Table 1.
Characteristics of Cases and Controls
| Control (N=226) | SUI Case (N=226) | Univariate OR (95% CI) | ||
|---|---|---|---|---|
| Age, years | Mean (SD) | 49.76 (7.03) | 49.69 (7.09) | NA |
| 39 to 49 | N | 121 | 121 | |
| 50 to 60 | N | 83 | 83 | |
| 61 to 65 | N | 22 | 22 | |
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| ||||
| Body Mass Index, kg/m2 | Mean (SD) | 25.61 (5.11) | 27.09 (4.92) | 1.1 (1.0, 1.1) |
| 18.5 to 24.9 | N (%) | 130 (57.52) | 95 (42.04) | 1.0 |
| 25 to 29.9 | N (%) | 52 (23.01) | 64 (28.32) | 1.7 (1.1, 2.6) |
| 30 to 39.9 | N (%) | 44 (19.47) | 67 (29.65) | 2.1 (1.3, 3.3) |
|
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| Parity | Median (range) | 2 (0, 8) | 2 (0,12) | 1.2 (1.0, 1.3) |
| 0 | N (%) | 63 (28.00) | 39 (17.26) | 1.0 |
| 1 | N (%) | 33 (14.67) | 39 (17.26) | 1.9 (1.0, 3.5) |
| 2 | N (%) | 67 (29.78) | 74 (32.74) | 1.8 (1.1, 3.0) |
| 3+ | N (%) | 62 (27.56) | 74 (32.74) | 1.9 (1.1, 3.3) |
| Missing | N | 1 | 0 | |
|
| ||||
| No. of Vaginal Deliveries | Median (range) | 1 (0, 8) | 2 (0, 12) | 1.2 (1.1, 1.3) |
| 0 | N (%) | 97 (43.11) | 62 (27.43) | 1.0 |
| 1 | N (%) | 30 (13.33) | 38 (16.81) | 2.0 (1.1, 3.5) |
| 2 | N (%) | 49 (21.78) | 59 (26.11) | 1.9 (1.1, 3.1) |
| 3+ | N (%) | 49 (21.78) | 67 (29.65) | 2.1 (1.3, 3.5) |
| Missing | N | 1 | 0 | |
|
| ||||
| No. of Cesarean Deliveries | Median (range) | 0 (0, 6) | 0 (0, 6) | 0.8 (0.6, 1.1) |
| 0 | N (%) | 174 (77.33) | 189 (83.63) | 1.0 |
| 1 | N (%) | 28 (12.44) | 22 (9.73) | 0.7 (0.4, 1.3) |
| 2 | N (%) | 16 (7.11) | 11 (4.87) | 0.6 (0.3, 1.4) |
| 3+ | N (%) | 7 (3.11) | 4 (1.77) | 0.5 (0.2, 1.8) |
| Missing | N | 1 | 0 | |
|
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| Race | NA | |||
| Asian | N (%) | 7 (3.14) | 2 (0.90) | |
| Black/African American | N (%) | 0 (0) | 3 (1.35) | |
| Hawaiian/Pacific Islander | N (%) | 1 (0.45) | 0 (0) | |
| Am. Indian/Alaskan Native | N (%) | 2 (0.90) | 5 (2.25) | |
| Caucasian | N (%) | 213 (95.52) | 212 (95.50) | |
| Missing | N | 3 | 4 | |
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| Ethnicity | ||||
| Non-Hispanic | N (%) | 219 (97.77) | 210 (93.33) | 1.0 |
| Hispanic | N (%) | 5 (2.23) | 15 (6.67) | 3.1 (1.1, 8.8) |
| Missing | N | 2 | 1 | |
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| Education | ||||
| High School or Less | N (%) | 24 (10.62) | 23 (10.18) | 1.0 |
| Some College or College Grad. | N (%) | 127 (56.19) | 135 (59.73) | 1.1 (0.6, 2.1) |
| Grad./Professional Degree | N (%) | 75 (33.19) | 68 (30.09) | 0.9 (0.5, 1.8) |
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| Current Smoker | N (%) | 9 (3.98) | 12 (5.31) | 1.4 (0.6, 3.3) |
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| Caffeine consumption | ||||
| < once per month | N (%) | 37 (16.37) | 35 (15.56) | 1.0 |
| Between monthly and daily | N (%) | 31 (13.72) | 33 (14.67) | 1.1 (0.6, 2.2) |
| 1–3 times per day | N (%) | 138 (61.06) | 118 (52.44) | 0.9 (0.5, 1.5) |
| > 3 times per day | N (%) | 20 (8.85) | 39 (17.33) | 2.1 (1.0, 4.2) |
| Missing | N | 0 | 1 | |
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| Prior hysterectomy | N (%) | 25 (11.06) | 31 (13.78) | 1.3 (0.7, 2.3) |
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| Menopausal Status | ||||
| Premenopausal | N (%) | 134 (61.75) | 140 (63.06) | 1.0 |
| Postmenopausal | N (%) | 83 (38.25) | 82 (36.94) | 0.9 (0.6, 1.4) |
| Missing | N | 9 | 4 | |
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| Medical Conditions | ||||
| Seasonal allergy | N (%) | 78 (34.51) | 95 (42.04) | 1.4 (0.9, 2.0) |
| Arthritis | N (%) | 36(15.93) | 39 (17.26) | 1.1 (0.7, 1.8) |
| Hypertension | N (%) | 25 (11.06) | 34 (15.04) | 1.4 (0.8, 2.5) |
| Major depression | N (%) | 17 (7.52) | 26 (11.50) | 1.6 (0.8, 3.0) |
| Cancer history | N (%) | 24 (10.62) | 18 (7.96) | 0.7 (0.4, 1.4) |
| Sleep apnea | N (%) | 7 (3.10) | 9 (3.98) | 1.3 (0.5, 3.5) |
| Diabetes | N (%) | 7 (3.10) | 6 (2.65) | 0.9 (0.3, 2.6) |
| Chronic cough | N (%) | 2 (o.88) | 4 (1.77) | 2.0 (0.4, 11.1) |
| Myocardial Ischemia | N (%) | 1 (0.44) | 1 (0.44) | 1.0 (0.1, 16.1) |
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| Current # of Prescription Medications | Median (range) | 1 (0, 9) | 1 (0, 12) | 1.1 (1.0, 1.2) |
| 0 | N (%) | 76 (33.93) | 77 (34.22) | 1.0 |
| 1 | N (%) | 65 (29.02) | 50 (22.22) | 0.9 (0.7, 1.3) |
| 2 | N (%) | 31 (13.8) | 46 (20.4) | 0.9 (0.6, 1.3) |
| 3 | N (%) | 20 (8.93) | 13 (5.78) | 0.9 (0.6, 1.5) |
| 4 | N (%) | 12 (5.36) | 16 (7.11) | 0.7 (0.4, 1.2) |
| 5+ | N (%) | 20 (8.93) | 23 (10.22) | 0.6 (0.4, 0.9) |
| Missing | N | 2 | 1 | |
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| Self-reported health | ||||
| Excellent | N (%) | 72 (31.86) | 49 (21.68) | 1.0 |
| Very good | N (%) | 105 (46.46) | 113 (50.00) | 1.6 (1.0, 2.5) |
| Good | N (%) | 47 (20.80) | 51 (22.57) | 1.6 (0.9, 2.7) |
| Fair | N (%) | 2 (0.88) | 13 (5.75) | 9.5 (2.0, 44.1) |
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| Sites | NA | |||
| Primary Care | N (%) | 213 (94.25) | 213 (94.25) | |
| Community | N (%) | 13 (5.75) | 13 (5.75) | |