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Table 5 Competing risk regression analysis for cancer survival among Aboriginal and matched non-Aboriginal cohorts, South Australia 1990–2010

From: Disparities in breast screening, stage at diagnosis, cancer treatment and the subsequent risk of cancer death: a retrospective, matched cohort of aboriginal and non-aboriginal women with breast cancer

  Model 1 - baseline Model 2 - BSSA listed Model 3 - BSSA screened
Subhazard Risk Ratio 95% CIs z p > |z| Subhazard Risk Ratio 95% CIs z p > |z| Subhazard Risk Ratio 95% CIs z p > |z|
Aboriginal
 No 1.00 Reference    1.00 Reference       
 Yes 5.13 1.22–21.66 2.23 0.026 4.81 1.12–20.66 2.11 0.035     
Stage at diagnosis
 Local 1.00 Reference    1.00 Reference    1.00 Reference   
 Regional 14.21 0.76–264.00 1.78 0.075 14.07 0.80–246.18 1.81 0.070 7.88 1.90–32.64 2.85 0.004
 Distant or Unknown 13.74 1.77–106.94 2.50 0.012 13.79 1.67–113.85 2.44 0.015 17.68 3.93–79.61 3.74 0.000
Listed with BSSA
 No      1.00 Reference       
 Yes      0.71 0.16–3.10 −0.46 0.647     
Screened by BSSA
 No          1.00 Reference   
 Yes          0.13 0.03–0.66 −2.46 0.014
Systemic therapy
 No             
 Yes             
Surgical treatment
 No             
 Yes             
Mastectomy
 No mastectomy             
 Partial             
 Simple/ subcutaneous             
 AIC 30.1     32.0     32.0