Table 2.

Cox proportional hazard model of the association between veteran status and risk of lung cancer

		Univariate			Multivariatea
Subgroup		HR	95 % CI	P value	HR	95 % CI	P value
Overall		1.22	1.09–1.36	0.001	1.16	1.04–1.30	0.008
Sex	Men	1.23	1.09–1.38	0.001	1.17	1.04–1.31	0.008
	Women	1.09	0.72–1.66	0.671	1.07	0.70–1.62	0.760
Birth year	1945–1949	1.12	0.95–1.32	0.174	1.07	0.91–1.27	0.399
	1950–1954	1.53	1.26–1.85	<0.001	1.44	1.19–1.74	<0.001
	1955–1959	1.12	0.84–1.49	0.440	1.06	0.80–1.42	0.675
	1960–1964	0.87	0.47–1.61	0.664	0.87	0.47–1.61	0.656
	1965 onwards	0.43	0.10–1.90	0.267	0.45	0.10–1.96	0.287
ESL status	ESL	1.46	1.22–1.75	<0.001	1.32	1.10–1.58	0.002
	Non-ESL	1.10	0.96–1.26	0.173	1.08	0.99–1.22	0.291

HR hazard ratio, CI confidence interval, ESL Early Service Leaver – left service before completing initial term of engagement

^aadjusted for Scottish Index of Multiple Deprivation