Table 1. Children’s sociodemographic characteristics, orthodontic treatment needs and quality of life before treatment.
| Group 1 | Group 2 | Intergroup comparison (p value) | |
| Gender of the children | |||
| Boys | 11 (73.3) | 07 (46.7) | 0.264* |
| Girls | 04 (26.7) | 08 (53.3) | |
| Age of the children (years) | |||
| 8 | 04 (26.6) | 05 (33.3) | 0.999** |
| 9 | 06 (40.0) | 05 (33.3) | |
| 10 | 05 (33.4) | 05 (33.4) | |
| Orthodontic treatment needs | |||
| Slight | 01 (06.7) | 02 (13.3) | 0.999** |
| Elective | 05 (33.3) | 02 (13.3) | |
| Highly desirable | 04 (26.7) | 08 (53.4) | |
| Mandatory | 05 (33.3) | 03 (20.0) | |
| Family income (BZMW) | |||
| Up to 1 BZMW | 01 (06.7) | 01 (06.7) | 0.412** |
| From 1 to 2 BZMWs | 07 (46.7) | 10 (66.7) | |
| From 2 to 5 BZMWs | 06 (40.0) | 04 (26.7) | |
| From 5 to 10 BZMWs | 01 (06.7) | 00 (00.0) | |
| CPQ8-10 (T1) | |||
| OS1 | 7.47 (7.00)2 | 4.40 (3.00)2 | 0.067*** |
| FL1 | 6.13 (7.00)2 | 2.40 (1.00)2 | 0.011*** |
| EW1 | 6.33 (6.00)2 | 2.40 (0.00)2 | 0.019*** |
| SW1 | 7.80 (6.00)2 | 2.33 (1.00)2 | 0.032*** |
| OL1 | 27.87 (35.0)2 | 11.13 (7.00)2 | 0.008*** |
BZMW = Brazilian monthly wage.
CPQ8-10 = Child Perceptions Questionnaire. T1 = before beginning treatment.
OS = oral symptoms; FL = functional limitations; EW = emotional well-being; SW = social well-being; OL = overall score.
1 Analyzed as a continuous variable. 2 Mean (Median). *Pearson chi-square. **Linear by linear chi-square. ***Mann-Whitney test.