores in adolescents.
Adolescent Questionnaire | N(%) | Knowledge | Attitude | Practice | |||
---|---|---|---|---|---|---|---|
Mean ± SD/ M (P25, P75) | p | Mean ± SD/ M (P25, P75) | p | Mean ± SD/ M (P25, P75) | p | ||
Total | 478 | 8 (5, 9) | Â | 36 (32, 41) | Â | 40 (35, 45) | Â |
Age (years) | Â | Â | 0.075 | Â | 0.495 | Â | 0.034 |
 < 11 | 94(19.67) | 8 (5, 9) |  | 38 (33, 41.25) |  | 40 (35.75, 44) |  |
 11–15 | 226(47.28) | 8 (6, 9) |  | 36 (33, 44) |  | 43 (37, 49) |  |
 16–18 | 158(33.05) | 8.5 (6, 9) |  | 37 (32, 44) |  | 41 (37.25, 46) |  |
Gender | Â | Â | 0.415 | Â | 0.830 | Â | 0.638 |
 Boy | 227(47.49) | 9 (6, 9) |  | 36 (33, 44) |  | 42 (36, 47) |  |
 Girl | 251(52.51) | 8 (5.5, 9) |  | 37 (33, 43.5) |  | 42 (38, 46) |  |
Grade | Â | Â | 0.039 | Â | 0.223 | Â | 0.187 |
 Primary school | 136(28.45) | 7 (5, 9) |  | 38 (34, 43) |  | 39.00 ± 8.72 |  |
 Junior high school | 204(42.68) | 8 (6, 9) |  | 36 (33, 41) |  | 39.89 ± 7.88 |  |
 Senior high school | 138(28.87) | 9 (6.75, 9) |  | 37 (32, 47) |  | 40.74 ± 6.80 |  |
Number of children in the family | Â | Â | 0.255 | Â | 0.033 | Â | 0.256 |
 1 | 274(57.32) | 9 (6, 9) |  | 36 (32, 41) |  | 43 (37, 47) |  |
 2 | 173(36.19) | 8 (5.25, 9) |  | 36 (33.25, 43.75) |  | 41 (38, 45.75) |  |
 ≥ 3 | 35(6.49) | 6 (3, 9) |  | 39 (37.5, 47) |  | 39 (33, 43.5) |  |
Received orthodontic treatment |  |  | 0.002 |  | 0.194 |  | < 0.001 |
 Currently undergoing | 113(23.64) | 9 (6, 9) |  | 37 (32, 44) |  | 43 (38.5, 49) |  |
 Completed | 95(19.87) | 8 (6, 9) |  | 36 (33, 41) |  | 41 (36, 45) |  |
 Not received | 270(56.49) | 7 (5, 9) |  | 36 (31, 41) |  | 39 (32, 43) |  |
Person suggested that you receive orthodontic treatment | Â | Â | 0.377 | Â | 0.081 | Â | 0.024 |
 Family members | 103(21.55) | 8 (6, 9) |  | 37 (33, 44) |  | 42.03 ± 6.53 |  |
 Self-requested | 55(11.51) | 8 (6, 9) |  | 38 (33, 40) |  | 40.56 ± 7.16 |  |
 Doctor’s recommendation | 50(10.46) | 9 (7, 9) |  | 35.5 (26.75, 41.25) |  | 43.74 ± 8.42 |  |
Ways to acquire knowledge about orthodontic treatment | Â | Â | 0.014 | Â | 0.957 | Â | 0.079 |
 Doctor’s education | 165(34.52) | 9 (6, 9) |  | 36 (33, 44) |  | 43 (36, 49) |  |
 Parental explanation | 146(30.54) | 8 (5, 9) |  | 37 (34, 43.5) |  | 41 (38, 46) |  |
 Classmate’s promotion | 63(13.18) | 6 (4, 9) |  | 39 (32, 45.5) |  | 38 (34, 46) |  |
 Internet | 104(21.76) | 9 (7, 9) |  | 36 (32, 38) |  | 41 (39, 46) |  |