Table 1.

Study Measures, Concepts, and Theoretical Definitions.

Measure	Concept/Subconcepts	Definition
Adapted Self-Efficacy and Exercise Habits Survey	Self-efficacy for PA	Confidence to continue PA despite barriers
	• Sticking to it
	• Making time	Confidence to dedicate time to PA
Investigator-developed questions	Motivation for PA	Motivated by another to be physically active
INCOM	Social Comparison Orientation
	• Abilities	Self-evaluation of performance compared to others
	• Opinions	Self-evaluation of thoughts and feelings compared to others
Adapted SCMS	Social Comparison Motives
	• Distancing	To want to be unlike someone else
	• Similarity identification	Recognition of shared attributes with someone else (age, job, and family status)
	• Self-enhancement	To feel good about oneself
	• Modeling	To follow the example of someone else
	• Future self	To think about oneself in the future

Note. PA = physical activity; INCOM = Iowa-Netherlands Comparison Orientation Measure; SCMS = Social Comparison Motives Scale.