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ISSN 0210-5187 (Electronic)

2010, Number 6

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Med Cutan Iber Lat Am 2010; 38 (6)

Brazilian-portuguese version of the Children’s Dermatology Life Quality Index (CDLQI): validity study

Prati C, Comparin C, Catucci BJ, Ferreira CT

Language: Portugués
References: 15
Page: 229-233
PDF size: 89.06 Kb.


Text Extraction

Introduction: Skin disorders may interfere in the individual’s quality of life (QoL), independently of the severity of clinical manifestations. The Children’s Dermatology Life Quality Index (CDLQI) was created for children between 4 and 16 years old and the aim of this study is to verify its reliability and validity for Brazilian pediatric patients.
Methods: The sample was composed by 315 children aging between 4 and 6 years: 216 dermatology out-patients (cases), 50 pediatric patients without skin diseases (sick controls) and 49 children from a public school (normal controls). The internal consistency was calculated by the Cronbach’s alpha; test-retest reliability was assessed by the intra-class correlation test 1 week after the first visit. Demographic variables were evaluated by means and standard deviation.
Results: The average age was 10.2 years (SD 3.2) for cases, 7.6 (SD 2.9) for sick controls and 9.2 (SD 0.96) for normal controls. These parameters did not interfere in CDLQI score results. The Cronbach’s alpha for the cases sample was 0.72 and the intra-class correlation (test-retest reliability) was 0.892 (0.787-0.946). The covariance analysis showed a significant difference between the scores of cases (3.7) and controls (0.68 and 0,67). Questions relating to symptoms and feelings (1 and 2) scored highest overall.
Comments: The results obtained by this study confirmed that the Brazilian-Portuguese version of the Children’s Dermatology Life Quality Index (CDLQI-PBr) could be recommended for the assessing of QoL for dermatological pediatric patients in our population. The instrument showed internal consistency and validity similar to the original version.


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