Table 1 General characteristics of patients

Mean age, years

56.5 (SD: 13.7)

Females

85.3%

Caucasian

95.7%

Mean years since diagnosis of iOAB, n (%)

• <1 year

28 (16)

•1-4 years

105 (59)

• 5-10 years

28 (16)

• >10 years

16 (9)

History of anti-cholinergic medication use, n (%)

• Used previously

157 (89)

• Failed

71 (40)

Education, n (%)

• Elementary/High School

129 (73)

• College/University degree

35 (20)

• Post-graduate degree

13 (7)

Income, n (%)

• ≤$50,000

91 (51)

• $50,001 to $100,000

35 (20)

• >$100,000

24 (14)

• Did not disclose

27 (15)

Urinary incontinence, mean episodes per day (SD)

2.5 (2.2)

Micturitions, mean episodes per day (SD)

8.5 (4.2)

Nocturia^a, n (%)

95 (53.7)

Urgency, mean episodes per day (SD)

3.2 (3.4)

I-QOL score, mean (SD)

78.0 (18.3)

AQoL-8D utility, mean (SD)

0.62 (0.21)