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 |