Table 4

Cause-specific proportional hazard models with HRs and 95% CIs estimated in 3369 patients aged 30–94 years diagnosed with primary non-small cell lung cancer in central Sweden between 1996 and 2004, by educational level and stratified on stage at diagnosis

		Model 1*						Model 2†
		All patients		Male		Female		All patients		Male		Female
		HR	CI	HR	CI	HR	CI	HR	CI	HR	CI	HR	CI
Stage IA–IV	Education
	Low	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference
	Middle	0.97	0.88 to 1.06	1.02	0.91 to 1.15	0.88	0.76 to 1.01	0.99	0.89 to 1.09	1.05	0.92 to 1.19	0.91	0.78 to 1.07
	High	0.94	0.81 to 1.08	1.05	0.88 to 1.25	0.76	0.60 to 0.96	1.02	0.87 to 1.19	1.12	0.92 to 1.36	0.84	0.65 to 1.08
Stage IA–IIB	Education
	Low	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference
	Middle	0.69	0.55 to 0.87	0.79	0.59 to 1.06	0.58	0.40 to 0.83	0.69	0.55 to 0.88	0.76	0.56 to 1.04	0.65	0.44 to 0.96
	High	0.58	0.40 to 0.85	0.77	0.5 to 1.19	0.28	0.13 to 0.62	0.70	0.47 to 1.03	0.95	0.60 to 1.51	0.33	0.14 to 0.77
Stage IIIA–IIIB	Education
	Low	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference
	Middle	0.94	0.81 to 1.08	0.96	0.80 to 1.15	0.88	0.69 to 1.11	0.97	0.83 to 1.14	1.04	0.85 to 1.28	0.89	0.69 to 1.15
	High	1.18	0.95 to 1.47	1.34	1.02 to 1.76	0.93	0.64 to 1.34	1.30	1.03 to 1.65	1.41	1.04 to 1.90	1.08	0.74 to 1.59
Stage IV	Education
	Low	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference	1.00	Reference
	Middle	1.09	0.96 to 1.26	1.15	0.96 to 1.38	1.04	0.84 to 1.29	1.12	0.96 to 1.31	1.15	0.94 to 1.42	1.13	0.89 to 1.45
	High	0.95	0.76 to 1.17	1.00	0.76 to 1.33	0.86	0.61 to 1.22	0.98	0.77 to 1.25	1.04	0.75 to 1.43	0.92	0.62 to 1.37

↵* Proportional hazard model adjusted for sex, age at diagnosis, histopathology, performance status and smoking status.
↵† Proportional hazard model adjusted for sex, age at diagnosis, histopathology, performance status, smoking status and treatment.