Table 3.
Final main effects model of risk factors for cancer
| Covariate | Odds ratio (95% CI) | P value |
|---|---|---|
| History of benign breast disease v no history (n=120) | 0.25 (0.13 to 0.50) | 0.000 |
| Age (years) | 1.12 (1.08 to 1.15) | 0.000 |
| Body mass index (kg/m2) | 1.08 (1.01 to 1.14) | 0.017 |
| Ever had hormone replacement therapy (n=107) | 0.54 (0.29 to 1.0) | 0.05 |
| Units alcohol/week v non-drinkers: | ||
| 0-4 (n=97) | 1.34 (0.61 to 2.96) | 0.47 |
| 5-9 (n=72) | 2.06 (0.84 to 5.05) | 0.113 |
| ⩾10 (n=66) | 2.98 (1.26 to 7.06) | 0.013 |
| ⩾1 severe life event (n=212) | 0.91 (0.47 to 1.78) | 0.79 |
| 4 week difficulty (n=134) | 0.86 (0.41 to 1.81) | 0.69 |
| 2 year non-personal health difficulty (n=40) | 0.53 (0.12 to 2.31) | 0.39 |
| 2 year personal health difficulty (n=56) | 2.72 (0.68 to 10.9) | 0.16 |