Table 2.

Multivariate models for additional breast cancer events and mortality

VariableN in categoryAdditional breast cancer eventsMortality
N eventsHR95% CIN eventsHR95% CI
Minimal alcohol intake (<10 g/mo)1,1332131.001391.00
    Light alcohol intake (10-290 g/mo)1,3212050.89(0.73-1.08)1240.81(0.63-1.04)
    Moderate/heavy alcohol intake (>300 g/mo)6341000.91(0.71-1.18)520.69(0.49-0.97)
Never smoker1,6432731.001501.00
    Ever smoker1,4142371.01(0.84-1.21)1591.32(1.04-1.66)
Not college graduate1,4142601.001711.00
    College graduate1,6742580.81(0.67-0.97)1440.74(0.58-0.94)
Parous2,3823861.002331.00
    Nulliparous6831271.26(1.02-1.55)791.37(1.05-1.79)
Normal weight1,2992121.001131.00
    Overweight9551480.91(0.74-1.13)920.98(0.74-1.30)
    Obese8031511.10(0.88-1.38)1051.28(0.97-1.70)

NOTE: Models are controlled for cancer stage, grade, years between diagnosis and study entry, physical activity, and ethnicity in addition to all variables listed in the body of the table.