Preferences in regional public transport: a literature review

European Transport Research Review

An Open Access Journal

Table 3 Inclusion of quality attribute categories in the reviewed studies

Category	Number of studies in which a quality attribute in the category is included
Category	“Overviews” (N = 14)	“Specialisations” (N = 23)	Total (N = 37)
Cost	12	7	19
Availability	12	17	29
Accessibility	7	8	15
Information	9	4	13
Time	13	8	21
Customer care	8	2	10
Comfort	13	6	19
Security	9	2	11
Environmental impact	2	1	3

“Overviews” correspond to the studies included in Table 2, and “specialisations” comprise the remainder of the studies that were identified in the search process and included in the review