TREND (Transparent Reporting of Evaluations with Nonrandomized Designs) supports nonrandomized public health intervention evaluations.

Improve reporting quality of nonrandomized intervention studies.

Who should use it

Public health researchers and program evaluators.

Recommended for nonrandomized intervention evaluations in public health.

• Intervention description
• Setting and target population
• Evaluation design
• Outcome measures
• Analysis methods
• Limitations

• Intervention components described
• Comparison group rationale
• Outcome measurement validity

• Vague intervention description
• Selection bias unaddressed
• Missing comparison logic