TABLE 1.

ANOVA across population with main effects of stratifications (data reported as ± SEM unless otherwise stated)

Variable	≤ 50 yr		> 50 yr		Main Effects
	F	M	F	M	Age	Sex	Interaction
RIW	0.06±0.0015	0.061±0.003	0.07±0.003	0.06±0.002	0.0137	0.0148	0.0337
Age (yr)	36.9±1.3	41.1±0.45	60.6±0.59	60.0±0.33	< 0.0001	0.0043	0.0003
Number of Visits	4.3±0.39	6.8±0.39	3.9±0.26	5.2±0.17	0.0004	< 0.0001	NS
Categoricals (%)	F	M	Total
Site
St. Joseph’s	58	49	52
Hamilton General	32	46	43
Juravinski	10	5	5
Triage
Resuscitation	3	3	3
Emergent	17	21	20
Urgent	67	56	58
Less Urgent	10	16	15
Non-Urgent	2	4	3
Age Category
≤ 50	30	34	33
> 50	70	66	66
Psychiatric Dx
N	78	71	72
Y	22	29	28
30-day Return
N	81	77	78
Y	19	23	22
Sex
M			80
F			20