Table 1.
Basic characteristics according to VAI tertiles
| Lowest tertile 0.10—1.11 |
Middle tertile 1.11—2.13 |
Highest tertile 2.13–37.66 |
P value | |
|---|---|---|---|---|
| Age, mean (95%CI), years | 44.52 (43.73,45.32) | 47.78 (46.92,48.65) | 51.27 (50.58,51.96) | < 0.0001 |
| Race/Ethnicity, percentage (95% CI) | < 0.0001 | |||
| Mexican American | 5.30 (4.36,6.43) | 8.21 (7.00,9.60) | 9.46 (7.98,11.18) | |
| Other Hispanic | 4.79 (3.77,6.08) | 5.06 (4.18,6.12) | 5.69 (4.38,7.37) | |
| Non-Hispanic White | 66.44 (63.53,69.23) | 69.20 (66.44,71.82) | 71.26 (68.33,74.01) | |
| Non-Hispanic Black | 16.12 (14.21,18.22) | 10.98 (9.56,12.58) | 6.73 (5.78,7.82) | |
| Other Race | 7.35 (6.22,8.67) | 6.56 (5.57,7.70) | 6.86 (5.64,8.33) | |
| Marital status, percentage (95% CI) | < 0.0001 | |||
| Never married | 19.63 (17.78,21.62) | 15.07 (13.32,17.01) | 11.00 (9.58,12.59) | |
| Married or living with partner | 61.23 (58.70,63.70) | 61.70 (59.45,63.91) | 62.28 (59.98,64.52) | |
| Separated/divorced/Widowed | 19.24 (17.47,21.13) | 23.16 (21.29,25.14) | 26.75 (24.92,28.65) | |
| Education less than high school, percentage (95% CI) | 45.82 (43.18,48.48) | 53.07 (50.44,55.68) | 59.92 (57.29,62.49) | < 0.0001 |
| Insurance, percentage (95% CI) | 86.76 (85.18,88.19) | 84.04 (82.26,85.68) | 83.36 (81.60,84.99) | 0.0212 |
| PIR, mean (95%CI), mg/d | 2.99 (2.90,3.07) | 2.73 (2.62,2.84) | 2.51 (2.41,2.61) | < 0.0001 |
| Missing PIR, percentage (95% CI) | 5.77 (4.90,6.78) | 5.89 (4.94,7.02) | 6.37 (5.41,7.48) | 0.6462 |
| Alcohol intake, mean (95%CI), g/d | 0.98 (0.87,1.09) | 0.66 (0.57,0.76) | 0.48 (0.37,0.58) | < 0.0001 |
| Missing Alcohol intake, percentage (95% CI) | 9.38 (8.10,10.85) | 8.05 (6.94,9.31) | 8.06 (6.72,9.64) | 0.2475 |
| Caffeine intake, mean (95%CI), mg/d | 133.92 (125.65,142.20) | 140.82 (132.14,149.51) | 150.60 (142.69,158.50) | 0.0074 |
| Missing Caffeine intake, percentage (95% CI) | 9.38 (8.10,10.85) | 8.05 (6.94,9.31) | 8.06 (6.72,9.64) | 0.2475 |
| Physical activity, mean (95%CI), MET-min/week | 2395.03 (2182.22,2607.84) | 1909.33 (1744.08,2074.57) | 1605.04 (1442.21,1767.87) | < 0.0001 |
| Missing physical activity, percentage (95% CI) | 18.88 (17.19,20.69) | 24.62 (22.89,26.43) | 31.76 (29.64,33.96) | < 0.0001 |
| Diabetes, percentage (95% CI) | < 0.0001 | |||
| Yes | 5.61 (4.82,6.51) | 12.64 (11.26,14.17) | 26.55 (24.65,28.53) | |
| No | 92.97 (92.00,93.84) | 84.76 (83.10,86.29) | 71.37 (69.35,73.32) | |
| Not recorded | 1.50 (1.13,1.99) | 2.98 (2.41,3.67) | 2.83 (2.24,3.57) | |
| Hypertension, percentage (95% CI) | 23.02 (21.08,25.08) | 32.51 (30.63,34.45) | 45.40 (43.18,47.63) | < 0.0001 |
| GFR, percentage (95% CI), mL/min/1.73 m2 | < 0.0001 | |||
| < 60 | 6.04 (5.09,7.16) | 8.07 (7.01,9.28) | 12.96 (11.35,14.75) | |
| ≥ 60 | 93.96 (92.84,94.91) | 91.93 (90.72,92.99) | 87.04 (85.25,88.65) | |
| Smoke | < 0.0001 | |||
| Never | 67.00 (64.74,69.18) | 60.38 (58.03,62.69) | 52.41 (49.98,54.83) | |
| Former | 20.06 (18.19,22.07) | 21.03 (18.85,23.39) | 22.99 (20.90,25.23) | |
| Now | 12.94 (11.60,14.41) | 18.59 (16.68,20.67) | 24.60 (22.67,26.63) | |
| Parity, mean (95% CI) | 1.69 (1.61,1.76) | 2.00 (1.92,2.09) | 2.21 (2.13,2.29) | < 0.0001 |
| Missing parity, percentage (95% CI) | 27.59 (25.41,29.89) | 19.72 (17.70,21.91) | 14.92 (13.09,16.95) | < 0.0001 |
| PHQ-9, percentage (95% CI) | < 0.0001 | |||
| < 10 | 77.20 (75.35,78.94) | 71.81 (69.37,74.13) | 66.01 (63.04,68.86) | |
| ≥ 10 | 5.52 (4.69,6.48) | 6.01 (4.96,7.27) | 10.23 (8.83,11.82) | |
| Not recorded | 17.29 (15.67,19.04) | 22.18 (20.07,24.45) | 23.76 (21.08,26.66) | |
| Comorbidity index, percentage (95% CI) | < 0.0001 | |||
| 0 | 65.71 (63.43,67.92) | 56.12 (53.93,58.29) | 40.43 (38.09,42.81) | |
| 1 | 16.17 (14.50,18.00) | 20.39 (18.76,22.13) | 24.41 (22.30,26.65) | |
| ≥ 2 | 18.12 (16.44,19.92) | 23.49 (21.56,25.53) | 35.16 (32.94,37.46) | |
| Stress incontinence overall, percentage (95% CI) | 35.41 (33.26,37.63) | 42.45 (40.19,44.74) | 52.17 (49.77,54.56) | < 0.0001 |
| Stress Incontinence Weekly, percentage (95% CI) | 19.83 (17.17,22.79) | 26.44 (23.36,29.76) | 29.81 (27.03,32.76) | < 0.0001 |
| Stress incontinence daily, percentage (95% CI) | 8.55 (6.83,10.64) | 11.15 (9.03,13.69) | 13.65 (11.51,16.11) | 0.0072 |
Data in the table: For continuous variables: survey-weighted mean (95% CI), P value was by survey-weighted linear regression (svyglm)
For categorical variables: survey-weighted percentage (95% CI), P-value was by survey-weighted Chi-square test (svytable)
VAI visceral adipose index, PIR poverty income ratio, GFR Glomerular filtration rate; PHQ-9 Patient Health Questionnaire-9