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Published on: January 12, 2018
Comparing two sampling methods to engage hard-to-reach communities in research priority setting.
Melissa A Valerio1, Natalia Rodriguez2, Paula Winkler2,3
1Department of Health Promotion and Behavioral Science, University of Texas School of Public Health in San Antonio, 7411 John Smith Drive, Suite 1100, San Antonio, TX, 78229, USA.
Snowball sampling effectively engaged more Hispanic and disabled individuals in chronic pain research compared to purposive sampling. Both methods identified similar community priorities for non-pharmacologic pain management interventions.
Area of Science:
- Community-Engaged Research
- Health Disparities
- Pain Management
Background:
- Effective community-partnered research requires addressing community priorities.
- Optimal sampling methods for engaging vulnerable populations in priority setting are unknown.
Purpose of the Study:
- To compare snowball sampling and purposive sampling for recruiting stakeholders in hard-to-reach communities.
- To identify research priorities for chronic pain management.
Main Methods:
- Two rural, Hispanic communities used different sampling methods (snowball vs. purposive/convenience).
- Community advisory boards guided recruitment and facilitated meetings for priority generation.
- Mixed methods analysis compared recruitment, retention, and stakeholder-identified priorities.
Main Results:
- Snowball sampling recruited more Hispanic and disabled individuals (P < 0.05).
- Recruitment and retention rates varied between methods.
- Both communities identified similar research priorities, focusing on non-pharmacologic pain interventions.
Conclusions:
- Snowball sampling demonstrated superior engagement of specific demographic groups.
- Despite different recruitment strategies, research priorities were largely consistent.
- Further research on implementation costs for snowball sampling is recommended.
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