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. 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 6.

Relationship Between Anxiety and Duration of Disease, Where the SD Group and Controls are Pooled

Duration of
Disease, y		 Not
Anxious,
n (%)		 Anxious,
n (%)		 Test of
Association
Between Anxiety
and Duration of
Disease*
<5 (n = 123) 98 (80) 25 (20) P = 0.99
5–10 (n = 36) 25 (69) 11 (31)
>10 (n = 114) 90 (79) 24 (21)
*

Based on a logistic regression model in which anxiety was the outcome and duration of disease (coded as a continuous variable) was entered as an explanatory variable. Results were adjusted for age and gender.