Medical Cost and Motorcycle Helmet Law in Taiwan

Table 5

Logistic regression for the likelihood of sustaining a head injury in a motorcycle accident.

Variable	Coefficient	Odds ratio	Standard error	𝑃 value
Intercept	−8.1149***		0.0983	<0.0001
Policy interaction	−0.2693**	0.764	0.1057	0.0108
Policy*Center	0.3664**	1.443	0.1643	0.0258
Policy*South	0.3881***	1.474	0.1334	0.0036
Policy*East	0.5242	1.689	0.4110	0.2021
Geographic locations
Center	0.3881***	1.474	0.1334	0.0036
South	0.5242	1.689	0.4110	0.2021
East	0.0561	1.058	0.3108	0.8568
(ref.: north)
Gender	0.3301***	1.391	0.0572	<0.0001
Age
Children	−2.0731***	0.126	0.1647	<0.0001
Adult 15–24	0.6227***	1.864	0.0606	<0.0001
Elderly	−0.0431	0.958	0.1192	0.7178
(ref.: adult 25–64)
Rural/urban
City	−0.2614**	0.770	0.1260	0.0380
County administered	0.3246***	1.383	0.0947	0.0006
Town	0.9101***	2.485	0.0927	<0.0001
Village	0.4130***	1.511	0.0891	<0.0001
(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 = 1809237.