Alcohol and cannabis use as risk factors for injury – a case-crossover analysis in a Swiss hospital emergency department

Table 4 Relative Risk estimates for alcohol and cannabis use 6 hours prior to injury

	RR	95% CI lower	95% CI upper
no use	1.00
alcohol use only	3.08	1.77	5.34
cannabis use only	0.37	0.10	1.43
joint use of alcohol and cannabis	0.71	0.12	4.26

There were no women using cannabis in the 6 hours prior to injury and only 3 women a week ago. Therefore, only results for the total sample were reported

ISSN: 1471-2458