Table 2

Logistic regression analysis of motorcycle drivers among migrant workers and the control group in Guangzhou from 2017 to 2021

Variable		Migrant worker			Control group
Variable		N	P value	OR	N	P value	OR
Region	Central urban	281	Baseline		133	Baseline
	Outer urban	5350	0.008	1.565	942	0.077	1.567
	Highway	20	0.063	7.399	6	0.071	0.203
Genden	Male	4871	Baseline		922	Baseline
Genden	Female	780	<0.0001	1.972	159	0.056	/
Determination of responsibility	Full/Primary	2794	Baseline		560	Baseline
	Equal	1089	<0.0001	1.677	199	0.001	2.199
	Secondary or none	1728	<0.0001	2.165	309	<0.0001	3.227
	Unknown	40	0.594	1.255	13	0.992	1.007
Time	Day	2780	Baseline		484	Baseline
	Nightfall or dawn	134	0.052	1.692	14	0.571	1.508
	Night-time	2737	<0.0001	1.466	583	0.002	1.772
Age group	20–39	2356	Baseline		486	Baseline
	40–59	2330	0.014	1.234	325	0.286	1.238
	60	683	<0.0001	3.696	116	<0.0001	5.555
	0–19	282	0.607	1.095	154	0.020	1.830
Crash object	Motorcyclist or electric cyclist	1410	Baseline		263	Baseline
	Pedestrian	421	<0.0001	0.275	107	<0.0001	0.314
	Pedal cyclist	153	<0.0001	0.358	43	0.002	0.313
	Four-wheeled vehicle occupant	3568	<0.0001	6.826	646	<0.0001	4.757
	Others of unknown	99	<0.0001	9.800	22	0.035	4.074
Illegal behaviour	None	376	Baseline		71	Baseline
	Driving without a licence only	2042	<0.0001	1.990	397	0.548	1.286
	Driving without a licence and drunk driving	725	0.002	1.958	165	0.983	0.990
	Drunk driving only	330	<0.0001	2.556	86	0.131	2.199
	Other unsafe driver behaviour	504	0.251	1.268	87	0.964	1.022
	Not using motor vehicle licence plate	361	0.008	1.820	45	0.063	3.362
	Driving in the opposite direction	223	<0.0001	3.041	39	0.272	1.914
	Not following traffic signals	222	<0.0001	5.154	46	0.005	8.248
	Not following rules to yield pedestrians or vehicles that have priority	215	0.006	2.104	31	0.593	1.430
	Dangerous driving behaviour	185	0.057	1.701	33	0.310	1.987
	Driving modified, assembled or scrapped vehicles	159	0.064	1.698	23	0.473	1.677
	Illegal lane changes, overtaking, reversing, meeting cars, parking or using lights	174	0.022	1.964	28	0.231	2.536
	Not following traffic signs	82	0.023	2.720	18	0.078	5.456
	Speeding	53	0.040	2.269	12	0.047	6.831
	Total	5651			1081

N, number; OR, odd ratio.