Table 1

Age standardised hospitalisation ratios (SHR) 1994–2003 and 95% confidence intervals (CI) among male bus drivers, heavy truck and lorry drivers, and car, taxi, and van drivers due to non-traumatic intracranial haemorrhage, stroke, and cerebral infarction

	No.	Cases	Expected	SHR	95% CI
Stroke (I60–I64)
Car, taxi, and van drivers	4204	117	74.1	157	132–189
Bus drivers	6285	156	112.0	139	119–163
Heavy truck and lorry drivers	25879	453	365.8	124	113–136
All male drivers	36368	726	551.9	132	121–141

Non-traumatic intracranial haemorrhage (I60–I62)
Car, taxi, and van drivers	4204	22	16.6	135	85–204
Bus drivers	6285	32	24.7	129	89–183
Heavy truck and lorry drivers	25879	90	86.1	105	84–129
All male drivers	36368	144	127.1	113	96–133

Cerebral infarction (I63)
Car, taxi, and van drivers	4204	51	31.1	164	122–216
Bus drivers	6285	64	47.0	136	105–174
Heavy truck and lorry drivers	25879	204	151.2	135	118–155
All male drivers	36368	319	229.3	139	124–155