The Bengali Short Form-36 was acceptable, reliable, and valid in patients with rheumatoid arthritis

Abu H.M. Feroz, Nazrul Islam, Peter M. ten Klooster, Mahmud Hasan, Johannes J. Rasker, Syed A. Haq

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Objective To develop a culturally adapted Bengali version of the Short Form-36 (SF-36) Health Survey and to test its acceptability, reliability, and validity in patients with rheumatoid arthritis (RA). Study Design and Setting The US English SF-36 was translated into Bengali after established cross-cultural adaptation procedures. The questionnaire was interviewer administered to 125 consecutive outpatients with RA and readministered after 2 weeks to 40 randomly selected patients. Results Most participants (86.4%) did not have any problem in understanding the Bengali SF-36 and 98.4% of the questionnaires were fully completed. Only the role-physical and role-emotional scales showed substantial floor and ceiling effects. Principal component analysis confirmed that the hypothesized two-factor structure and tests of scaling assumptions were 100% successful for all eight scales expect physical functioning (98.8%) and general health (77.5%). Cronbach's α was higher than 0.78 and the test–retest reliability was high (r > 0.82) for all scales. Correlations with other disease activity parameters were generally as expected and summary scores were able to discriminate between relevant subgroups. Conclusion The interviewer-administered Bengali SF-36 appears to be an acceptable, reliable, and valid instrument for measuring health-related quality of life in Bangladeshi patients with RA. The questionnaire should be further evaluated in people from the general population and in patients with different medical conditions
Original languageEnglish
Pages (from-to)1227-1235
JournalJournal of clinical epidemiology
Issue number11
Publication statusPublished - 2012


  • METIS-290081
  • IR-82764


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