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Table 3 Analysis of women with heavy menstrual blood loss compared to women without heavy menstrual blood loss according to BMI categories

From: Is body mass index associated with irregular menstruation: a questionnaire study?

BMI categories

Heavy (number, %)

Not heavy (number, %)

Odds Ratio

95% CL

P value

Normal weight (reference) (n = 592)

145 (24%)

447 (76%)

Obese (n = 47)

20 (42%)

27 (58%)

2.28

1.244, 4.193

0.004

Overweight (n = 252)

73 (29%)

179 (71%)

1.26

0.903,1.749

0.088

Underweight (n = 121)

14 (12%)

107 (88%)

0.4034

0.224,0.725

0.0005

  1. CL confidence limits