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Table 4 Analysis of pads used during menses according to BMI categories

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

BMI categories

Pads/day (number, mean ± SD)

P value (Mann-Whitney test)

Normal weight (n = 592)

(reference)

2.75 ± 0.86

Obese (n = 47)

3.21 ± 1.00

P = 0.0012

Overweight (n = 252)

2.93 ± 0.90

P = 0.003

Underweight (n = 121)

2.43 ± 0.77

P = 0.0001