Table 1.

Inclusion and Exclusion Criteria for Articles in the Review.

Features	Inclusion	Exclusion
1. Language	Reported in English	—
2. Cancer Spectrum	Prevention, screening, diagnostic, treatment	—
3. Intervention	Health literacy intervention	Interventions intended to increase clinical trial enrollment
4. Research Methods	Randomized controlled trials, quasi-experimental, pilot, intervention, feasibility	Protocol, cost analysis, process evaluation, non-intervention exploratory study, descriptive, review article, editorial/concept paper, measure development, intervention development with no evaluation or primary data