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 | |
Duration of daily pacifier use | 0.000* | Â | Â | 0.045* | Â | Â |
  > 1 year |  | 15.171 | 5.298–43.446 |  | 0.577 | 0.374–0.890 |
  < 1 year |  | 0.000 | 0.000–0.000 |  | 0.881 | 0.302–2.570 |
 Never |  | 1 | – |  | 1 | – |
Duration of daily thumb/digit sucking | 0.006* | Â | Â | 0.122 | Â | Â |
  > 1 year |  | 6.383 | 1.689–24.120 |  | 0.631 | 0.352–1.131 |
 Never |  | 1 | – |  | 1 | – |