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Published on: January 11, 2020
Recruitment Mode Selectivity and Interview Mode Measurement Effects in a Population-Based Assessment of Cognitive
Nicholas Hartman1, Emily M Briceño2,3, Roshanak Mehdipanah4
1Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, Michigan, USA.
International Journal of Methods in Psychiatric Research
|June 15, 2026
Summary
Recruitment methods significantly impact cognitive assessment results, affecting eligibility and scores. While demographic adjustments help, interview mode differences persist in cognitive testing.
Area of Science:
- Neuroscience and Cognitive Aging Research
- Epidemiology and Public Health Surveillance
Background:
- Population-based cognitive assessments are crucial for understanding brain health trends.
- The Montreal Cognitive Assessment (MoCA) and Harmonized Cognitive Assessment Protocol (HCAP) are widely used tools.
- Understanding recruitment and interview mode effects is vital for accurate population-level data interpretation.
Purpose of the Study:
- To investigate recruitment mode selection effects on cognitive assessment outcomes.
- To examine interview mode measurement effects in population-based MoCA and HCAP applications.
- To analyze differences in participant demographics and cognitive scores across various recruitment and interview methods.
Main Methods:
- Utilized data from the Brain Attack Surveillance in Corpus Christi-Cognitive (BASIC-C) study.
- Compared participant demographics (N=2220) across in-person, telephone, and community recruitment modes (2018-2023).
- Employed statistical models to assess differences in harmonized MoCA scores, HCAP eligibility, completion, and cognitive domain measures.
Main Results:
- Significant recruitment mode selection effects were observed, impacting HCAP eligibility odds (ORs 0.51, 1.32; p < 0.001).
- In-person and telephone interview modes showed significant differences in harmonized MoCA score categories (Cum OR=1.58; p < 0.001) and HCAP domain scores.
- Demographic adjustments attenuated but did not eliminate interview mode measurement effects on cognitive scores.
Conclusions:
- Recruitment mode selection effects largely explain observed differences in MoCA screening and HCAP outcomes.
- Interview mode measurement effects on cognitive domain scores were not fully resolved by statistical adjustments.
- Findings highlight the importance of considering recruitment and interview modes in population-based cognitive health studies.
