The Problem Areas in Diabetes (PAID) scale: Psychometric evaluation survey in a Greek sample with type 2 diabetes

A. Papathanasiou, A. Koutsovasilis, S. Shea, A. Philalithis, S. Papavasiliou, A. Melidonis, C. Lionis

Research output: Contribution to journalArticlepeer-review

Abstract

The aim of this study was to translate the Problem Areas in Diabetes (PAID) scale into Greek, adapt it culturally to Greece and determine its psychometric properties. The translation process included two forward translations, reconciliation, backward translation and pre-testing steps. The validation incorporated the exploration of internal consistency (Cronbach's alpha), test-retest reliability (interclass correlation coefficient), construct validity (exploratory factor analysis) and responsiveness (Spearman correlation coefficient). Participants included 101 consecutive patients from a rural primary healthcare centre and 101 patients from an urban hospital. All patients completed the PAID scale and the Short Form-36 (SF-36) version 2. Internal consistency considered good (Cronbach's alpha=0.948). Interclass correlation coefficient was 0.942 (95% CI 0.915-0.961). Factor analysis yielded three factors: 'Diabetes-related emotional problems' (51.79% variance, Cronbach's alpha=0.910), 'Food-related problems' (9.55% variance, Cronbach's alpha=0.824) and 'Social support-related problems' (5.96% variance, Cronbach's alpha=0.704). Scree plot test and conceptual congruency of items supported a three-factor solution. Total PAID showed a negative correlation with both SF-36 mental component summary (r=-0.733, P<0.0001) and SF-36 physical component summary (r=-0.594, P<0.0001). Our findings indicate that the Greek version of the PAID questionnaire is reliable and valid for patients with diabetes mellitus in Greece.

Original languageEnglish
Pages (from-to)345-353
Number of pages9
JournalJournal of Psychiatric and Mental Health Nursing
Volume21
Issue number4
DOIs
Publication statusPublished - 2014

Keywords

  • Diabetes mellitus
  • Problem Areas in Diabetes scale
  • Quality of life

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