From: The association between nutritive, non-nutritive sucking habits and primary dental occlusion
 | Anterior openbite | Anterior overbite | ||||
---|---|---|---|---|---|---|
p-value | Anterior openbite vs non-anterior openbite | p-value | Overbite ≥ ½ vs overbite < ½ | |||
 | OR | 95% CI |  | OR | 95% CI | |
Frequency of pacifier use | 0.000* | Â | Â | 0.004* | Â | Â |
 Daily |  | 10.149 | 3.798–27.122 |  | 0.555 | 0.373–0.825 |
 Non-daily |  | 1 | – |  | 1 | – |
Frequency of thumb/digit sucking | 0.046* | Â | Â | 0.128 | Â | Â |
 Daily |  | 3.440 | 1.020–11.597 |  | 0.653 | 0.377–1.130 |
 Non-daily |  | 1 | – |  | 1 | – |