Table 7 Adjusted risk for all statistically significant factors for cancer-specific mortality

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