The construct is comprised of three dimensions: control, commitment, and challenge.
The HUI3 was developed to address concerns surrounding certain definitions in the HUI2 [ 24], and is comprised of eight dimensions (vision, hearing, speech, cognition, pain, emotion, ambulation, and dexterity) with five or six ordered levels of severity for each dimension.
The EQ-5D, a 5-item-questionnaire, developed by the EuroQoL-group (http://www.euroqol.org), is comprised of five dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression.
This framework is comprised of nine dimensions that guide observations: the physical space; people involved; related acts people do; objects present; single actions; set of related activities carried out; sequencing over time; goals people try to accomplish; emotions felt and expressed.
Penchansky and Thomas described healthcare access as being comprised of five dimensions; availability, affordability, accessibility, accommodation, and acceptability [ 17].
This dimension is comprised of two sub-dimensions: consequences positive (e.g., 'As I get older I get wiser') and consequences negative (e.g., 'Getting older makes me less independent').
The experience is comprised of two components.
The optimization is comprised of two stages.
It is comprised of two subsystems.
