Table 5 |
||
|
Comparison of those who did and did not give sufficient information and/or permission for follow up |
||
| Sufficient information and/or permission for follow-up |
||
|
|
||
| Characteristic |
Yes (n = 113 104) |
No (n = 8025) |
|
|
||
| Average age (years) |
56.1 |
56.2 |
| Average age at leaving school (years) |
15 |
15 |
| Average height (m) |
1.62 |
1.62 |
| Average weight (kg) |
68.5 |
67.5 |
| Current smoker (%) |
18 |
18 |
| Drink alcohol (%) |
78 |
72 |
| Exercise at least once a week (%) |
43 |
42 |
| Parous (%) |
89 |
84 |
| Average number of children |
2.4 |
2.4 |
| Average age at first birth (years) |
24.0 |
24.3 |
| Previous breast cancer screen (%) |
79 |
76 |
| Previous diagnosis of breast cancer (%) |
1.4 |
0.9 |
| Mother or sister with a history of breast |
9 |
8 |
| cancer (%) |
||
| Previous use of oral contraceptives (%) |
54 |
45 |
| Current use of HRT (%) |
33 |
25 |
| Past use of HRT (%) |
15 |
14 |
|
|
||
|
HRT, hormone replacement therapy. |
||
|
The Million Women Study Collaborative Group Breast Cancer Res 1999 1:73 doi:10.1186/bcr16 |
||
