Table 6.

Relationships between demographic features and drivers’ practices

Variables		Safe practice		Unsafe practice		Results of the analysis
		n	%	n	%	χ2	df	p
Age (year)	<30	34	16.4	3	8.8	5.312	3	0.150
	31–40	92	44.4	12	35.3
	41–50	54	26.1	10	29.4
	>50	27	13	9	26.5
Total		207	100	34	100
Educational levels	Illiterate and elementary	25	12.1	6	17.6	2.169	2	0.338
	Middle school	87	42	10	29.4
	Diploma and higher	95	45.9	18	53
Total		207	100	34	100
Year driver’s license was obtained	1972–1982	11	5.3	3	8.8	2.007	3	0.571
	1982–1992	31	15	7	20.6
	1992–2002	97	46.9	16	47.1
	2002–2011	68	32.9	8	23.5
Total		207	100	34	100
Work experience (year)	1–5	41	19.8	5	14.7	7.839	4	0.098
	6–10	71	34.3	7	20.6
	11–15	57	27.5	9	26.5
	16–20	23	11.1	7	20.6
	>20	15	7.2	6	17.6
Total		207	100	34	100