Table 2 Overview of outcome measures

Sociodemographic

Depression and Anxiety

Patient Health Questionnaire-4

Knee Function

Knee OA and Outcome Score (KOOS)

Arthritis status

Pain catastrophizing/ fear of movement

Brief fear of movement

Quality of Life

EQ-5D

Comorbidities and Functional Status

Pain experience

Pain intensity and interference PEG Scale

Physical Performance

Gait Speed

Time-up-and-Go (TUG)

Sit-to-stand (STS)

Stair climb

Social support

Multidimensional Scale of Perceived Social Support

Physical Activity Level

Step count

UCLA activity level

Built Environment^a

Built environment questionnaire

Dietary behaviour

Dietary Questionnaire

Chronic Illness Shame^a

Chronic Illness Shame Scale

Global assessment

Global Perceived Effect

Religion and Spirituality^a

Religion questionnaire

Symptom Satisfaction

Patient Acceptable Symptom Scale

Injustice experience^b

Injustice Experience Questionnaire

Cost, Productivity and Healthcare Utilization

OA Cost and Consequences Questionnaire (including indirect costs and productivity)

Self-efficacy^b

Arthritis Self-Efficacy Scale

OA Care Quality^a

OA Quality Indicator (OA-QI)