Table 1.

Description of the different domains

Name Domain	Description	Examples
Physical Activity Domain	This domain describes different physical activities and their associated characteristics	Type of activity Intensity Duration
Profile Domain	This profile domain includes the aspects that are related to the individual (i.e. the actor of the physical activity), and their personal background. This includes amongst others psychological and physical characteristics. Any factor that describes an individual independently of its immediate context will be part of this domain. We thus decided to code content related to cultural or religious identity as profile factors, as well These factors can be either relatively stable, such as personality, or dynamic on a moment to moment basis, such as mood and fatigue	Health Attitudes Profession Socio-cultural background
Context domains
Temporal Context Domain	The temporal domain describes concepts related to time and timing. Time does not have to be defined with standard temporal units such as hours or minutes but may also be defined using concepts in relation to other activities such as ‘after lunch’, or ‘when coming home’	Seasons Timestamps Working hours
Physical Context Domain	This domain describes the physical environment of an individual. This includes factors related to the built environment or natural environment, either stable factors, such as infrastructure, or dynamic factors, such as weather	Weather Location
Social Context Domain	The context domain describes the social context, either stable or dynamic factors	Friends Family Cohabitants