Table 2.
Characteristic | HR (overall)1 | 95% CI |
---|---|---|
Age at diagnosis (single year) | 1.01 | 1.00–1.02 |
Race/ethnicity | ||
Non-Hispanic White | 1.00 | |
Latina US-born | 2.05 | 1.18–3.55 |
Latina foreign-born | 1.41 | 0.85–2.33 |
API US-born | 1.69 | 1.01–2.75 |
API foreign-born | 1.17 | 0.89–1.54 |
Marital status | ||
Married (at diagnosis) | 1.00 | |
Never married | 0.83 | 0.53–1.27 |
Separated/divorced/widowed/unknown | 1.54 | 1.17–2.02 |
Histology | ||
Large cell/non-BAC adenocarcinoma/undiff | 1.00 | |
BAC | 0.72 | 0.45–1.14 |
Squamous cell | 2.05 | 1.29–3.26 |
Radiation | ||
Not given | 1.00 | |
Given | 1.48 | 1.13–1.92 |
Surgery | ||
None | 1.00 | |
Performed | 0.30 | 0.20–0.44 |
HRs adjusted for other factors shown in the table including chemotherapy-by-time interaction; separate baseline hazards were estimated by stage at diagnosis (thereby adjusting for stage by allowing the form of the underlying hazard function to vary by stage)