question: Compared to Control what was the result of Periodic Email Prompt on Revisiting the program?
context: A total of 113 participants (6.3%) reacted to the email prompt after 3 months and revisited the program. This number was significantly higher than in the no-prompting condition that received no additional reminder (n = 0, 0.0%; OR 28.92, CI 10.65–78.52; P < .001).