Table 5

Relative risk for OAB by BMI category

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


*Women in the corresponding age group with BMI < 25 served as the reference group

** Risk ratio was calculated only when p < .05;

Risk ratio = prevalence of OAB in women with comparison BMI/prevalence of OAB in women with reference BMI of < 25

Cheung et al. BMC Family Practice 2009 10:8   doi:10.1186/1471-2296-10-8

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