Motorcyclist Is the Right-of-Way Violator: A Population-Based Study of Motorcycle Right-of-Way Crash in Taiwan

Table 1

Characteristics of the independent variables and two approach-turn crash types, 2003-2014.

	Approach-turn Car turning		Approach-turn MC turning		χ^2 test
	N	%	N	%	p-value
Total	16,354	82.07	3,572	17.93
Driver gender					0.64
Male	12,817	82.01	2,812	17.99
Female	3,537	82.31	760	17.69
Motorcyclists gender					<.0001
Male	10,900	83.90	2,092	16.10
Female	5,454	78.66	1,480	21.34
Driver age					<.0001
<18	8	72.7	3	27.3
18-40	8362	80.2	2067	19.8
41-64	7336	83.8	1417	16.2
>65	648	88.4	85	11.6
Motorcyclists age					<.0001
<18	573	80.8	136	19.2
18-40	11743	86.4	1842	13.6
41-64	3416	75.6	1101	24.4
>65	622	55.8	493	44.2
License
Drivers					0.47
Licensed	15,800	82.01	3,467	17.99
Unlicensed	432	83.24	87	16.76
Motorcyclists					<.0001
Licensed	14,463	83.62	2,834	16.38
Unlicensed	1,696	71.68	670	28.32
Alcohol use
Drivers					0.04
No	15,758	82.16	3,422	17.84
Yes	222	77.35	65	22.65
Motorcyclist					<.0001
No	15,667	82.78	3,258	17.22
Yes	261	67.44	126	32.56
Occurring during					<.0001
Daytime	10,181	80.11	2,528	19.89
Evening/night	6173	85.53	1044	14.47
Engine size					<.0001
251cc or above	78	92.86	6	7.14
51-250cc	14,348	83.39	2,857	16.61
Up to 50cc	1,928	73.11	709	26.89
Occurring on BU roadways (up to 50km/h)					<.0001
NBU	1,204	75.68	387	24.32
BU	15,150	82.63	3,185	17.37
Occurring on roadways with vertical or horizontal curvature					<.0001
horizontal	255	68.55	117	31.45
vertical	41	69.49	18	30.51
Straight	16,058	82.37	3,437	17.63
Vehicle types involved					0.02
Taxi	1,514	84.68	274	15.32
Heavy vehicle	2726	81.23	630	18.77
Car	12,024	81.96	2,647	18.04
Others	90	81.08	21	18.92
Occurring on weekends or weekdays					0.01
Weekday	12,318	82.47	2,619	17.53
Weekend	4,036	80.90	953	19.10