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Reliability and validity of the DCP among hispanic veterans
Victoria Cunningham1, M Jane Mohler, Christopher S Wendel
1Southern Arizona VA Health Care System, AZ, USA.
Evaluation & the Health Professions
|November 8, 2005
Summary
The Diabetes Care Profile (DCP) is a reliable tool for assessing psychosocial factors in Hispanic veterans with Type 2 diabetes. Its validity is supported, showing consistent results across ethnic groups.
Area of Science:
- Psychosocial aspects of chronic disease management
- Diabetes care research
- Health disparities in veterans
Background:
- The Diabetes Care Profile (DCP) measures psychosocial factors in diabetes treatment.
- Assessing the DCP's utility in diverse patient populations is crucial.
- Understanding psychosocial impacts is key for effective diabetes management.
Purpose of the Study:
- To evaluate the reliability and validity of the Diabetes Care Profile (DCP).
- To assess the DCP's performance in Hispanic veterans with Type 2 diabetes.
- To compare DCP results between Hispanic and non-Hispanic White veterans.
Main Methods:
- Recruited Hispanic (n=81) and non-Hispanic White (n=238) patients from three VA hospitals.
- Calculated scale reliabilities using Cronbach's coefficient alpha.
- Assessed construct and convergent validity using external measures.
Main Results:
- DCP scale reliabilities ranged from .54 to .97 in Hispanics and .63 to .95 in non-Hispanic Whites.
- Only the Monitoring Barriers scale showed a significant difference between ethnic groups.
- Consistent mean values across ethnicities supported construct validity in Hispanics.
Conclusions:
- The Diabetes Care Profile (DCP) demonstrates good reliability and validity in Hispanic veterans with Type 2 diabetes.
- The DCP is a suitable instrument for assessing psychosocial factors in this population.
- Findings support the use of the DCP for research and clinical practice involving diverse veteran groups.