Rheumatoid arthritis

Development and validation of a patient knowledge questionnaire for rheumatoid arthritis (PKQ-RA-11) in Danish and German

Scand J RheumatolPublished Questionnaire development and validation study

Authors' conclusion

PKQ-RA-11 is a standardized tool for assessing disease-related knowledge in individuals with RA.

Study context

Population
Patients with Rheumatoid Arthritis (RA) in Denmark and Germanyface validity: 20 patients
Participants
175 vs 174
Comparison
Danish vs German versions of PKQ-RA-11
  • Danishn = 175
  • Germann = 174
Outcome
Baseline PKQ-RA-11 score
Follow-up
Baseline
Methodological detailsforward-and-backward translation, face validity assessment, longitudinal (Denmark), Face validity assessed in 20 patients (10 Danish, 10 German), German version followed the refined Danish version with cultural adjustments
  • Forward-and-backward translation
  • Face validity assessment
  • Longitudinal (Denmark)
  • Face validity assessed in 20 patients (10 Danish, 10 German)
  • German version followed the refined Danish version with cultural adjustments

Performance

As reported in the abstract

Test or modelValueMean completion time
Danishmean 7.9 (SD 1.6)7.5 minutes
Germanmean 6.2 (SD 2.5)7.4 minutes

Value

Danishmean 7.9 (SD 1.6)
Germanmean 6.2 (SD 2.5)

Mean completion time

Danish7.5 minutes
German7.4 minutes

Further findings

Mean completion time of final PKQ-RA-11

PKQ-RA-11 score after patient education (longitudinal data from Denmark), mean · following patient education

Longitudinal data from Denmark: increase in knowledge scores following patient education, mean ± sd score
8.6 ± 1.5
  • Demonstrating the tool's responsiveness to changes in patient understanding of RA

Original publication

Development and validation of a patient knowledge questionnaire for rheumatoid arthritis (PKQ-RA-11) in Danish and German. Scand J Rheumatol. Published 24 February 2025. doi:10.1080/03009742.2025.2463734

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.