Table I.

Baseline characteristics of 17 357 Dutch women from the Prospect-EPIC cohort.

	Mean ± SD
Follow-up time from birth (year)	66.9 ± 6.7
Age at intake (year)	57.1 ± 6.0
BMI (kg/m2)	26.0 ± 4.10
Waist circumference (cm)	83.8 ± 10.2
Alcohol intake (g/week)	9.1 ± 12.6
Oral contraceptive pill use (year)	5.4 ± 6.8
Live born children	2.4 ± 1.5
Smoking, n (%)
Current smoker	3790 (21.8)
Former smoker	6073 (35.0)
Non-smoker	7494 (43.2)
Physical activity, n (%)
Inactive	1301 (7.5)
Moderate inactive	4612 (26.6)
Moderate active	4437 (25.6)
Active	7007 (40.4)
Educational level, n (%)
Low	13311 (76.7)
Medium	1249 (7.2)
High	2270 (13.1)