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Summary of peer profile and message selection types during end-user functionality testing stage (5 users; 4 days each).
| Categories | Selections of episodes (n=18), n (%) |
| Upward peer | 3 (17) |
| Lateral peer | 6 (33) |
| Downward peer | 6 (33) |
| No preference for peer | 3 (17) |
| Encouragement message | 6 (33) |
| Tips message | 3 (17) |
| Accountability message | 7 (39) |
| No preference for message | 2 (11) |
