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Published on: June 12, 2020
Development and psychometric assessment of the collaborative care for attention-deficit disorders scale
James P Guevara1, Paul E Greenbaum, David Shera
1Division of General Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA. guevara@email.chop.edu
Insights
The Collaborative Care for Attention-Deficit Disorders Scale (CCADDS) shows reliable measurement of collaborative care for children with ADHD in primary care. Further research is needed to confirm its validity and guide score interpretation.
Area of Science:
- Pediatric Healthcare
- Mental Health Services Research
- Psychometrics
Background:
- Children with attention-deficit/hyperactivity disorder (ADHD) often receive care in primary settings.
- Effective collaborative care models are crucial for managing ADHD in pediatric primary care.
- Validated instruments are needed to assess the quality of collaborative care processes.
Purpose of the Study:
- To develop the Collaborative Care for Attention-Deficit Disorders Scale (CCADDS).
- To evaluate the psychometric properties, including validity and reliability, of the CCADDS.
- To assess the CCADDS as a measure of collaborative care for pediatric ADHD in primary care.
Main Methods:
- The 41-item CCADDS was developed using existing instruments, literature review, focus groups, and expert input.
- A national mail survey of 600 randomly selected general pediatricians was conducted for field testing.
- Psychometric analyses included common factor analysis, construct validity assessment, and internal consistency reliability (Cronbach's alpha).
Main Results:
- The CCADDS demonstrated good internal consistency (overall alpha = .91; subscales = .80–.89).
- Factor analysis identified three subscales: beliefs, collaborative activities, and connectedness.
- The scale showed moderate correlations with provider psychosocial orientation and mental health referral frequency, suggesting some validity.
Conclusions:
- The CCADDS is a reliable tool for measuring collaborative care processes among primary care clinicians treating children with ADHD.
- Evidence for the validity of CCADDS scores was limited in this study.
- Further research is recommended to confirm psychometric properties, factor structure, and provide score interpretation guidelines.
Objective:
To describe the development and assess the validity and reliability of the Collaborative Care for Attention-Deficit Disorders Scale (CCADDS), a measure of collaborative care processes for children with attention-deficit/hyperactivity disorder who attend primary care practices.
Methods:
Collaborative care was conceptualized as a multidimensional construct. The 41-item CCADDS was developed from an existing instrument, review of the literature, focus groups, and an expert panel. The CCADDS was field tested in a national mail survey of 600 stratified and randomly selected practicing general pediatricians. Psychometric analysis included assessments of factor structure, construct validity, and internal consistency.
Results:
The overall response rate was 51%. Most respondents were male (56%), 46 years old or older (59%), and white (69%). Common factor analysis identified 3 subscales: beliefs, collaborative activities, and connectedness. Internal consistency reliability (coefficient alpha) for the overall scale was .91, and subscale scores ranged from .80 to .89. The CCADDS correlated with a validated measure of provider psychosocial orientation (r = -.36, P < .001) and with self-reported frequency of mental health referrals or consultations (r = -.24 to -.42, P < .001). CCADDS scores were similar among physicians by race/ethnicity, gender, age group, and practice location.
Conclusions:
Scores on the CCADDS were reliable for measuring collaborative care processes in this sample of primary care clinicians who provide treatment for children with attention-deficit/hyperactivity disorder. Evidence for validity of scores was limited. Future research is needed to confirm its psychometric properties and factor structure and provide guidance on score interpretation.
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