Table 2.

Considerations for outcome measures: search strategies

Outcome measures were identified searching electronic databases: Medline, Embase, PsychINFO, CINAHL Hand searching and backward chaining was undertaken Key words for patient-reported outcomes and performance measures: physical activity, functioning, function, motor activity, activities of daily living, activity, exercise questionnaire*, scale, tool, assessment, self-report, measure* chronic disease, chronic condition, pain, chronic pain, musculoskeletal, rheumat*, long term conditions, older adults Key words for observer, laboratory and other outcome measures: physical activity, physical function, physical functioning, exercise, motor activity, pain, chronic pain, musculoskeletal pain, performance measures, observation, six minute walk test, timed up and go test Inclusion criteria: research from 1980 to present day, in English, published in peer review journals Exclusion criteria: pre 1980 unless a seminal or key paper, studies looking at athletic performance, sports, children and adolescents, studies looking at the aging process devoid of long term conditions and in post-acute care rehabilitation.

^*In the place of a character in the search term indicates that any number of characters can be substituted in place of the asterisk