Table 2.

Activities during the twelve intervention sessions

	Sessions
	1	2	3	4	5	6	7	8	9	10	11	12
Aerobic and muscle-strengthening exercises	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
Pre and post-test survey	✓											✓
Worksheet: Music for class and how to use Facebook page	✓
Worksheet and Class Discussion: Values, goals, and how PA fits in their lives		✓
Worksheet: Types of PA they enjoy, Class Discussion: What they know about PA, more information about PA			✓
Short IPAQ and CEMI				✓				✓
Class Discussion: Feedback about the PA they do versus the CDC Guidelines				✓
Worksheet and Class Discussion: If participant wants to change the amount or type of PA they do, confidence strengthening worksheet; if participant doesn’t want to change their PA, barriers to change worksheet.					✓
Worksheet and Class Discussion: If participant want to change PA, signed contract describing their plan to change; if they don’t want to change PA, barriers to change worksheet.						✓
Instructor has individual discussions with participants who do not have a plan to change their PA.							✓
Worksheet and Class Discussion: Assess current level of progress with PA change. If unsuccessful, develop new plan.								✓
Class Discussion: PA with family, friends and pets									✓
Class Discussion: Instructor decides on topic and leads an SDT and MI-consistent discussion										✓	✓
CEMI and Survey about participants’ perception of the study												✓

Pre and post-test survey The consent form, Demographics (age, sex, race, education, and income information), The Support for Exercise Habit Scale, Basic Psychological Needs in Exercise Scale, Behavioural Regulation in Exercise Questionnaire, The Integrated Regulation Items, and The Psychological General Well-Being Index, PA Physical Activity, Short IPAQ and CEMI Short version of the International Physical Activity Questionnaire and the Client Evaluation of Motivational Interviewing Scale