Research on Risky Driving Behavior of Young Truck Drivers: Improved Theory of Planned Behavior Based on Risk Perception Factor

Table 2

Descriptive statistics and analysis of variance (N = 330).

Personal attribute factors	Category	Number	Proportion (%)	Mean (SD)	F (t)	value
Gender	Male	286	86.67	2.99 (0.67)	1.580	0.120
	Female	44	13.33	2.78 (0.84)
Age	18–30 years old	76	23.03	3.07 (0.53)	1.965	0.051
	30–35 years old	254	76.97	2.92 (0.74)
Education	Primary or middle school	126	38.18	2.86 (0.70)	1.972	0.118
	High school or vocational school	124	37.58	3.05 (0.66)
	Associate degree	56	16.97	2.91 (0.76)
	Bachelor’s degree and above	24	7.27	3.11 (0.65)
Monthly income	0–5 thousand RMB	93	28.18	2.94 (0.71)	0.336	0.799
	5–10 thousand RMB	163	49.39	3.00 (0.72)
	10–15 thousand RMB	62	18.79	2.90 (0.64)
	Above 15 thousand RMB	12	3.64	2.93 (0.62)
Driving vehicle type	Light-duty truck	100	30.30	2.89 (0.75)	0.688	0.560
	Medium-duty truck	34	10.30	3.07 (0.70)
	Heavy-duty truck	72	21.82	2.94 (0.62)
	Very heavy-duty truck	124	37.58	2.99 (0.70)
Daily driving time	0 to 5 hours	106	32.12	2.94 (0.72)	0.349	0.844
	6 to 10 hours	157	47.58	3.00 (0.69)
	11 to 15 hours	51	15.45	2.87 (0.70)
	16 to 20 hours	12	3.64	2.94 (0.70)
	More than 20 hours	4	1.21	2.95 (0.75)
Annual driving mileage	0 to 50 thousand kilometers	136	41.21	2.99 (0.58)	2.476	0.061
	51 to 100 thousand kilometers	128	38.79	3.01 (0.78)
	101 to 150 thousand kilometers	34	10.30	2.66 (0.75)
	151 to 200 thousand kilometers	32	9.70	2.90 (0.71)
Driving experience (license years)	0 to 5 years	116	35.15	2.87 (0.67)	3.227	<0.05
	6 to 10 years	141	42.73	3.05 (0.73)
	11 to 15 years	58	17.58	3.04 (0.58)
	16 to 20 years	15	4.55	2.54 (0.93)
Traffic violation frequency	Few	138	41.82	2.79 (0.64)	10.001	<0.001
	Moderate	174	52.73	3.04 (0.70)
	Many	18	5.45	3.43 (0.78)
Traffic accident experience	Few	282	85.45	2.91 (0.65)	4.435	<0.05
	Moderate	46	13.94	3.23 (0.92)
	Many	2	0.61	3.25 (0.35)