Table 6 Logistic regression analysis on the influencing factors of orthodontic retreatment willingness
From: A survey regarding orthodontic treatment among contemporary college freshmen in China
| Â | Willingness of retreatment | |
|---|---|---|
P value | OR (95% CI) | |
Start age of orthodontic treatmenta | ||
 At the age of 7–11 | NS | – |
 At the age of 12–15 | 0.00** | 0.534 (0.382–0.746) |
 At the age of 16 and later | 0.00** | 0.515 (0.357–0.743) |
Relapse phenomenonb | ||
 Not sure | 0.00** | 0.446 (0.297–0.669) |
 Slight relapse | NS | – |
 Obvious relapse | 0.00** | 1.781 (1.331–2.384) |