Variable | Breast cancer incidence | All-cause mortality | Cancer mortality | Non-cancer mortality |
---|---|---|---|---|
Age at entry | + | + | + | + |
Interaction of age at entry and time to event | + | - | - | - |
Ethnic origin (Foreign) | - | - | - | + |
Length of estrogen/progesterone used (months) | - | + | + | + |
Menstruation length (years) | + | + | + | - |
Had a hysterectomy | - | + | - | + |
Had a bi-lateral oophorectomy | - | - | + | - |
Number of live births | + | + | + | - |
Interaction of nulliparous level and time to event | + | - | - | - |
Breast Self examination (BSE) practise | - | + | + | - |
Cigarettes smoked per day | - | + | + | + |
Ever noted lumps in breasts | + | + | - | + |
Interaction of lumps and time to event | + | - | - | - |
Ever noted discharge from breasts | - | + | - | + |
Ever have/had other types of breast disease | + | - | - | - |
Abnormality in left breast found by nurse | + | - | - | - |
Age at first child birth | - | + | + | - |
Number of pregnancies | - | - | + | - |
Families with breast cancer score | + | - | - | - |
+ indicates the factor is significant | ||||
- indicates the factor is not significant |