Table 2.
Weighted multivariate regression analysis of the associations between WWI and the risk of FI
| Variable | Model 1 | Model 2 | Model 3 | |||
|---|---|---|---|---|---|---|
| OR (95%CI) | P value | OR (95%CI) | P value | OR (95%CI) | P value | |
| WWI(continu-ous) | 1.84(1.72–1.97) | < 0.001 | 1.47(1.33–1.62) | < 0.001 | 1.36(1.20–1.55) | < 0.001 |
| WWI(tertile) | ||||||
| T1 | 1(Ref) | 1(Ref) | 1(Ref) | |||
| T2 | 1.72 (1.41–2.09) | < 0.001 | 1.35(1.09–1.66) | 0.007 | 1.26(1.00–1.58) | 0.046 |
| T3 | 3.07(2.65–3.55) | < 0.001 | 1.93(1.61–2.33) | < 0.001 | 1.63 (1.31–2.02) | < 0.001 |
| Trend test | < 0.001 | < 0.001 | < 0.001 | |||
WWI, weight-adjusted-waist index; FI, fecal incontinence
Model 1 was adjusted for none
Model 2 was adjusted for age, sex, race/ethnicity
Model 3 was adjusted for age, sex, marital status, race/ethnicity, education level, family income, smoking status, alcohol intake, physical activity, hypertension, diabetes, coronary heart disease, congestive heart failure, cancer, stroke, calorie consumption, protein consumption, carbohydrate consumption, fat consumption, and body mass index