Medical Cost and Motorcycle Helmet Law in Taiwan

Table 7

Poisson regression for length of stay per head injury in a motorcycle accident.

Variable	Coefficient^a	Standard error	𝑃 value
Intercept	2.0449***	0.0265	<0.0001
Policy interactions	−0.0114	0.0407	0.7797
Policy*Center	−0.2175***	0.0708	0.0021
Policy*South	−0.2780***	0.0567	<0.0001
Policy*East	0.3236*	0.1840	0.0785
Geographic locations
Center	0.0383	0.0555	0.4897
South	−0.0161	0.0424	0.7036
East	−0.2333	0.1538	0.1293
(ref.: north)
Gender	0.0123	0.0238	0.6056
Age
Children	−0.2245***	0.0709	0.0015
Adult 15–24	−0.2330***	0.0253	<0.0001
Elderly	−0.0042	0.0471	0.9292
(ref.: adult 25–64)
Rural/urban
City	−0.1608***	0.0567	0.0045
County administered	−0.2153***	0.0411	<0.0001
Town	−0.0525	0.0388	0.1756
Village	−0.0141	0.0375	0.7079
(ref.: special municipality)

^a***Denotes significant at 0.01 level; **denotes significant at 0.05 level; *denotes significant at 0.1 level.
^bReference groups: north, female, adult 25–64, special municipality, Policy*North.
Observations = 1,254.