Table 6.

Model-based adjusted RR (95% CI) based on quasi-Poisson regression for hospital LOS

Variable	RR (95% CI)	P value
Sex female versus male	0.85 (0.69 to 1.05)	0.1405
Paediatric versus adults	0.53 (0.33 to 0.86)	0.0096
Hispanic versus non-Hispanic	0.89 (0.54 to 1.22)	0.3161
Drug use versus no drug use	3.36 (2.65 to 4.25)	<0.0001
Child seat/seat belt versus no protective equipment	0.43 (0.32 to 0.53)	<0.0001

Bold values denote statistical significance.

LOS, length of stay; RR, rate ratio.