Table 2 Breast-cancer incidence proportion from 1980-1990 to 1995-2005 in France
Age in the cohort | Incidence proportion of breast cancer diagnosis for 11 year periods | Incidence proportion attributable to change in risk factor exposure from 1980-1990 to 1995-2005 | Relative change in adjusted incidence proportion attributable to overdiagnosis | |||
|---|---|---|---|---|---|---|
Cases per 1000 | Cases per 1000 | Adjusted relative increase | ||||
(1) | (2) | (3) | (4) | (5) | {(2)-(1)-(3)-(4)-(5)}/(1) | |
1980 - 1990 | 1995 - 2005 | HRT | Alcohol | Obesity | ||
50-64 | 20.4 | 36.8 | .82 | - .40 | .48 | 76.0% 95% CL:66.7; 85.0 |
65-79 | 24.3 | 30.9 | .89 | - .25 | .33 | 23.0 % 95% CL: 15.2%; 30.9% |