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Table 4 Logistic multivariate regression analysis of risk factors for SUI

From: Epidemiological survey of adult female stress urinary incontinence

Risk factors β SE Wald P OR 95% CI
Place of residence 0.21 0.09 5.1 0.03 1.2 1.0–1.5
Smoking 0.62 0.25 5.8 0.02 1.8 1.1–3.0
BMI (kg/m2)    105 < 0.001   
 18.5–24 0.46 0.14 11 0.001 1.6 1.2–2.1
 > 24 0.87 0.09 103 < 0.001 2.4 2.0–2.8
Age (years)    4.7 0.32   
 30–39 0.09 0.15 0.4 0.54 1.1 0.82–1.5
 40–49  − 0.12 0.15 0.6 0.43 0.89 0.67–1.2
 50–59 0.12 0.21 0.3 0.55 1.1 0.75–1.7
  ≥ 60 0.13 0.23 0.3 0.57 1.1 0.72–1.8
Diet    45 < 0.001   
 Mainly vegetables and fruits  − 1.4 0.25 32 < 0.001 0.25 0.16–0.41
 Mainly meat protein  − 0.09 0.04 5.5 0.02 0.91 0.84–0.99
 Balanced diet consisting of three types above  − 1.2 0.36 11 0.001 0.31 0.15–0.62
 Sexual history 0.12 0.15 0.6 0.44 1.1 0.84–1.5
Number of deliveries    24 < 0.001   
 1–2 0.23 0.1 5.4 0.02 1.3 1.0–1.5
  ≥ 3 0.96 0.2 24 < 0.001 2.6 1.8–3.8
Mode of delivery 0.72 0.13 32 < 0.001 2 1.6–2.6
Dystocia 0.28 0.08 13 < 0.001 1.3 1.1–1.6
Menopause 0.36 0.12 8.3 0.004 1.4 1.1–1.8
Oral contraceptives 0.25 0.1 6.3 0.01 1.3 1.1–1.5
Urinary tract infection 0.35 0.09 15 < 0.001 1.4 1.2–1.7
Making the bladder empty faster by pushing down 0.42 0.11 15 < 0.001 1.5 1.2–1.9
Holding urine 0.51 0.08 41 < 0.001 1.700 1.4–1.9
  1. SUI stress urinary incontinence, BMI body mass index, SE standard error, CI confidence interval, OR odds ratio