Number of breast healthy behaviors participated in | FHLBC | Cases | Woman-years | Rate (per 10,000 woman-years) | Rate difference | Attributable proportion |
---|---|---|---|---|---|---|
All three | Yes | 25 | 4,206 | 59 | 24 | 41% |
 | No | 108 | 30,807 | 35 |  |  |
Two | Yes | 95 | 17,136 | 55 | 14 | 25% |
 | No | 544 | 130,438 | 42 |  |  |
One | Yes | 182 | 29,020 | 63 | 23 | 36% |
 | No | 901 | 225,716 | 40 |  |  |
None | Yes | 25 | 3,585 | 70 | 23 | 33% |
 | No | 117 | 25,002 | 47 |  |  |