Table 1.

Determinants for behaviour.

Determinants/concepts	Theories/sources
Intentions/motivations/needs	TPB, NOA
Attitudes	TPB
Social norms	TPB, SPT
Perceived behavioural control/feasibility of actions/individuals' abilities	TPB, NOA, SPT
Opportunities offered	NOA, UT
Time-space constraints	TG
The utility of the activity	UT
The disutility of travel	UT

TPB: Theory of Planned Behaviour, NOA: Needs, Opportunities, and Abilities Model, SPT: Social Practice Theory, UT: Utility Theory, TG: Time Geography.