Table 4

SIRs and 95% CIs for CVDs among a cohort of Danish part-time/volunteer and full-time firefighters (n=10 765) in comparison with an employed population sample during active firefighter employment time, 1977–2014

	Total cohort			Part time/volunteer			Full time
	Obs.*	SIR†	95% CI	Obs.*	SIR†	95% CI	Obs.*	SIR†	95% CI
All CVDs	636	0.93	0.86 to 1.01	355	0.92	0.83 to 1.02	281	0.94	0.84 to 1.06
Angina pectoris	265	0.94	0.83 to 1.06	104	0.88	0.74 to 1.03	125	1.02	0.86 to 1.21
Acute myocardial infarction	197	1.02	0.89 to 1.17	109	1.03	0.86 to 1.25	88	0.99	0.80 to 1.21
Chronic ischaemic heart disease	173	0.88	0.76 to 1.02	99	0.89	0.73 to 1.08	74	0.86	0.68 to 1.07
Heart failure	65	0.66	0.52 to 0.84	36	0.63	0.46 to 0.88	29	0.69	0.48 to 0.99
Cardiac arrest	16	0.53	0.32 to 0.86	9	0.52	0.27 to 0.99	7	0.53	0.25 to 1.11
Atrial fibrillation/flutter	128	1.54	1.30 to 1.83	67	1.35	1.06 to 1.71	61	1.78	1.39 to 2.29
Cerebral apoplexy	87	0.69	0.56 to 0.85	54	0.74	0.57 to 0.96	33	0.60	0.43 to 0.85
Transient ischaemic attack	52	0.90	0.69 to 1.18	31	0.94	0.66 to 1.33	21	0.84	0.55 to 1.28
Arteriosclerosis	30	0.56	0.39 to 0.80	17	0.56	0.35 to 0.90	13	0.55	0.32 to 0.95
Arterial embolism/thrombosis	10	0.68	0.37 to 1.26	4	0.50	0.19 to 1.33	6	0.89	0.39 to 1.97

*Observations.
†Adjusted for calendar year and age.
CVDs, cardiovascular diseases.