Table 1.

Predefined visible characteristics for Montreal cyclists

Variable	Value	Description
Age group	Child	Prepubescent
	Young adult	Young-looking, pubescent
	Adult	Mature-looking
	Senior	Person with traits associated with older age (e.g., grey hair, fat wasting, wrinkles)
Type of bike	Commuter bike	Includes vintage-like bikes (e.g., older bike models with curved handlebars), bikes with travelling bags; excludes bicycles from bike-sharing programs
	Racing bike	Bicycles with curved handlebar and/or performance bikes, known high-performance bikes, and cyclists wearing performance attire
	Bike sharing	Standard bicycles labelled with known bike-sharing program logos
Visible minority	Yes	Non-Caucasian, darker skin colour
Gender	Male	Secondary male sex characteristics such as increased muscle mass, facial hair, and increased body hair
	Female	Secondary female sex characteristics such as no facial hair, fine facial features, and lighter muscle mass