Table 6 Adjusted risk for all statistically significant factors for all-cause mortality excluding breast cancer death

Age at entry

0.11115

1.12 (1.10-1.13)

<.0001

Length of estrogen/progesterone used (months)

−0.00285

0.997 (0.995-0.999)

0.0019

Menstruation length (years)

−0.01088

0.989 (0.979-1.000)

0.0458

Had a hysterectomy (Ref^*: No)

Had a hysterectomy (Ref^*: No)

Yes

0.19090

1.21 (1.04-1.41)

0.0153

Number of live births (Ref: 1–2)

0.0282

Nulliparous

−0.00203

0.998 (0.810-1.230)

0.9848

3-4

−0.17410

0.0300

> = 5

−0.27340

0.84 (0.72-0.98)

0.76 (0.61-0.95)

0.0180

Breast self examination (BSE) practise (Ref: No)

Yes

−0.18797

0.83 (0.73-0.94)

0.0048

Cigarettes smoked per day (Ref: 0 per day)

<.0001

Occasionally

0.18753

1.21 (0.76-1.91)

1-5 per day

0.11747

1.13 (0.86-1.48)

0.4257

6-10 per day

0.04960

1.05(0.82-1.35)

0.3996

11-25 per day

0.55745

1.75 (1.50-2.04)

0.6960

26-50 per day

1.01296

2.75 (2.21-3.43)

<.0001

>50 per day

1.39405

4.03 (2.08-7.82)

<.0001

<.0001

Ever noted lumps in breasts (Ref: No)

 Yes

0.28345

1.33 (1.02-1.72)

0.0333

Ever noted discharge from breasts (Ref: No)

 Yes

0.39762

1.49 (1.01-2.19)

0.0430

Age at first child birth (Ref: 20–25)

0.0053

 14-19

0.34338

1.41 (1.14-1.74)

0.0016

 26-30

−0.10960

0.90 (0.75-1.07)

0.2284

 31-34

−0.08054

0.92 (0.68-1.25)

0.6017

 35-39

−0.29037

0.75 (0.46-1.21)

0.2351

 40-49

−1.16225

0.31 (0.04-2.23)

0.2463