REDCap Survey Logic

REDCap logic

Setting up Branching for a Measure you want to Add / Edit onto RedCap

1. Add all the items/survey questions onto the new instrument that you created

2. Once all items/survey questions have been added, click on the green arrows icon

3. insert the logic based on your variable name and values assigned to responses then click Save

4. Nice! You did it! Remember to Submit Changes for Review when you are done!

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Another Example: Male Tanner Puberty Questionnaire x2 Logic

Participants complete the Tanner Staging Questionnaire until they indicate Stage 5 for all questions. 

min([behavioral_arm_1][tanner_male_1stage],
    [behavioral_arm_1][tanner_male_2stage],
    [behavioral_arm_1][tanner_male_3stage])<5 or
[behavioral_arm_1][male_tanner_staging_complete] = 0