Table 2.
Multivariate models* for additional breast cancer events and mortality
| N in category |
Additional Breast Cancer Events |
Mortality | |||||
|---|---|---|---|---|---|---|---|
| Variable | N Events |
HR | 95% CI | N Events |
HR | 95% CI | |
| Minimal alcohol intake (< 10 g/mo) | 1133 | 213 | 1.00 | 139 | 1.00 | ||
| Light alcohol intake (10 -290 g/mo) | 1321 | 205 | 0.89 | (0.73, 1.08) | 124 | 0.81 | (0.63-1.04) |
| Moderate/heavy alcohol intake (> 300 g/mo) | 634 | 100 | 0.91 | (0.71, 1.18) | 52 | 0.69 | (0.49, 0.97) |
| Never smoker | 1643 | 273 | 1.00 | 150 | 1.00 | ||
| Ever smoker | 1414 | 237 | 1.01 | (0.84-1.21) | 159 | 1.32 | (1.04-1.66) |
| Not college graduate | 1414 | 260 | 1.00 | 171 | 1.00 | ||
| College graduate | 1674 | 258 | 0.81 | (0.67, 0.97) | 144 | 0.74 | (0.58, 0.94) |
| Parous | 2382 | 386 | 1.00 | 233 | 1.00 | ||
| Nulliparous | 683 | 127 | 1.26 | (1.02, 1.55) | 79 | 1.37 | (1.05, 1.79) |
| Normal weight | 1299 | 212 | 1.00 | 113 | 1.00 | ||
| Overweight | 955 | 148 | 0.91 | (0.74, 1.13) | 92 | 0.98 | (0.74-1.30) |
| Obese | 803 | 151 | 1.10 | (0.88, 1.38) | 105 | 1.28 | (0.97, 1.70) |
*
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.