Biostatistics & Study Design USMLE Step 1 Practice Question
A health system evaluates whether a text message reminder program reduces missed insulin follow-up visits among adults with type 2 diabetes (mean age 58 years). The intervention is embedded into routine clinic workflow with broad eligibility criteria, minimal protocol-driven study visits, and uses usual clinic staff. Baseline HbA1c averages 8.2%. The program shows no significant effect on medication adherence rates. No additional safety monitoring beyond standard care is required. Which type of clinical trial design is being conducted?
Answer choices
- ANested case control study
- BEquivalence trial
- CCase crossover study
- DExplanatory efficacy trial
- EPragmatic trialCorrect answer
- FSuperiority trial
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