Automated Mobility-on-Demand Service Improvement Strategy through Latent Class Analysis of Stated Preference Survey

Table 1

Socio-demographics and distribution of sample (N = 2,258).

Variable	Category	Frequency	Distribution (%)
Gender	Male	1,082	47.9
	Female	1,176	52.1
Age	20–29 years	355	15.7
	30–39 years	670	29.7
	40–49 years	753	33.3
	50–59 years	388	17.2
	>60 years	92	4.1
Education	Less than middle school	19	0.8
	High school graduate	465	6.0
	Attending University	135	20.6
	College graduate or higher	1,639	72.6
Occupation	Manager	143	6.3
	Expert	252	11.2
	Office worker	669	29.6
	Service worker	275	12.2
	Salesperson	165	7.3
	Agricultural, forestry, and fishery workers	16	0.7
	Technicians or craftworkers	79	3.5
	Device/Machine operation or assembly workers	79	3.5
	Simple labor worker	108	4.8
	Soldier	4	0.2
	Student	104	4.6
	Inoccupation	268	11.9
	Etc	96	4.3
Residence	Seongnam city, Gyeonggi-do	157	7.0
	Hwaseong city, Gyeonggi-do	149	6.6
	Bucheon city, Gyeonggi-do	136	6.0
	Namyangju city, Gyeonggi-do	123	5.4
	Ansan city, Gyeonggi-do	111	4.9
	Anyang city, Gyeonggi-do	106	4.7
	Pyeongtaek city, Gyeonggi-do	104	4.6
	Siheung city, Gyeonggi-do	90	4.0
	Gimpo city, Gyeonggi-do	87	3.9
	Paju city, Gyeonggi-do	86	3.8
	Uijeongbu city, Gyeonggi-do	83	3.7
	Gwangju city, Gyeonggi-do	75	3.3
	Hanam city, Gyeonggi-do	68	3.0
	Wonju city, Gangwon-do	113	5.0
	Cheongju city, Cungcheongbuk -do	102	4.5
	Cheonan city, Chungcheongnam-do	94	4.2
	Asan city, Chungcheongnam-do	55	2.4
	Jeonju city, Jeollabuk-do	95	4.2
	Pohang city, Gyeongsangbuk-do	81	3.6
	Gumi city, Gyeongsangbuk-do	69	3.1
	Gimhae city, Gyeongsangnam -do	87	3.9
	Yangsan city, Gyeongsangnam-do	70	3.1
	Jinju city, Gyeongsangnam-do	64	2.8
	Sejong-Si	53	2.3
Income	<420 USD per month	255	11.3
	420–840 USD per month	97	4.3
	840–1,680 USD per month	281	12.4
	1,680–2,520 USD per month	604	26.7
	2,520–3,360 USD per month	486	21.5
	3,360–4,200 USD per month	292	12.9
	4,200–5,880 USD per month	155	6.9
	5,880–8,400 USD per month	58	2.6
	>8,400 USD per month	30	1.3
Driving license	Acquired	2,001	88.6
	Not acquired	257	11.4
Car ownership	Owned	2,032	90
	Not owned	226	10