Table 2 Univariate and multivariate logistic regression analyses considering associations between the desire for orthodontic treatment (dependent variable) and remaining variables (independent)
Non-adjusted OR (95% CI) | p | Adjusted OR * (95% CI) | p | |
|---|---|---|---|---|
Malocclusion | ||||
Absent | 1 | |||
Present | 6.4 (3.5-11.7) | <0.001 | ||
Open bite | ||||
< 2 mm | 1 | |||
> 2 mm | 3.1 (0.9-10.6) | 0.062 | ||
Crowding | ||||
without crowding, | 1 | |||
one crowded segment, | 2.3 (1.4-4.0) | 0.002 | ||
two crowded segments | 8.3 (3.8-18.4) | <0.001 | ||
Lower crowding | ||||
<2 mm | 1 | |||
≥ 2 mm | 2.1 (1.3-3.4) | 0.002 | ||
Upper crowding | ||||
<2 mm | 1 | 1 | ||
≥ 2 mm | 4.7 (2.7-8.4) | <0.001 | 2.3 (1.1-4.6) | 0.021 |
Upper overjet | ||||
<4 mm | 1 | |||
≥ 4 mm | 4.4 (1.8-10.5) | 0.001 | ||
Molar relation | ||||
Normal | 1 | |||
Half cuspid | 2.6 (1.5-4.7) | 0.001 | ||
One cuspid | 3.7 (0.5-29.4) | 0.217 | ||
Normative need (DAI) | ||||
No need | 1 | |||
Elective | 3.9 (2.0-7.7) | <0.001 | ||
Highly desirable | 16.4 (5.0- 53.7) | <0.001 | ||
Need for treatment (parents) | ||||
No | 1 | 1 | ||
Yes | 29.1 (15.4-54.8) | <0.001 | 21.6 (10.6-44.1) | <0.001 |
Aesthetic self-perception (OASIS) | 1 | |||
Positive | 10.4 (5.3-20.5) | <0.001 | ||
Negative | ||||
Parents' perception (aesthetics of child) | 1 | |||
Satisfactory | 14.1 (5.0-39.4) | <0.001 | ||
Unsatisfactory | ||||
Economic level | ||||
High | 1 | |||
Intermediate | 4.1 (2.4-7.0) | <0.001 | ||
Low | 6.2 (2.8-13.8) | <0.001 | ||
Father's schooling | ||||
High | 1 | |||
Low | 4.0 (2.1-7.6) | 0.001 | ||
Mother's schooling | ||||
High | 1 | |||
Low | 3.9 (2.1-7.4) | <0.001 |