Table 2 Odds ratio and 95% confidence intervals (CI) of menstrual irregularities

From: Body mass index and menstrual irregularity in a prospective cohort study of smartphone application users

 

IMB

AMB

BMI categories

n (%)

OR

95% CI

n (%)

OR

95% CI

Underweight (n = 1209)

89 (7.4)

1.40

(0.99, 1.98)

60 (5.0)

1.78

(1.17, 2.70)

Normal (n = 5185)

303 (5.8)

ref

–

169 (3.3)

ref

–

Overweight (n = 1124)

87 (7.7)

1.56

(1.11, 2.18)

42 (3.7)

1.29

(0.81, 2.04)

Obese (n = 1227)

136 (11.1)

2.63

(1.97, 3.50)

78 (6.4)

1.94

(1.33, 2.83)

  1. AMB absent menstrual bleeding, IMB infrequent menstrual bleeding.
  2. Bold numbers indicate statistical significance (p < 0.05).
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