Table 4.
Competing risks regression models of factors associated with survival, NSW Cancer Registry 2000–2008
| Unadjusted model | Model 1a | Model 2b | Model 3c | |
|---|---|---|---|---|
| SHR (95% CI) | SHR (95% CI) | SHR (95% CI) | SHR (95% CI) | |
| Aboriginal | 1.47 (1.38–1.57) | 1.76 (1.65–1.88) | 1.54 (1.44–1.65) | 1.40 (1.31–1.50) |
| Male | 1.07 (1.05–1.08) | 1.01 (0.99–1.02) | 1.07 (1.05–1.08) | 1.07 (1.05–1.08) |
| Age at diagnosis | ||||
| 0–39 | 1 | 1 | 1 | 1 |
| 40–49 | 1.52 (1.44–1.60) | 1.52 (1.45–1.61) | 1.39 (1.32–1.46) | 1.54 (1.47–1.63) |
| 50–59 | 1.97 (1.88–2.07) | 2.00 (1.91–2.10) | 1.78 (1.70–1.86) | 1.93 (1.84–2.02) |
| 60–64 | 2.26 (2.15–2.37) | 2.30 (2.19–2.41) | 2.01 (1.92–2.11) | 2.14 (2.04–2.25) |
| 65–69 | 2.54 (2.43–2.67) | 2.58 (2.46–2.70) | 2.25 (2.15–2.36) | 2.36 (2.25–2.48) |
| 70–74 | 3.23 (3.09–3.38) | 3.25 (3.10–3.40) | 2.73 (2.61–2.86) | 2.80 (2.67–2.94) |
| 75–79 | 3.79 (3.62–3.97) | 3.84 (3.67–4.02) | 3.19 (3.04–3.34) | 3.26 (3.10–3.42) |
| 80–84 | 4.59 (4.39–4.81) | 4.72 (4.50–4.94) | 3.89 (3.71–4.08) | 4.01 (3.82–4.21) |
| 85+ | 5.78 (5.52–6.06) | 5.99 (5.71–6.28) | 4.84 (4.61–5.08) | 5.20 (4.95–5.47) |
| Residential remoteness | ||||
| Major cities | 1 | 1 | 1 | 1 |
| Inner regional | 1.01 (1.00–1.03) | 0.92 (0.91–0.94) | 0.96 (0.94–0.98) | 1.02 (1.00–1.04) |
| Outer regional | 1.06 (1.03–1.09) | 0.94 (0.92–0.97) | 0.98 (0.96–1.01) | 1.05 (1.02–1.08) |
| Remote/ Very remote | 1.12 (1.03–1.22) | 0.99 (0.91–1.08) | 0.96 (0.87–1.05) | 1.01 (0.92–1.11) |
| SEIFA quintile | ||||
| 1 (least disadvantaged) | 1 | 1 | 1 | 1 |
| 2 | 1.16 (1.13–1.18) | 1.19 (1.17–1.22) | 1.12 (1.10–1.15) | 1.09 (1.06–1.11) |
| 3 | 1.22 (1.20–1.25) | 1.25 (1.22–1.28) | 1.18 (1.15–1.21) | 1.14 (1.12–1.17) |
| 4 | 1.27 (1.25–1.30) | 1.29 (1.27–1.32) | 1.22 (1.19–1.25) | 1.17 (1.15–1.20) |
| 5 (most disadvantaged) | 1.30 (1.27–1.32) | 1.38 (1.35–1.41) | 1.24 (1.21–1.27) | 1.15 (1.12–1.18) |
| Stage | ||||
| Localised | 1 | − | 1 | 1 |
| Regional | 2.43 (2.38–2.48) | − | 2.40 (2.35–2.46) | 1.92 (1.88–1.96) |
| Distant | 11.08 (10.87–11.29) | − | 10.32 (10.12–10.53) | 5.59 (5.47–5.72) |
| Unknown | 2.45 (2.40–2.50) | − | 2.15 (2.11–2.19) | 1.60 (1.56–1.64) |
SHR subhazard ratio, CI confidence interval, SEIFA socio-economic index for areas (Index of relative socio-economic disadvantage).
aModel 1 adjusted for age, sex, year of diagnosis, remoteness and SEIFA
bModel 2 further adjusted for stage at diagnosis.
cModel 3 further adjusted for cancer site.