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Table 2 Crude rates of liver-related event. Events per 1000 participant years (95% confidence intervals)

From: Association between skirt size and chronic liver disease in post-menopausal women: a prospective cohort study within the United Kingdom Trial of Ovarian Cancer Screening (UKCTOCS)

Exposure

Event rate

BMI (kg/m2)

< 25

0.453 (0.369–0.550)

25- < 30

0.661 (0.549–0.788)

≥30

1.044 (0.847–1.273)

Skirt size in 20s

≤ 16

0.621 (0.553–0.696)

≥ 18

1.124 (0.677–1.755)

Skirt size at questionnaire completion

≤ 16

0.550 (0.479–0.629)

≥ 18

0.928 (0.762–1.120)

Change in skirt size/year

Decrease

0.3867 (0.206–0.661)

No change

0.599 (0.449–0.784)

Increase

0.669 (0.590–0.757)