. 2018 Feb 21;18:275. doi: 10.1186/s12889-018-5144-z

Table 3.

Alcohol use in the 6 h prior to injury according to type of injury and number of drinks

Number of standard drinks	All injury patients	Intentional violence	Road traffic injury only
	OR 95% CI	OR 95% CI	OR 95% CI
Any alcohol vs. no alcohol	5.71 (3.84–8.50)^**	5.31 (2.24–12.57)^**	6.53 (3.98–10.71)^**
1–2 drinks^a	2.22 (1.21–4.08)^*	3.17 (0.75–13.4)	2.18 (1.06–4.50)^*
3–4 drinks^a	3.95 (2.24–6.96)^**	4.00 (1.20–13.30)^*	4.90 (2.44–9.84)^**
5 or more drinks^a	4.98 (2.88–8.60)^**	3.90 (1.41–10.75)^*	5.34 (2.57–11.10)^**

A standard drink is 12 oz of 5% alcohol beer, 8 oz of 7% malt liquor, 5 oz of 12% alcohol wine or 1.5 oz of 40% alcohol liquor obtained by self-reporting

^aReference = 0 drinks

*P < 0.01

**P < 0.001