Table 2

 Results of an ordinal logistic regression to investigate the relationship between weapon use in violence and triage category

Triage category variableModel 1Model 2
Unadjusted odds ratio (95% CI)p ValueAdjusted odds ratio (95% CI)p Value
Weapon1.205 (1.086 to 1.338)<0.0011.133 (1.001 to 1.282)<0.05
Age (years)1.047 (1.025 to 1.07)<0.001
Age squared0.9995 (0.9991 to 0.9997)<0.01
Male1.020 (0.907 to 1.148)0.737
DayYes
MonthYes
YearYes
Loss of consciousness8.821 (6.962 to 11.177)<0.001
Number of assailants (compared with 1 assailant)
    2 assailants1.112 (0.948 to 1.305)0.190
    ⩾3 assailants1.378 (1.228 to 1.547)<0.001
Pseudo R20.0010.040
Log pseudolikelihood−7524.5045−5738.4136
n1444012608