Table 1.

Characteristics, no substance use vs ≥1 substance use.

	Non-Substance	≥1 Substance	p =
Number	324	322
Demographicsact
Age, years (Median, IQR)	28, 24–37	30, 25–37	0.121
Male (No,%)	268 (82.7%)	299 (92.9%)	<0.001
Vocation (No,%)			0.041
Full Time Professional	37 (11.4)	24 (7.6)
Full Time Laborer	103 (31.8)	99 (31.1)
Part Time Professional	12 (3.7)	5 (1.6)
Part Time Laborer	46 (14.2)	75 (23.6)
Self Employed	68 (21.0)	61 (19.2)
Unemployed	57 (17.6)	53 (16.7)
Missing	1	5
Highest Education Level (No,%)			0.002
Post Secondary	70 (21.6%)	61 (18.9%)
Secondary	149 (46%)	114 (35.4%)
Primary	105 (32.4%)	147 (45.7%)
Injury and Referral
Transferred from Outside Facility (No,%)	146 (45.3%)	126 (39.1%)	0.111
Hours, Injury to Arrival (Median, IQR)	10.2 (4.5, 24.0)	15.4 (5.5, 25.5)	0.029
Disposition from KNH ED (No,%)			0.250
Discharged	177 (54.6%)	184 (57.3%)
Admitted	139 (42.9%)	131 (40.8%)
Transferred from KNH	5 (1.5)	1 (0.3)
Eloped	2 (0.6)	5 (1.6)
Deceased in ED	1 (0.3)	0 (0)
Missing	0	1