Table 1

Characteristics of cases and controls in the Long Island Study population

Cases (n = 232)Controls (n = 323)P
n%n%
Age
<50793417855
50–5955246620
60–6954234815
70–8244193110<0.001
Education
≤ High school903911235
≤ College graduate903913542
Postgraduate522276240.61
Race
White2058828689
Non-white271237110.95
Residence
New York City984212940
Nassau994314746
Suffolk29133912
Other63820.93
Religion
Protestant27123411
Catholic893815849
Jewish974211335
Other/none/refused1981860.09
First-degree family history of breast cancer
No1918328589
Yes401737110.05
BMI
≤23.03672911937
23.04–27.01783410533
≥27.02833699310.16
Menopausal status
Premenopausal944118156
Postmenopausal1365914044<0.001
Age at menopause
≤4928215237
5042314129
≥5164484633<0.01
Age at first live birth, parous women
<2354268634
23–2673358433
≥27844084330.13