From: Prevalence of non-carious cervical lesions and orthodontic treatment: a retrospective study
Variable | PR (95% CI) | p value | Adjusted PR (95% CI) | p value |
---|---|---|---|---|
Age (reference: up to 20 years) | 1 | 1 | ||
21–35 years | 1.13 (1.05–1.23) | 0.002* | 1.14 (1.05–1.25) | < 0.002* |
> 35 years | 1.17 (1.08–1.25) | < 0.001* | 1.19 (1.10–1.29) | < 0.001* |
Gender (reference: women) | 1 | 1 | ||
Men | 1.02 (0.94–1.10) | 0.564 | 1.05 (0.97–1.14) | 0.158 |
Angle classification (reference: Class I) | 1 | 1 | ||
Class II | 1.05 (0.97–1.13) | 0.213 | 1.00 (0.93–1.09) | 0.815 |
Class III | 1.11 (1.00–1.23) | 0.046* | 1.09 (0.98–1.22) | 0.095 |
Facial pattern (reference: mesofacial) | 1 | 1 | ||
Brachyfacial | 1.04 (0.95–1.13) | 0.308 | 1.04 (0.96–1.13) | 0.251 |
Dolichofacial | 1.11 (0.98–1.25) | 0.079 | 1.08 (0.95–1.22) | 0.198 |
Number of activation sessions (reference: 6 to 18 sessions) | 1 | |||
19–36 sessions | 1.03 (0.92–1.15) | 0.558 | 1.07 (0.97–1.18) | 0.161 |
> 36 sessions | 1.08 (0.95–1.23) | 0.222 | 1.11 (0.97–1.28) | 0.114 |
Compensatory treatment (reference: no) | 1 | 1 | ||
Yes | 0.99 (0.92–1.08) | 0.960 | 0.98 (0.91–1.06) | 0.682 |
Retreatment (reference: no) | 1 | 1 | ||
Yes | 1.07 (0.99–1.15) | 0.057 | 1.03 (0.96–1.11) | 0.320 |