Table 5 Linear regression models estimated for the PIDAQ scores and its domains: DSC, SI, PI and AC and their predictive variables.
From: Factors related to the psychological impact of malocclusion in adolescents
Model p value R2 | Predictive variables | Beta coefficient (CI 95%) | p value | |
|---|---|---|---|---|
Total PIDAQ score | < 0.01** 0.114 | DAI | 0.20 (0.10–0.30) | < 0.01** |
Past orthodontic treatment worn | − 5.74 (− 7.84 to − 3.65) | < 0.01** | ||
IOTN-DHC | 4.87 (1.63–8.11) | < 0.01** | ||
Female | 2.66 (1.06–4.27) | 0.02* | ||
IOTN-AC | 4.43 (0.57–8.29) | < 0.01** | ||
Constant | 14.68 (11.91–17.46) | |||
DSC | < 0.01** 0.158 | DAI | − 0.11 (− 0.15 to − 0.07) | < 0.01** |
Past orthodontic treatment worn | 2.72 (1.90–3.53) | < 0.01** | ||
IOTN-DHC | − 2.29 (− 3.56 to − 1.02) | < 0.01** | ||
IOTN-AC | − 1.95 (− 3.46 to − 0.44) | < 0.01** | ||
Constant | 16.40 (15.36–17.44) | |||
SI | < 0.01** 0.02 | IOTN-AC | 1.82 (0.45–3.12) | < 0.01** |
DAI | 0.04 (0.01–0.08) | 0.01* | ||
Constant | 2.21 (1.29–3.13) | |||
PI | < 0.01** 0.10 | DAI | 0.07 (0.04–0.10) | < 0.01** |
Female | 1.52 (0.97–2.06) | < 0.01** | ||
Past orthodontic treatment worn | − 2.10 (− 2.83 to 1.37) | < 0.01** | ||
Age | 0.31 (0.14–0.49) | < 0.01** | ||
IOTN-DHC | 1.35 (0.32–2.39) | 0.01* | ||
Constant | − 1.77 (− 4.49 to − 0.96) | |||
AC | < 0.01** 0.136 | IOTN-DHC | 0.75 (0.16–1.33) | < 0.01** |
Past orthodontic treatment worn | − 0.58 (− 1.03 to − 0.13) | 0.01* | ||
Female | 0.42 (0.07–0.77) | 0.02* | ||
Constant | 1.92 (1.65–2.19) |
