Screening characteristics | Characteristic category | Proportion of events where a woman returned to screening after 49 (%) | Multivariable adjusted odds ratio (95% CI) | P valued |
---|---|---|---|---|
Breast density notification | Not notified | 10,804/33,937 (31.8%) | Reference | < 0.0001 |
Notified | 2495/12,483 (20.0%) | 0.52 (0.48, 0.55) | ||
Age (years) | (continuous) | 1.47 (1.45, 1.49) | < 0.0001 | |
Screening round | First | 5728/26,732 (21.4%) | Reference | < 0.0001 |
Second | 3760/11,505 (32.7%) | 1.26 (1.19, 1.34) | ||
Third+ | 3811/8183 (46.6%) | 1.49 (1.39, 1.60) | ||
Aboriginal | No | 12,966/44,775 (29.0%) | Reference | 0.0062 |
Yes | 333/1645 (20.2%) | 0.78 (0.66, 0.93) | ||
Family history (FH) | No history | 10,995/38,997 (28.2%) | Reference | < 0.0001 |
Family history | 1468/4657 (31.5%) | 1.17 (1.07, 1.28) | ||
Significant FH | 836/2766 (30.2%) | 1.13 (1.01, 1.26) | ||
English at home | Yes | 11,562/39,953 (28.9%) | Reference | 0.5817 |
No | 1737/6467 (26.9%) | 0.97 (0.88, 1.07) | ||
Disability | No | 13,221/46,169 (28.6%) | Reference | 0.5642 |
Yes | 78/251 (31.0%) | 0.90 (0.63, 1.28) | ||
COBa | Australasia | 8207/29,769 (27.6%) | Reference | < 0.0001 |
America/EU/UK | 3311/9822 (33.7%) | 1.21 (1.13, 1.29) | ||
Asia | 1180/4451 (26.5%) | 1.02 (0.90, 1.14) | ||
Africa | 601/2378 (25.3%) | 0.90 (0.79, 1.02) | ||
SEIFAb | High | 7938/27,291 (29.1%) | Reference | < 0.0001 |
Medium | 3237/10,666 (30.3%) | 0.98 (0.91, 1.04) | ||
Low | 2124/8463 (25.1%) | 0.80 (0.74, 0.87) | ||
ARIAc | Major city | 10,117/34,988 (28.9%) | Reference | < 0.0001 |
Inner regional | 1732/5150 (33.6%) | 1.33 (1.22, 1.45) | ||
Outer regional | 836/3164 (26.4%) | 0.92 (0.83, 1.03) | ||
Remote | 427/2107 (20.3%) | 0.65 (0.57, 0.76) | ||
Very remote | 187/1011 (18.5%) | 0.64 (0.51, 0.79) |