Table 1.

Description of activities.

Activity	Description
Deskwork	Participants sat at a desk, browsed the internet, made a phonecall, and typed for ten minutes.
Elevator	Participants travelled up and down three floors in an elevator.
Washing and drying dishes	Participants washed and dried dishes at a sink for ten minutes
Stairs	Participants ascended and descended one flight of stairs.
Indoor walking	Participants walked indoors along a straight 10 m walkway at a self-selected speed.
Walking with obstacles	Participants walked indoors at a self-selected speed navigating around objects on the ground.
Outdoor walking	Participants walked outdoors along a predefined route on a path that included straight paths, bends, and stepping on and off curbs, at a self-selected speed.
Stationary cycling	Participants cycled for 10 minutes at a self-selected speed on an upright cycle ergometer.
Driving	Participants who arrived to their appointment by car drove a predefined loop of the university campus at 20 mph