Psychometric measurement properties of the German version of the Osteoarthritis Knowledge Scale

Psychometric measurement properties of the German version of the Osteoarthritis Knowledge Scale - OAKS-Study

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00033231

Enrollment

220

Registered

2023-12-13

Start date

2026-03-19

Completion date

Unknown

Last updated

2026-03-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

M16.0 M16.1 M16.2 M16.3 M16.4 M16.5 M16.6 M16.7 M16.9 M17.0 M17.1

Interventions

Group 1: This validation study includes a web-based survey. The survey will be built in, and data will be collected through the software REDcap (Research Electronic Data Capture, Vanderbilt University

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Age = 18 years, - Diagnosis of either hip or knee OA made by a healthcare professional or by meeting hip or knee OA criteria as defined by the UK National Institute for Health and Care Excellence (NICE) - Ability to read and write in the German language.

Exclusion criteria

Exclusion criteria: There are no exclusion criteria defined

Design outcomes

Primary

Measure	Time frame
Validity: Conformation of uni-dimensionality; Comparative fit index (CFI) =0.95; Root mean square error of approximation (RMSEA) =0.06; Standardized root mean square residual (SRMR) =0.08; known-groups differences p=.05 Reliability: Internal consistency Cronbach’s alpha >0.70-0.90; Intra-class Correlation Coefficients of =0.70	—

Countries

Germany

Contacts

Public ContactGesine Seeber

Univesitätsklinik für Orthopädie Pius-Hospital

gesine.seeber@uol.de+49(441)2291588

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Apr 4, 2026