Table 4.

Specification of the potent behavior change techniques (BCTs) used in the PANORAMA intervention

Components of the intervention	Behavior change techniques
PA counselling/motivational interviewing	1.1 Goal setting (behavior) 1.2 Problem solving 1.4 Action planning 8.7 Graded task 9.2 Pros and cons 15.1 Verbal persuasion about capabilities
Surgeon-led patient education video regarding PA after THA	4.1 Instruction on how to perform the behavior 5.1 Information about health consequences 5.6 Information about emotional consequences 6.1 Demonstration of the behavior 6.3 Information about others approval 8.2 Behavior substitution 8.7 Graded tasks 9.1 Credible source 15.1 Verbal persuasion about capabilities
Leaflet (signed by surgeons (+picture)) regarding PA after THA	4.1 Instruction on how to perform the behavior 5.1 Information about health consequences 5.6 Information about emotional consequences 8.2 Behavior substitution 9.1 Credible source
Information leaflet about pedometer, step-counting journal, goal setting, and strategies to increase daily PA	4.1 Instruction on how to perform the behavior 5.1 Information about health consequences 6.1 Demonstration of the behavior 6.3 Information about others approval 8.2 Behavior substitution 8.3 Habit formation 8.4 Habit reversal 8.7 Gradual tasks 13.2 Framing/reframing
Pedometers	2.4. Self-monitoring of outcome of behavior 7.1 Prompts/cues
Step-counting journal	2.3 Self-monitoring of behavior 2.4. Self-monitoring of outcome of behavior 7.1 Prompts/cues
Telephone-assisted counselling	1.1 Goal setting (behavior) 1.2 Problem solving 1.4 Action planning 1.5. Review behavior goals 2.7 Feedback on outcome(s) of behavior 8.7 Graded task 9.2 Pros and cons 10.4 Social reward 15.1 Verbal persuasion about capabilities

Abbreviations: PA physical activity, THA total hip arthroplasty