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Varni JW, Delamater AM, Hood KK, Raymond JK, Chang NT, Driscoll KA, Wong JC, Yi-Frazier JP, Grishman EK, Faith MA, Corathers SD, Kichler JC, Miller JL, Doskey EM, Aguirre VP, Heffer RW, Wilson DP. Pediatric Quality of Life Inventory (PedsQL) 3.2 Diabetes Module for youth with Type 2 diabetes: reliability and validity. Diabet Med 2019; 36:465-472. [PMID: 30343524 DOI: 10.1111/dme.13841] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/18/2018] [Indexed: 12/26/2022]
Abstract
AIM To test the measurement properties of the revised and updated Pediatric Quality of Life Inventory (PedsQL) 3.2 Diabetes Module originally developed in Type 1 diabetes in youth with Type 2 diabetes. METHODS The PedsQL 3.2 Diabetes Module and PedsQL Generic Core Scales were administered in a field test study to 100 young people aged 9-25 years with Type 2 diabetes. Factor analysis was conducted to determine the factor structure of the items. RESULTS The 15-item Diabetes Symptoms Summary Score and 12-item Type 2-specific Diabetes Management Summary Score were empirically derived through factor analysis. The Diabetes Symptoms and Type 2-specific Diabetes Management Summary Scores showed acceptable to excellent reliability across the age groups tested (α = 0.85-0.94). The Diabetes Symptoms and Type 2-specific Diabetes Management Summary Scores evidenced construct validity through large effect size correlations with the Generic Core Scales Total Scale Score (r = 0.67 and 0.57, respectively). HbA1c was correlated with the Diabetes Symptoms and Type 2-specific Diabetes Management Summary Scores (r = -0.13 and -0.22). Minimal clinically important difference (MCID) scores were 5.91 and 7.39 for the Diabetes Symptoms and Type 2-specific Diabetes Management Summary Scores. CONCLUSIONS The PedsQL 3.2 Diabetes Module Diabetes Symptoms Summary Score and Type 2-specific Diabetes Management Summary Score exhibited satisfactory measurement properties for use as youth self-reported diabetes symptoms and diabetes management outcomes for clinical research and clinical practice for young people with Type 2 diabetes.
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Affiliation(s)
- J W Varni
- Department of Pediatrics, College of Medicine and Department of Landscape Architecture and Urban Planning, College of Architecture, Texas A&M University, College Station, TX
| | - A M Delamater
- Department of Pediatrics, Mailman Center for Child Development, University of Miami Miller School of Medicine, Miami, FL
| | - K K Hood
- Division of Pediatric Endocrinology and Diabetes, Stanford University School of Medicine, Stanford, CA
| | - J K Raymond
- Center for Endocrinology, Diabetes, & Metabolism, Children's Hospital Los Angeles, Los Angeles, CA
| | - N T Chang
- Center for Endocrinology, Diabetes, & Metabolism, Children's Hospital Los Angeles, Los Angeles, CA
| | - K A Driscoll
- Department of Pediatrics, Barbara Davis Center for Diabetes, University of Colorado Denver, Denver, CO
| | - J C Wong
- The Madison Clinic for Pediatric Diabetes and Department of Pediatrics, Division of Endocrinology, University of California San Francisco, San Francisco, CA
| | | | - E K Grishman
- Department of Pediatrics, Division of Pediatric Endocrinology, University of Texas Southwestern Medical Center, Dallas, TX
| | - M A Faith
- Department of Pediatrics, Division of Pediatric Endocrinology, University of Texas Southwestern Medical Center, Dallas, TX
| | - S D Corathers
- Department of Pediatrics, Division of Endocrinology, Cincinnati, OH
| | - J C Kichler
- Department of Pediatrics, Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH
| | - J L Miller
- Division of Pediatric Endocrinology, Ann and Robert H. Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - E M Doskey
- Department of Educational Psychology, Texas A&M University, College Station, College Station, TX
| | - V P Aguirre
- Department of Psychological and Brain Sciences, Texas A&M University, College Station, College Station, TX
| | - R W Heffer
- Department of Psychological and Brain Sciences, Texas A&M University, College Station, College Station, TX
| | - D P Wilson
- Cook Children's Medical Center, Fort Worth, TX, USA
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