Table 4.

Self-pay as associated with mortality by mechanism of injury in Arizona State Trauma Registry during 2008–2011.

Payer status	Cut-pierce	Falls	Firearm	Motor vehicle trauma	All other mechanisms
Private insurance (reference)	1.0	1.0	1.0	1.0	1.0
Self-pay	1.65 (0.54–5.05)	2.06 (1.17–3.61)*	2.72 (1.59–4.64)***	3.11 (2.34–4.14)***	2.59 (1.62–4.15)***
AHCCCS	0.89 (0.32–2.48)	1.28 (0.87–1.86)	1.1 (0.67–1.81)	1.51 (1.19–1.91)***	1.29 (0.87–1.89)
Medicare	0.61 (0.11–3.46)	1.32 (0.96–1.83)	1.28 (0.53–3.11)	1.82 (1.34–2.49)***	3 (1.74–5.18)***

AHCCCS, Arizona Health Care Cost Containment System

^***p <0.001

Estimates are odd ratios with CI in parentheses and all models are adjusted for covariates included in full model unless otherwise noted.