Análise fatorial confirmatória da Depression Anxiety Stress Scale em pessoas com doença renal crónica

Translated title of the contribution: Confirmatory factor analysis of the Depression Anxiety Stress Scale in chronic kidney disease

Luís Sousa, Cristina Marques-Vieira, Sandy Severino, José Carlos Gomes, Helena Maria Guerreiro José

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Abstract

BACKGROUND: The Depression Anxiety Stress Scale (DASS) was developed by Lovibond & Lovibond in 1995 with the objective of evaluating the symptoms of anxiety and depression. The Portuguese version of the DASS with 21 items (DASS-21) confirmed having identical properties as those of the original version. AIM: Confirm the structure of DASS-21 in people with chronic kidney disease on dialysis. METHOD: Methodological study. A representative sample of 159 people with chronic kidney disease on dialysis was obtained in two clinics in the Lisbon region and a nephrology department in a Lisbon hospital center, Portugal. Data collection occurred from may to june 2015. A confirmatory factor analysis was developed using the AMOS software. The following parameters were used: ratio between Chi squared and the degrees of freedom (Χ2/g.l), goodness-of-fit index (GFI), comparative fit index (CFI), Tucker-Lewis index (TLI) and root mean square error of approximation (RMSEA). RESULTS:The following was obtained:Χ2/g.l=1,980, GFI=0,84, CFI=0,87, TLI=0,85 and RMSEA=0,08, which shows being a good adjustment for the hypothesis of the solution of two factors. The solution proposed in the original version and in the Portuguese version is not confirmed (three factors). CONCLUSIONS: The portuguese version of the DASS presents two factors and is valid for measuring Stress/Anxiety and Depression, in people with chronic kidney disease.
Translated title of the contributionConfirmatory factor analysis of the Depression Anxiety Stress Scale in chronic kidney disease
Original languagePortuguese
Pages (from-to)13-18
Number of pages6
JournalRevista Portuguesa de Enfermagem de Saúde Mental
Issue number5
DOIs
Publication statusPublished - 1 Aug 2017

Keywords

  • Chronic renal insufficiency
  • Depression
  • Anxiety
  • Validation studies

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