Table 4: Average length of stay per head injury in a motorcycle accident.

VariableBefore the helmet use lawAfter the helmet use law% Change value

Length of stay in hospitals6.785.52−18.58%

Geographic locations0.0140
 North7.766.53−15.85%
 Center6.665.36−19.52%
 South6.625.04−23.87%
 East5.637.0725.58%

Gender0.0049
 Male6.845.67−17.11%
 Female6.725.30−21.13%

Age0.0008
 Children6.104.63−24.10%
 Adult 15–245.944.71−20.71%
 Adult 25–647.296.10−16.32%
 Elderly8.605.07−41.05%

Rural/urban0.1053
 Special municipality8.466.46−23.64%
   City6.354.67−26.46%
 County administered5.615.07−9.63%
   Town7.245.44−24.86%
   Village7.065.65−19.97%

Observations = 1,254.
Unit: NT $, 1 US$ = 33.4 NT$ in 1998.
Length of stay due to head injuries are only for individuals that sustained a head injury in a motorcycle accident.