Table 2.
Estimated annual percentage changes (95% CI) of the age-standardized breast cancer mortality rates and estimated age-specific annual percentage change (95% CI) over time
| Educational level | ||||
|---|---|---|---|---|
| Total | None or primary | Secondary | Tertiary | |
| Net drift (95% CI) | 1.87 (1.63-2.11) | 3.85 (1.23-6.53) | 1.89 (1.51-2.27) | -0.34 (-1.11-0.43) |
| p-value | <0.001 | 0.004 | <0.001 | 0.386 |
| Local drifts (95% CI) | ||||
| 25-29 | -0.40 (-1.35-0.55) | -4.45 (-20.42-14.72) | 1.35 (-0.19-2.90) | -0.29 (-1.93-1.39) |
| 30-34 | 0.67 (0.18-1.16) | 4.29 (0.80-7.90) | 2.08 (1.36-2.81) | -0.14 (-1.26-1.00) |
| 35-39 | 1.79 (1.46-2.12) | 6.13 (4.68-7.60) | 2.80 (2.34-3.26) | 0.40 (-0.59-1.40) |
| 40-44 | 1.82 (1.54-2.09) | 5.75 (4.97-6.54) | 1.92 (1.53-2.32) | 0.09 (-0.85-1.04) |
| 45-49 | 2.28 (2.03-2.54) | 5.22 (4.76-5.68) | 1.43 (1.04-1.82) | -0.36 (-1.36-0.65) |
| 50-54 | 3.02 (2.72-3.31) | 4.83 (4.43-5.24) | 1.29 (0.77-1.81) | -1.14 (-2.46-0.20) |
| 55-59 | 3.87 (3.41-4.33) | 4.44 (3.89-4.99) | 2.23 (1.16-3.31) | -0.99 (-3.43-1.51) |
| p-value | <0.001 | 0.001 | <0.001 | 0.272 |
Net drift: Estimated annual percentage changes of the age-standardized rates
Local drifts: Estimated age-specific annual percentage change over time