Table 1: Baseline Characteristics

VARIABLES	CONTROLS N=250	CASES N=204
Premenopausal women	125	108
Age (years)	39.6	40.3
Age at menarche (years)	12.1	12.7
Postmenopausal women	125	96
Age (years)	62.5	62.9
Age at menopause (years)	47.2	48.0
Age at menarche (years)	12.6	12.8