Table 2.

The role of different variables in students’ use of the restraint system

Variable		OR	Standard. Error	95% CI		P-value
				Lower Limit	Upper Limit
Constant coefficient		0.27	0.4	0.015	4.87	0.377
Driver seat belt use(Yes) Base: No		4.5	3.73	0.88	22.91	0.069
Driver age (>  40) Other: base age (<  40)		0.58	0.39	0.15	2.19	0.42
Driver sex (Female) Base: Male		1.61	0.76	0.63	4.06	0.31
Type of car	Sedan	Base v	–	–	–	–
	SUV	3.88	2.42	1.14	13.2	0.03
Vehicle age		2.047	1.51	0.48	8.69	0.33
Student age		0.98	0.56	0.31	3.03	0.97
Student sex (Female) Base (Male)		1.57	0.89	0.51	4.79	0.42
School location	High income	Base	–	–	–	–
	Medium income	0.19	0.122	0.055	0.66	0.009
	Low income	0.2	0.128	0.058	0.7	0.012
Student position (Back) Base(Front)		0.4	0.028	0.015	0.15	0.001>