. Author manuscript; available in PMC: 2013 Sep 1.

Published in final edited form as: J Voice. 2011 Dec 29;26(5):667.e1–667.e6. doi: 10.1016/j.jvoice.2011.08.011

TABLE 7.

Relationship Between Depression and Anxiety in SD Patients and Controls

Anxiety	Proportion of Patients Who Are Depressed		Test of Whether the Association Between Depression and Anxiety Differed Between SD Patients and Controls^*
Anxiety	Controls	SD
Yes	19/28 (68%)	16/32 (50%)	P = 0.24
No	23/118 (19%)	20/96 (21%)

Based on a logistic regression model in which depression was the outcome and an interaction effect was entered between SD and anxiety. Results were adjusted for duration of disease, age, and gender.