Table V.
Relationship of sociodemographic and clinical factors to the hazard of death after acute myeloid leukaemia by age group at diagnosis, including health insurance status, California, 1996–2011
| Characteristics (Total = 2632) |
HR1 (95% CI) 0–9 years N = 671 |
P-value* | HR2 (95% CI) 10–19 years N = 510 |
P-value* | HR3 (95% CI) 20–29 years N = 619 |
P-value* | HR4 (95% CI) 30–39 years N = 832 |
P-value* |
|---|---|---|---|---|---|---|---|---|
| Calendar period | ||||||||
| 1996–2003 | 1.31 (1.02–1.68) | 1.28 (0.99–1.64) | 0.92 (0.74–1.15) | 1.13 (0.94–1.36) | ||||
| 2004–2011 | 1.0 (reference) | 0.0308 | 1.0 (reference) | 0.0580 | 1.0 (reference) | 0.4640 | 1.0 (reference) | 0.2000 |
| Race/ethnicity | ||||||||
| Non-Hispanic white | 1.0 (reference) | 1.0 (reference) | 1.0 (reference) | 1.0 (reference) | ||||
| Non-Hispanic black | 1.63 (1.04–2.57) | 1.23 (0.74–2.05) | 1.95 (1.17–3.25) | 1.11 (0.78–1.56) | ||||
| Hispanic | 1.27 (0.93–1.72) | 1.05 (0.76–1.44) | 1.17 (0.88–1.56) | 0.99 (0.79–1.24) | ||||
| Asian/Pacific Islander | 0.87 (0.55–1.36) | 0.0821 | 1.01 (0.66–1.55) | 0.8872 | 1.40 (1.01–1.92) | 0.0392 | 0.83 (0.62–1.11) | 0.4981 |
| Sex | ||||||||
| Male | 0.89 (0.70–1.12) | 0.84 (0.65–1.08) | 1.08 (0.86–1.35) | 1.06 (0.88–1.27) | ||||
| Female | 1.0 (reference) | 0.3220 | 1.0 (reference) | 0.1688 | 1.0 (reference) | 0.5054 | 1.0 (reference) | 0.5343 |
| Neighbourhood socioeconomic status (quintiles) | ||||||||
| 1. Lowest 20% | 0.92 (0.59–1.43) | 1.12 (0.71–0.78) | 1.37 (0.92–2.04) | 1.34 (0.95–1.88) | ||||
| 2. | 1.16 (0.76–1.77) | 0.92 (0.59–1.44) | 1.03 (0.69–1.53) | 1.56 (1.14–2.15) | ||||
| 3. Middle 20% | 1.02 (0.67–1.56) | 0.99 (0.64–1.53) | 1.21 (0.82–1.78) | 1.76 (1.28–2.42) | ||||
| 4. | 0.92 (0.59–1.45) | 0.87 (0.54–1.40) | 0.77 (0.51–1.16) | 1.60 (1.17–2.20) | ||||
| 5. Highest 20% | 1.0 (reference) | 0.6758 | 1.0 (reference) | 0.7838 | 1.0 (reference) | 0.0281 | 1.0 (reference) | 0.0035 |
| Initial care at hospitals affiliated with NCI-designated cancer centres | ||||||||
| Yes | 1.0 (reference) | 1.0 (reference) | 1.0 (reference) | 1.0 (reference) | ||||
| No | 1.12 (0.88–1.43) | 0.3512 | 1.44 (1.09–1.90) | 0.0078 | 1.24 (0.93–1.66) | 0.1414 | 1.39 (1.08–1.80) | 0.0095 |
| Health insurance status | ||||||||
| None | 1.60 (0.63–4.02) | 1.78 (0.85–3.75) | 0.94 (0.57–1.55) | 1.78 (1.14–2.76) | ||||
| Public | 0.93 (0.69–1.25) | 1.21 (0.90–1.64) | 0.99 (0.77–1.27) | 1.10 (0.90–1.36) | ||||
| Private | 1.0 (reference) | 1.0 (reference) | 1.0 (reference) | 1.0 (reference) | ||||
| Unknown/NOS | 1.21 (0.83–1.75) | 0.4384 | 1.35 (0.92–1.99) | 0.2399 | 1.45 (1.02–2.07) | 0.1965 | 1.17 (0.86–1.59) | 0.0986 |
Abbreviations: HR, hazard ratio; CI, confidence interval; NOS, not otherwise specified; NCI, National Cancer Institute.
*
Likelihood ratio test.