Table 4.

All-cause mortality and lung cancer mortality by duration of employment, time since hire, time since termination, age at hire, birth cohort and hiring period

		All-cause mortality			Lung Cancer Mortality
		Obs	SMR	95%CI	Obs	SMR	95%CI
Duration of Employment
	< 2 years	1181	1.27	1.20 - 1.34	149	1.69	1.42 - 1.97
	2 - <10 years	1579	1.30	1.24 - 1.37	247	2.15	1.88 - 2.42
	≥ 10 years	1451	1.14	1.08 - 1.20	309	2.39	2.12 - 2.65
Time since hire
	< 15 years	238	52.11	45.46 - 58.76	18	46.62	24.99 - 68.25
	15 - < 25 years	1096	2.39	2.24 - 2.53	187	5.09	4.36 - 5.83
	25 - < 35 years	2162	1.92	1.83 - 2.00	350	3.22	2.88 - 3.56
	≥ 35 years	715	0.39	0.36 - 0.42	150	0.80	0.67 - 0.93
Time since termination
	< 15 years	1124	3.30	3.11 - 3.49	189	5.68	4.86 - 6.49
	15 - < 25 years	1750	1.31	1.25 - 1.37	310	2.40	2.14 - 2.67
	≥ 25 years	1337	0.77	0.73 - 0.81	206	1.21	1.05 - 1.38
Age at hire
	< 25 years	825	1.24	1.15 - 1.32	134	2.04	1.70 - 2.39
	25 - < 35 years	1554	1.36	1.29 - 1.42	310	2.29	2.03 - 2.54
	≥ 35 years	1832	1.14	1.09 - 1.19	261	1.99	1.75 - 2.23
Birth Cohort
	1940 - 1950+	481	1.09	1.00 - 1.19	28	1.47	1.02 - 2.13
	1930 - 1939	1049	1.16	1.09 - 1.23	141	2.01	1.68 - 2.35
	1920 - 1929	1610	1.35	1.29 - 1.42	342	2.35	2.10 - 2.60
	1910 - 1919	680	1.23	1.13 - 1.32	155	2.10	1.77 - 2.43
	1890 - 1909	391	1.19	1.07 - 1.31	39	1.63	1.19 - 2.22
Hiring period
	1946 - 1952	821	1.38	1.28 - 1.47	154	2.63	2.21 - 3.04
	1953 - 1962	2579	1.20	1.15 - 1.25	435	2.02	1.83 - 2.21
	1963 +	811	1.20	1.12 - 1.29	116	1.98	1.62 - 2.34

Obs = Observed, SMR = Standardized Mortality Ratio, CI = Confidence Interval