Table 3.

Descriptive Statistics, Bivariate Correlations, and Convergent and Divergent Validity for Sinonasal Outcome Test (SNOT-22) Domains

SNOT-22 Domain	Mean (SD)	Omega	Pearson Correlation, r (p-value)					Conv & Div Validity
			Ear/Facial	Nasal	Sleep	Function	Emotion	ETDQ-7		p-valuea	p-valuea
Ear/facial (4 items)	3.2 (3.9)	0.81	1.00	---	---	---	---	0.61		---	0.011c
Nasal (8 items)	8.7 (7.5)	0.88	0.59 (<.001)	1.00	---	---	---	0.50		0.011b	---
Sleep (4 items)	6.2 (6.2)	0.93	0.45 (<.001)	0.47 (<.001)	1.00	---	---	0.33		<0.001b	0.002c
Function (3 items)	3.6 (3.8)	0.86	0.55 (<.001)	0.52 (<.001)	0.72 (<.001)	1.00	---	0.37		<0.001b	0.012c
Emotion (3 items)	2.5 (3.2)	0.88	0.58 (<.001)	0.53 (<.001)	0.58 (<.001)	0.68 (<.001)	1.00	0.37		<0.001b	0.011c

Notes: ^aFisher’s r-to-z transformation in examining the differences between correlation coefficients. ^bComparing with the coefficient between ear/facial and ETDQ-7. ^cComparing with the coefficient between nasal and ETDQ-7.

Abbreviations: Conv, convergent; div, divergent; ETDQ, eustachian tube dysfunction questionnaire.