Table 1

Standardised hospitalisation ratios (SHR) due to chronic lower respiratory diseases among male Danish construction workers and 95% CI, 1981–1990, 1991–2000 and 2001–2009

Occupation	Period	Persons	PYRS	Observed	Expected	SHR	95% CI
Bricklayers	1981–1990	13980	134494	93	100.5	93	75 to 113
	1991–2000	9050	88036	94	78.1	120	97 to 147
	2001–2009	9352	81828	47	44.8	105	77 to 140
Carpenters	1981–1990	23829	229313	109	150.7	72	60 to 87
	1991–2000	18327	178339	125	141.7	88	74 to 105
	2001–2009	27381	240286	98	116.6	84	68 to 102
Electricians	1981–1990	12929	124888	58	67.5	86	65 to 111
	1991–2000	12865	125392	73	88.4	83	65 to 104
	2001–2009	16087	141978	48	59.0	81	60 to 108
Painters	1981–1990	8983	86692	64	77.8	82	63 to 105
	1991–2000	7857	75992	72	70.6	102	80 to 128
	2001–2009	7982	69893	56	38.0	147	111 to 192
Plumbers	1981–1990	9853	95433	64	63.7	100	77 to 128
	1991–2000	8759	85372	55	66.7	83	62 to 107
	2001–2009	11190	98191	59	44.6	132	101 to 171
Other construction workers	1981–1990	85783	823920	746	711.6	105	98 to 113
	1991–2000	77836	749332	667	638.7	104	97 to 113
	2001–2009	69479	609054	391	313.7	125	113 to 138
All construction workers	1981–1990	155357	1494739	1134	1171.8	97	91 to 103
	1991–2000	134694	1302464	1086	1084.3	100	94 to 106
	2001–2009	141471	1241228	699	616.6	113	105 to 122

PYRS, person years at risk.