Advertisement
Table 7 Adjusted risk for all statistically significant factors for cancer-specific mortality
| Variable | Parameter Estimate | HR (95% CI) | P |
|---|---|---|---|
| Age at entry | 0.10405 | 1.11 (1.09-1.13) | <.0001 |
| Length of estrogen/progesterone used (months) | −0.00308 | 0.997 (0.995-0.999) | 0.0132 |
| Menstruation length (years) | −0.01369 | 0.986 (0.974-0.999) | 0.0406 |
| Had a bi-lateral oophorectomy (Ref*: No) | |||
| Yes | 0.29487 | 1.34 (1.05-1.72) | 0.0206 |
| Number of live births (Ref: 1–2) | 0.0062 | ||
| Nulliparous | −0.08554 | 0.92 (0.69-1.22) | 0.5574 |
| 3-4 | −0.30281 | 0.74 (0.56-0.98) | 0.0364 |
| > = 5 | −0.77717 | 0.46 (0.30-0.71) | 0.0005 |
| Breast self examination (BSE) practise (Ref: No) | |||
| Yes | −0.17698 | 0.84 (0.71-0.94) | 0.0424 |
| Cigarettes smoked per day (Ref: 0 per day) | <.0001 | ||
| Occasionally | 0.24987 | 1.28 (0.72-2.30) | 0.3998 |
| 1-5 per day | −0.01604 | 0.98 (0.68-1.44) | 0.9335 |
| 6-10 per day | −0.10999 | 0.90 (0.63-1.27) | 0.5326 |
| 11-25 per day | 0.54201 | 1.72 (1.41-2.10) | <.0001 |
| 26-50 per day | 1.06327 | 2.90 (2.19-3.83) | <.0001 |
| >50 per day | 1.02201 | 2.78 (1.03-7.51) | 0.0438 |
| Number of pregnancies (Ref: 1–2) | 0.0136 | ||
| 3-4 | 0.04212 | 1.04 (0.78-1.40) | 0.7812 |
| 5-10 | 0.20064 | 1.22 (0.84-1.78) | 0.2913 |
| 11-17 | 1.19964 | 3.32 (1.58-6.97) | 0.0015 |
| Age at first child birth (Ref: 20–25) | 0.0185 | ||
| 14-19 | 0.33392 | 1.40 (1.06-1.84) | 0.0185 |
| 26-30 | −0.21654 | 0.81 (0.64-1.02) | 0.0741 |
| 31-34 | −0.28472 | 0.75 (0.50-1.14) | 0.1824 |
| 35-39 | −0.32799 | 0.72 (0.39-1.33) | 0.2943 |
| 40-49 | −0.68653 | 0.50 (0.07-3.60) | 0.4942 |
