Table 2.

Bivariate associations between key traits and response to oral appliance therapy using logistic regression

Trait	β [95% CI]	p
Event depth (collapsibility)	‒0.75 [‒1.3 to ‒0.2]	0.006*
Expiratory pinching (palate)	0.74 [0.2 to 1.3]	0.005*
Negative-effort dependence (tongue base)	0.01 [‒0.3 to 0.3]	0.966
Discontinuity, D1 (epiglottis)	‒0.03 [‒0.1 to 0.1]	0.570

Adjusting for age, sex, and BMI did not reduce the strength of the associations for Event Depth (β: ‒0.73 [‒1.4, ‒0.1], p = 0.024) and Expiratory Pinching (β: 0.70 [0.1, 1.3], p = 0.030).

*Bivariate associations for Event Depth and Expiratory Pinching remained significant after Bonferroni correction (p-threshold = 0.0125).