Table 2.

Odds Ratios (ORs) of injury related to drinking (ref. no alcohol) controlling for and matching injury places

	No control or matching		Controlling as covariates		Matching places at injury and control time
	OR	95% CI	OR	95% CI	OR	95% CI
Total injuries		N=15625		N=15625		N=6630
≤ 3 drinks	2.70	(2.37, 3.07)***	2.51	(2.14, 2.95)***	2.72	(2.19, 3.38)***
3.1 - 7 drinks	5.85	(4.97, 6.88)***	4.10	(3.35, 5.01)***	3.87	(2.94, 5.08)***
> 7 drinks	9.38	(7.79, 11.29)***	5.58	(4.48, 6.96)***	5.77	(4.19, 7.94)***
Traffic		N=3061		N=3061		N=464
≤ 3 drinks	2.13	(1.59, 2.86)***	3.11	(1.32, 7.36)**	2.86	(1.00, 8.13)*
3.1 - 7 drinks	4.22	(2.89, 6.15)***	2.46	(0.91, 6.69)	2.53	(0.81, 7.84)
> 7 drinks	8.05	(4.88, 13.29)***	3.16	(0.74, 13.43)	2.75	(0.40, 19.02)
Violence		N=2005		N=2005		N=657
≤ 3 drinks	5.60	(4.03, 7.78)***	3.80	(2.52, 5.73)***	3.49	(2.02, 6.02)***
3.1 - 7 drinks	12.55	(8.65, 18.22)***	6.54	(4.20, 10.20)***	6.17	(3.24, 11.76)***
> 7 drinks	21.70	(14.49, 32.49)***	10.08	(6.32, 16.08)***	10.75	(5.36, 21.57)***
Fall		N=4928		N=4928		N=2313
≤ 3 drinks	2.63	(2.08, 3.34)***	2.75	(2.06, 3.66)***	3.56	(2.37, 5.33)***
3.1 - 7 drinks	5.47	(4.08, 7.32)***	3.84	(2.72, 5.43)***	3.77	(2.41, 5.89)***
> 7 drinks	8.14	(5.83, 11.37)***	5.17	(3.52, 7.59)***	5.48	(3.22, 9.31)***
Other injury		N=5752		N=5752		N=3228
≤ 3 drinks	2.13	(1.72, 2.63)***	2.05	(1.63, 2.58)***	2.15	(1.59, 2.92)***
3.1 - 7 drinks	4.37	(3.24, 5.89)***	3.80	(2.74, 5.27)***	3.52	(2.25, 5.48)***
> 7 drinks	5.69	(4.12, 7.87)***	4.53	(3.19, 6.43)***	4.33	(2.61, 7.18)***
Total injuries (no traffic)		N=12564		N=12564		N=6166
≤ 3 drinks	2.85	(2.47, 3.28)***	2.54	(2.15, 2.99)***	2.71	(2.17, 3.38)***
3.1 - 7 drinks	6.27	(5.23, 7.52)***	4.31	(3.50, 5.30)***	3.96	(2.99, 5.24)***
> 7 drinks	9.67	(7.91, 11.81)***	5.86	(4.68, 7.33)***	5.88	(4.25, 8.14)***

^*p<0.05,

^**p<0.01,

^***p<0.001