Table 1.

Inclusion and Exclusion Criteria

Inclusion criteria	Exclusion criteria
• Peer-reviewed, original research article	• Studies that combined AIAN populations with other ethnic/racial population groups
• Published in English
• Study took place in the United States	• Studies on prevalence, correlates, or determinants
• Study participants’ age criteria: 50 years or above, or sample mean age: 55 years and above	• Abstracts, conference proceedings, dissertations, conceptual papers, commentaries, and reviews of the literature
• Individual- or community-level interventions	• Studies that present rationale and methods only
• Experimental or quasi-experimental design
• Controlled and uncontrolled studies
• Measured and reported results on at least one PA-related outcome (e.g., PA participation, PA level, self-efficacy for PA, or other behavioral outcomes such as social or environmental support for PA or motivation for PA)

Note: AIAN = American Indian and Alaska Native; PA = physical activity.