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Table 2 Multivariate analysis of factors associated with the presence of HMB

From: Heavy menstrual bleeding among women aged 18–50 years living in Beijing, China: prevalence, risk factors, and impact on daily life

Factors

Adjusted OR a

95% CI

P value

Uterine fibroids

 Yes

2.12

1.42–3.16

< 0.001

 No

Reference

  

Age (years)

  ≤ 24

1.86

1.13–3.08

0.015

 25–29

1.79

1.09–2.94

0.022

 30–34

1.58

0.97–2.58

0.067

 35–39

1.75

1.07–2.89

0.027

 40–44

1.00

0.58–1.73

0.989

  ≥ 45

Reference

  

Alcohol consumption

 Never

Reference

  

 Occasionally

1.37

1.09–1.73

0.007

 Regularly

2.78

1.20–6.46

0.017

 Former user

0.51

0.06–4.01

0.519

Number of abortions

 0

Reference

  

 1

1.16

0.85–1.60

0.357

 2

1.49

0.97–2.27

0.066

  ≥ 3

3.44

1.82–6.49

< 0.001

  1. CI confidence interval, HMB heavy menstrual bleeding, OR odds ratio
  2. aOR calculated in multivariate logistic regression analyses with a backward elimination method based on maximum likelihood