Table 1.

Details of the MOV’D (Move Often Every Day) study components.

Study component	Delivery method	Delivery frequency	Description	Examples
Behavior change technique educational videos	Hyperlinked group chat message	Weekly (Sunday) in the evening	Short (4-5 minutes) videos that briefly describe a behavior change technique and how one can incorporate it into their daily life	Avoiding the “What the Hell” Effect: how to stop a slip up from becoming a dive bomb; Fix Faulty Thinking: how shifting your thoughts can help change your behavior
Daily reinforcement prompts	Group chat message	Daily (weekdays) in the morning	1-2 sentences that reinforce the ideas presented in the weekly behavior change technique videos and encourage engagement in the group chat	A situation plan for this week: add something to your workplace that makes it easier to do your snacktivities. What can you ADD to make snacktivities easier?
Exercise snack video suggestion	Hyperlinked group chat message	Daily (weekdays) in the morning	Short (2-5 minutes) follow-along exercise snacks video suggestions	4 min* Jump squat & Mountain climbers, Hip Hop Movement Break
Group support	Twitter (cohort 1); GroupMe (cohorts 2-3)	Daily (weekdays and weekends) throughout day	Cohort-size group (10-xx) chat, with buddy pairs within; encouraged to message every day	How did things go yesterday? It was a tough go for me, but I was still able to get 3 snacktivities
Exercise snack breaks (behavior)	Performed at work or at home	Participant-selected (1-5 times per day)	Weekly goal set on Sunday of how many exercise breaks they hoped to take each workday. They would utilize our videos or come up with their own exercise snacks	Walking briskly up and down the stairs for 3 minutes, YouTube video of the participant’s choosing, any of our exercise snack video suggestions
Behavior tracking	Text message	Daily (weekdays and weekends) in the evening	Daily autogenerated text messages prompt daily exercise snack tracking	How many snacktivities did you perform today?