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Table 5 Relative risk for OAB by BMI category

From: Prevalence, evaluation and management of overactive bladder in primary care

  Risk Ratio (RR)**
Comparison group* RR 95% CI p
All women    
   BMI 25.0–29.9 --- --- .091
   BMI ≥30.0 1.72 1.04 – 2.84 .018
Premenopausal women    
   BMI 25.0–29.9 --- --- .394
   BMI ≥30.0 1.98 1.05 – 3.74 .011
Postmenopausal women    
   BMI 25.0–29.9 --- --- .072
   BMI ≥30.0 --- --- .188
  1. *Women in the corresponding age group with BMI < 25 served as the reference group
  2. ** Risk ratio was calculated only when p < .05;
  3. Risk ratio = prevalence of OAB in women with comparison BMI/prevalence of OAB in women with reference BMI of < 25