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      Short Form of the Chinese Version Diabetes Quality of Life for Youth Scale : A psychometric testing in Taiwanese adolescents with type 1 diabetes

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      , PHD, RN 1 , , MD 2 , , MD 3 , , DNSC, RN 4 , , MD, MS 5 , 6
      Diabetes Care
      American Diabetes Association

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          Abstract

          OBJECTIVE

          To test the psychometric properties of the short form of the Chinese version Diabetes Quality of Life for Youth scale (C-DQOLY-SF).

          RESEARCH DESIGN AND METHODS

          A 30-item C-DQOLY-SF was administered to 371 adolescents with type 1 diabetes. Exploratory and confirmatory factor analysis, correlation with HbA 1c, internal consistency, and test-retest reliability were used to examine the psychometric characteristics of C-DQOLY-SF.

          RESULTS

          A 25-item questionnaire with three correlated second-order factor structures best fitted data. Scores on the 25-item C-DQOLY-SF significantly correlated with HbA 1c values. Cronbach’s α and ICCs of each scale and subscale ranged from 0.77 to 0.90 and from 0.70 to 0.92, respectively.

          CONCLUSIONS

          The C-DQOLY-SF has satisfactory reliability and validity. The C-DQOLY-SF can be conveniently used in clinical settings to assess the quality of life of adolescents with type 1 diabetes.

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          Most cited references6

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          The PedsQL in type 1 and type 2 diabetes: reliability and validity of the Pediatric Quality of Life Inventory Generic Core Scales and type 1 Diabetes Module.

          The Pediatric Quality of Life Inventory (PedsQL) is a modular instrument designed to measure health-related quality of life (HRQOL) in children and adolescents aged 2-18 years. The PedsQL 4.0 Generic Core Scales are child self-report and parent proxy-report scales developed as the generic core measure to be integrated with the PedsQL disease-specific modules. The PedsQL 3.0 Type 1 Diabetes Module was designed to measure diabetes-specific HRQOL. The PedsQL Generic Core Scales and Diabetes Module were administered to 300 pediatric patients with type 1 or type 2 diabetes and 308 parents. Internal consistency reliability for the PedsQL Generic Core Total Scale score (alpha = 0.88 child, 0.89 parent-report) and most Diabetes Module scales (average alpha = 0.71 child, 0.77 parent-report) was acceptable for group comparisons. The PedsQL 4.0 distinguished between healthy children and children with diabetes. The Diabetes Module demonstrated intercorrelations with dimensions of generic and diabetes-specific HRQOL. The results demonstrate the reliability and validity of the PedsQL in diabetes. The PedsQL may be used as an outcome measure for diabetes clinical trials and research.
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            Health-related quality of life of children and adolescents with type 1 or type 2 diabetes mellitus: SEARCH for Diabetes in Youth Study.

            To examine the associations between demographic and diabetes management variables and the health-related quality of life (HRQOL) of youths with type 1 or type 2 diabetes mellitus (DM). Cross-sectional study. Selected populations in Ohio, Washington, South Carolina, Colorado, Hawaii, and California; health service beneficiaries in 3 American Indian populations; and participants in the Pima Indian Study in Arizona. Two thousand four hundred forty-five participants aged 8 to 22 years in the SEARCH for Diabetes in Youth Study. Pediatric Quality of Life Inventory scores. Among youths with type 2 DM, HRQOL was lower compared with those with type 1. Among those with type 1 DM, worse HRQOL was associated with a primary insurance source of Medicaid or another government-funded insurance, use of insulin injections vs an insulin pump, a hemoglobin A(1c) value of at least 9%, and more comorbidities and diabetes complications. There was a significant age x sex interaction, such that, in older groups, HRQOL was lower for girls but higher for boys. For youths with type 2 DM, injecting insulin at least 3 times a day compared with using an oral or no diabetes medication was associated with better HRQOL, and having 2 or more emergency department visits in the past 6 months was associated with worse HRQOL. Youths with types 1 and 2 DM reported HRQOL differences by type of treatment and complications. The significant age x sex interaction suggests that interventions to improve HRQOL should consider gender differences in diabetes adjustment and management in different age groups.
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              Measuring self-reported, health-related, quality of life in adolescents with type 1 diabetes using both generic and disease-specific instruments.

