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Targeted Training of Ultrasonic Vocalizations in Aged and Parkinsonian Rats
Published on: August 8, 2011
Utility of Targeted Recruitment Methods to Study Age-Related Otolaryngology Conditions
Daniel Giles1, Zach Soler1, Mathew J Gregoski2
1Department of Otolaryngology - Head and Neck Surgery, Medical University of South Carolina, Charleston, SC, USA.
The Annals of Otology, Rhinology, and Laryngology
|August 7, 2026
Summary
Targeted recruitment strategies effectively enrolled a more diverse population in a study on olfactory dysfunction in older adults. This approach improved representation compared to online methods, addressing clinical research underrepresentation.
Area of Science:
- Gerontology
- Clinical Research Methodology
- Public Health
Background:
- Olfactory dysfunction is prevalent in older adults.
- Underrepresentation of diverse populations in clinical research is a significant issue.
- Current recruitment methods may not adequately capture diverse demographics.
Purpose of the Study:
- To compare demographic and comorbidity profiles across different recruitment methods for a study on olfactory dysfunction in older adults.
- To evaluate the effectiveness of targeted recruitment versus online approaches in achieving representative sampling.
- To identify strategies for improving diversity in clinical trial participant enrollment.
Main Methods:
- Cross-sectional analysis of 376 community-dwelling adults aged 50 and older.
- Categorization of recruitment methods into 8 distinct types.
- Collection of demographic, comorbidity, and olfactory health data via surveys.
- Descriptive statistical analysis of the participant cohort.
Main Results:
- Targeted recruitment yielded higher proportions of Non-White participants.
- Targeted methods resulted in participants with lower educational attainment and alcohol consumption.
- Increased rates of hypertension, non-insulin dependent diabetes, and cardiac comorbidities were observed with targeted recruitment.
- Non-targeted methods, particularly online approaches, showed less demographic diversity.
Conclusions:
- Tailored recruitment strategies are effective in enrolling representative populations for clinical studies.
- Targeted methods enhance diversity in terms of race, socioeconomic status, and health conditions.
- Addressing underrepresentation in clinical research is crucial and achievable through strategic recruitment.

