The distinctions between evidence-based approaches in medicine and public health generally center on differences in the quality of evidence: Medical studies often rely on cross-sectional and quasi-experimental designs, whereas public health interventions usually rely on randomized trials of individuals with a comparison or control group.

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Medical studies often rely on randomized controlled trials (RCTs) for high-quality evidence, while public health interventions may use a variety of study designs, including cross-sectional and quasi-experimental designs, due to practical and ethical considerations.

The Distinctions Between Evidence-Based Approaches in Medicine and Public Health