Research Article

The Effect of Various Types of Motorcycle Helmets on Cervical Spine Injury in Head Injury Patients: A Multicenter Study in Taiwan

Table 2

Multiple logistic regression analyses between case and control groups in helmet use and other covariates and the odds ratio of CSI (Model 1).

VariablesOR 95% CI for OR value
LowerUpper

Helmet use
 No1.00
 Yes 0.310.190.49<.001
Method of transport to the hospital
 Self-transportation1.00
 Ambulance delivery1.991.083.67.028
Thoracic spine injury
 No1.00
 Yes 4.702.0011.05<.001
Lumbar spine injury
 No1.00
 Yes 4.821.4715.86.010

OR: odds ratio; CI: confidence interval; CSI: cervical spine injury; and HI: head injury.
The dependent variable in Model 1 was CSI and the independent variables included all variables in Table 1 except helmet type. Only the significant variables ( < .05) were shown in Table 2.