Table 3.
Multivariate ORs for death-certificate-only, death-certificate +30-day mortality and death certificate +90-day mortality groups
| OR | p Value (LRT) | OR | p Value (LRT) | OR | p Value (LRT) | |
|---|---|---|---|---|---|---|
| Death-certificate-only (95% CI) | Death certificate +30 (95% CI) | Death certificate +90 (95% CI) | ||||
| Age at diagnosis (years) | ||||||
| 30–39 | 0.23 (0.03 to 1.71) | 0.19 (0.06 to 0.61) | 0.20 (0.09 to 0.45) | |||
| 40–44 | 1.24 (0.59 to 2.61) | 0.74 (0.45 to 1.22) | 0.64 (0.43 to 0.94) | |||
| 45–49 | 0.96 (0.55 to 1.67) | 0.61 (0.43 to 0.88) | 0.62 (0.48 to 0.81) | |||
| 50–54 | 1.16 (0.77 to 1.73) | 0.69 (0.53 to 0.89) | 0.64 (0.53 to 0.78) | |||
| 55–59 | 0.78 (0.55 to 1.11) | 0.79 (0.65 to 0.95) | 0.81 (0.70 to 0.94) | |||
| 60–64 | 0.83 (0.62 to 1.12) | 0.81 (0.69 to 0.96) | 0.88 (0.78 to 1.00) | |||
| 65–69 | 1 | <0.001 | 1 | <0.001 | 1 | <0.001 |
| 70–74 | 1.38 (1.08 to 1.77) | 1.07 (0.93 to 1.24) | 1.13 (1.01 to 1.26) | |||
| 75–79 | 1.73 (1.37 to 2.19) | 1.30 (1.13 to 1.50) | 1.39 (1.25 to 1.55) | |||
| >80 | 2.28 (1.83 to 2.85) | 1.90 (1.66 to 2.16) | 1.80 (1.62 to 1.99) | |||
| Sex | ||||||
| Male | 1.21 (1.06 to 1.37) | 1.12 (1.04 to 1.22) | 1.17 (1.10 to 1.24) | |||
| Female | 1 | 0.004 | 1 | 0.005 | 1 | <0.001 |
| Townsend deprivation quintile | ||||||
| 1 | 1 | <0.001 | 1 | 0.005 | 1 | 0.017 |
| 2 | 1.06 (0.85 to 1.32) | 1.03 (0.90 to 1.18) | 1.00 (0.91 to 1.11) | |||
| 3 | 1.12 (0.90 to 1.39) | 1.08 (0.95 to 1.23) | 1.07 (0.96 to 1.18) | |||
| 4 | 1.44 (1.17 to 1.78) | 1.14 (1.00 to 1.30) | 1.07 (0.96 to 1.18) | |||
| 5 | 1.57 (1.25 to 1.97) | 1.28 (1.11 to 1.47) | 1.16 (1.04 to 1.30) | |||
| Missing | 1.35 (0.82 to 2.22) | 0.92 (0.68 to 1.25) | 0.86 (0.69 to 1.08) | |||
| Smoking status | ||||||
| Never smoker | 1 | <0.001 | 1 | <0.001 | 1 | <0.001 |
| Ex-smoker | 0.48 (0.39 to 0.58) | 0.66 (0.58 to 0.76) | 0.87 (0.78 to 0.97) | |||
| Current smoker | 0.80 (0.65 to 0.98) | 1.14 (1.00 to 1.31) | 1.43 (1.28 to 1.61) | |||
| Missing | 1.31 (1.00 to 1.71) | 1.85 (1.53 to 2.23) | 1.89 (1.60 to 2.23) | |||
| Charlson score | ||||||
| 0 | 1 | 0.125 | 1 | 0.168 | 1 | 0.234 |
| 1 | 1.17 (0.99 to 1.38) | 1.02 (0.92 to 1.13) | 0.96 (0.89 to 1.05) | |||
| 2–3 | 1.20 (1.02 to 1.41) | 1.03 (0.93 to 1.14) | 1.02 (0.94 to 1.11) | |||
| >4 | 1.10 (0.87 to 1.41) | 1.19 (1.02 to 1.38) | 1.09 (0.97 to 1.24) | |||
| Consultations and CXR* | ||||||
| Low, no CXR | 1 | <0.001 | 1 | <0.001 | 1 | <0.001 |
| Medium, no CXR | 1.43 (1.19 to 1.71) | 1.43 (1.27 to 1.62) | 1.43 (1.29 to 1.59) | |||
| High, no CXR | 1.05 (0.86 to 1.27) | 1.06 (0.94 to 1.21) | 0.96 (0.86 to 1.06) | |||
| Low, CXR | 0.28 (0.23 to 0.35) | 0.45 (0.40 to 0.51) | 0.54 (0.49 to 0.59) | |||
| Medium, CXR | 0.50 (0.40 to 0.63) | 0.80 (0.70 to 0.91) | 0.90 (0.82 to 1.00) | |||
| High, CXR | 0.88 (0.68 to 1.13) | 0.83 (0.70 to 0.98) | 0.81 (0.71 to 0.93) | |||
| Number in household | ||||||
| Lives alone | 1 | 0.025 | 1 | 0.019 | 1 | 0.204 |
| >1 person | 1.17 (1.01 to 1.36) | 0.035† | 1.09 (1.00 to 1.19) | 0.057† | 1.01 (0.94 to 1.08) | 0.912† |
| Unknown | 1.39 (1.05 to 1.84) | 1.28 (1.06 to 1.55) | 1.16 (0.98 to 1.36) | |||
| Urban vs rural | ||||||
| Urban | 1 | <0.001 | 1 | <0.001 | 1 | <0.001 |
| Town and fringe | 1.60 (1.32 to 1.95) | 1.13 (0.99 to 1.28) | 1.10 (0.99 to 1.22) | |||
| Rural | 1.69 (1.30 to 2.20) | 1.31 (1.10 to 1.56) | 1.22 (1.06 to 1.41) | |||
| Unknown | 0.50 (0.40 to 0.64) | 0.68 (0.60 to 0.78) | 0.79 (0.71 to 0.87) | |||
| Practice CXR quartile (per 100 population) | ||||||
| 1–2.73 | 1 | <0.001 | 1 | <0.001 | 1 | <0.001 |
| 2.74–3.84 | 0.71 (0.56 to 0.89) | 0.96 (0.84 to 1.09) | 1.03 (0.93 to 1.14) | |||
| 3.85–5.33 | 1.72 (1.42 to 2.09) | 1.38 (1.22 to 1.56) | 1.28 (1.16 to 1.40) | |||
| ≥5.34 | 1.78 (1.47 to 2.16) | 1.52 (1.35 to 1.71) | 1.41 (1.29 to 1.55) | |||
| Practice lung cancer quartile (per 100 000 population) | ||||||
| <34.3 | 1 | 0.522 | 1 | 0.009 | 1 | 0.064 |
| 34.3–49.56 | 0.92 (0.76 to 1.12) | 0.97 (0.86 to 1.10) | 0.98 (0.89 to 1.08) | |||
| 49.57–71.63 | 1.05 (0.86 to 1.28) | 1.02 (0.90 to 1.15) | 1.05 (0.95 to 1.15) | |||
| ≥71.64 | 1.01 (0.83 to 1.24) | 0.85 (0.75 to 0.97) | 0.93 (0.84 to 1.03) | |||
*0–4 months prediagnosis.
†Excluding unknown.
CXR, chest X-ray