Table 1. Characteristics of included studies.

		Number of studies	Percentage of studies
Sample size	Under 50	2	4
	50–99	6	11
	100+	45	83
	Not stated	1	2
Study composition	All cyclists, or under 50% non-cyclists	39	72
	At least 50% non-cyclists	12	22
	Not stated	3	6
Country of origin	USA	19	35
	UK	8	15
	Belgium	3	6
	Canada	4	7
	Other/more than one country	20	37
Sampling method	Convenience sample	34	63
	Purposive convenience sampling	5	9
	Random sampling	14	26
	Not stated	1	2
Preference elicitation method	Description (only)	26	48
	Existing infrastructure	8	15
	Images	16	30
	Video	4	7
Situational specificity	Very low	25	46
	Medium	19	35
	High	10	19