              To describe perceived functional health and well-being and diabetes-related impact, worry and satisfaction with life in relation to demographic and clinical variables in a population of adolescents with type 1 diabetes. To compare perceived functional health and well-being between adolescents with diabetes and a group of healthy controls and to analyse the relationship between generic functional health and well-being and diabetes-related impact, worry and satisfaction with life. A total of 130 adolescents were invited to complete the Child Health Questionnaire (CHQ-CF87) and the Diabetes Quality of Life (DQOL) questionnaire modified for youths. A total of 115 (88.5%) subjects participated in the study; mean age 14.5 y (SD 1.86), mean duration of diabetes 6.99 y (SD 3.77, range 1-16 y), mean HbA1c 9.3% (SD 1.62, range 6.2-14.0%). Forty-eight percent of the subjects were girls. When compared with healthy adolescents, subjects with diabetes reported a significantly lower degree of general health. The CHQ-CF87 scales showed that higher age in adolescents with diabetes was associated with lower scores for mental health (p < 0.001), self-esteem (p < 0.001), behaviour (p = 0.004) and general health (p < 0.001). Findings from the DQOL questionnaire showed that older adolescents were more worried (p < 0.001), perceived a greater impact of diabetes on daily life (p = 0.008) and lower diabetes-related life satisfaction (p < 0.001). The scores for girls were lower than those for boys in assessment of mental health (p < 0.001), self-esteem (p = 0.004) and family cohesion (p = 0.002). Girls also reported a greater impact of diabetes (p = 0.028), more worries (p = 0.001) and less satisfaction with life (p = 0.006) than boys. Neither HbA1c, nor other clinical variables could sufficiently explain the variations in DQOL or CHQ-CF87. Health-related quality of life varied significantly by age and gender, but less so by HbA1c and other clinical variables. Adolescents with diabetes reported a significantly lower degree of general health than that reported by healthy controls. The CHQ-CF87 is a valuable supplement to DQOL, allowing for comparisons with the general population.
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                Author and article information

                Journal
                Diabetes Care
                diacare
                dcare
                Diabetes Care
                Diabetes Care
                American Diabetes Association
                0149-5992
                1935-5548
                September 2011
                19 August 2011
                : 34
                : 9
                : 1943-1945
                Affiliations
                [1] 1College of Nursing, Kaohsiung Medical University, Kaohsiung, Taiwan
                [2] 2Division of Endocrinology, Department of Pediatrics, Chang Gung Memorial Hospital, College of Medicine, Chung Gung University, Taoyuan, Taiwan
                [3] 3Department of Pediatrics, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
                [4] 4Department of Nursing, Meiho University, Ping Tung, Taiwan
                [5] 5Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan
                [6] 6Department of Pediatrics, Taipei Medical University, Taipei, Taiwan
                Author notes
                Corresponding author: Yann-Jinn Lee, yannlee@ 123456ms2.mmh.org.tw .
                Article
                0705
                10.2337/dc11-0705
                3161278
                21788630
                8cc04548-a06c-4da8-982d-f38025140757
                © 2011 by the American Diabetes Association.

                Readers may use this article as long as the work is properly cited, the use is educational and not for profit, and the work is not altered. See http://creativecommons.org/licenses/by-nc-nd/3.0/ for details.

                History
                : 14 April 2011
                : 19 June 2011
                Categories
                Original Research
                Clinical Care/Education/Nutrition/Psychosocial Research

                Endocrinology & Diabetes
                Endocrinology & Diabetes

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