Table 9.: Association between craniofacial variables and PDSS answers shown by binary logistic regression.

  B S.E. OR OR (95%CI) P value
Q1: Straight or concave profile vs. convex profile 1.0 0.4 2.7 1.2-6.4 0.018*
Q4: Straight or concave profile vs. convex profile 0.8 0.4 2.3 1.0-5.2 0.040*
Q5: Hypertrophy tonsil size vs. normal 1.1 0.6 3.0 1.0-9.0 0.050*
Q5: Large tongue size vs. normal 1.8 0.5 5.9  2.2-15.6  <0.001***
Q6: Class II molar relationship vs. other molar relastionships 0.9 0.4 2.4 1.0-5.5 0.047*
Q7: Younger age vs. older 0.3 0.1 1.3 1.1-1.5  0.001***
Q7: Normal and long lower face vs. short lower face 0.9 0.4 2.6 1.2-5.3 0.011*
Q8: Large tongue size vs. normal 1.0 0.5 2.7 1.0-6.8 0.043*

*P<0.05; ***P<0.001B: estimated logit coefficient; S.E.: standard error of the coefficient; OR: odds ratio; CI: confidence interval.

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