Keep on running – a randomized controlled trial to test a digital evidence-based intervention for sustained adoption of recreational running: rationale, design and pilot feasibility study

Figures & data

Figure 1. KoR's Logic Model.

Figure 2. Organization of participant groups.

Figure 3. Participants’ timeline (CID – clinical investigation day).

Figure 4. Screenshots of the intervention toolkit.

Table 1. Overview of weekly text messages to participants.

Text reminder 1	Good afternoon runner, you have already registered on the website http://kor.fmh.ulisboa.pt/. By now, you will have received an email to validate your account. Good races!
Text reminder 2	Good morning Athlete, have you had the opportunity to explore the contents and activities of the KoR program? Good Sunday wishes.
Text reminder 3	Good morning Athlete, how about a visit to the KoR program during today? This is the third of 11 reminders. Good races
Text reminder 4	Good morning Athlete, how is the exploitation of KoR content RUNNING? Good races
Text reminder 5	Good afternoon Athlete, you can do the activities of the KoR program at your own pace. How's your run going? Good races
Text reminder 6	Good afternoon Athlete, fortunately tomorrow is already cooling. We have now spent half of the KoR program. We hope you’re enjoying it. Good runs (in the shade)
Text reminder 7	Good afternoon, this is the 7th of 11 messages. At this point, you may have finished exploring the content or just be at the beginning. You can continue to enjoy content at your own pace. Good races
Text reminder 8	Good morning, the heat returned and we are on the final stretch of the KoR program. On vacation or at work we hope you are enjoying the program and your races. Good races
Text reminder 9	Good afternoon athlete! It is now just a little bit to finish your trip in the KoR toolkit. I hope you’re enjoying it. Good races
Text reminder 10	Good morning athlete! Weekend it is here, and a nice time for a run. This is the penultimate sms of the KoR program. You have certainly had the opportunity to explore the contents of the toolkit and reflect on your run. Best wishes for a great weekend
Text reminder 11	Good afternoon athlete! This will be the last message / reminder to access the KoR program. During this week, you will also be able to access the contents and register your race. Soon I will send you the link to complete the completion questionnaire. Have a nice week and good races

Figure 5. CONSORT diagram.