Factors Affecting Car Sickness of Passengers Traveled by Vehicles in North Shewa Zone, Oromia, Ethiopia

Table 2

Bivariate analysis of associated factors and car sickness.

Variables	Experienced car sickness			value
	Categories	n	%
Age (in years)	<20	16	4.2	<0.001
	20–40	87	22.7
	41–60	36	9.3
	>60	8	2.1
Sex	Female	82	21.4	<0.001
	Male	65	16.9
Overcrowding of roads	Yes	74	19.2	<0.001
Worrying about travels	Yes	56	14.5	0.013
Poor ventilation of vehicles	Yes	69	17.9	0.023
Full stomach	Yes	84	21.8	0.014
Occasionally travels	Yes	28	7.2	0.020
Aggressive drivers	Yes	152	39.5	<0.001
Substance use	Yes	134	34.8	<0.001
Sleep deprivation	Yes	117	30.4	0.010
Heavy type of meals	Yes	86	22.3	0.017
Curved roads	Yes	77	20.1	0.013
Overcrowded journeys	Yes	125	32.5	0.004
Sitting at the back seat of vehicles	Yes	45	11.7	0.006
Listening a high volume music	Yes	32	8.3	0.021
Lack of focus on horizon	Yes	48	12.5	0.018
Speedily traveled by vehicles	Yes	67	17.4	0.012
Braking effects of vehicles	Yes	18	4.6	0.024

Source: Authors Survey, 2019.