Assessment of osteoporosis knowledge in patients with inflammatory rheumatic diseases using the German version of the OKAT – a non-interventional cross-sectional study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00040856

Enrollment

300

Registered

2026-07-03

Start date

2026-08-31

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

M81 M06 M45 L40.5 M32.1 M34.0 M31.3 M35.3 M31.6

Interventions

Group 1: Patients with inflammatory rheumatic diseases At study inclusion, participants complete a single anonymous questionnaire assessment consisting of the German version of the Osteoporosis Knowl

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Patient with an inflammatory rheumatic disease, or patient with osteoporosis without an inflammatory rheumatic disease - Sufficient German language skills to complete the questionnaire independently - Consent to participate

Exclusion criteria

Exclusion criteria: - Lack of capacity to provide consent - Incomplete OKAT - Repeated participation

Design outcomes

Primary

Measure	Time frame
Osteoporosis knowledge, measured as the total score of the German version of the Osteoporosis Knowledge Assessment Tool (OKAT) at study inclusion. The questionnaire consists of 20 items. The total score is calculated based on the number of correctly answered questions and ranges from 0 to 20 points. The assessment is performed once at study inclusion during a regular outpatient or inpatient care visit.	—

Measure

Time frame

Osteoporosis knowledge, measured as the total score of the German version of the Osteoporosis Knowledge Assessment Tool (OKAT) at study inclusion. The questionnaire consists of 20 items. The total score is calculated based on the number of correctly answered questions and ranges from 0 to 20 points. The assessment is performed once at study inclusion during a regular outpatient or inpatient care visit.

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Secondary

Measure	Time frame
- Comparison of OKAT scores: rheumatology main cohort vs osteoporotic comparison cohort without inflammatory rheumatic disease - OKAT score by osteoporosis status (yes/no/don’t know) - OKAT score by current prednisolone/glucocorticoid use (yes/no/don’t know) - OKAT score by current calcium and/or vitamin D supplementation (yes/no/don’t know) - OKAT score by reported physician-provided osteoporosis prevention counselling (yes/no/don’t know) - OKAT score by underlying inflammatory rheumatic disease - Association of OKAT score with age and sex (exploratory) - Item-level correct response rates (descriptive; identification of knowledge gaps)	—

Measure

Time frame

- Comparison of OKAT scores: rheumatology main cohort vs osteoporotic comparison cohort without inflammatory rheumatic disease - OKAT score by osteoporosis status (yes/no/don’t know) - OKAT score by current prednisolone/glucocorticoid use (yes/no/don’t know) - OKAT score by current calcium and/or vitamin D supplementation (yes/no/don’t know) - OKAT score by reported physician-provided osteoporosis prevention counselling (yes/no/don’t know) - OKAT score by underlying inflammatory rheumatic disease - Association of OKAT score with age and sex (exploratory) - Item-level correct response rates (descriptive; identification of knowledge gaps)

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Countries

Germany

Contacts

Public ContactNils Schulz

Justus-Liebig-Universität Giessen, Campus Kerckhoff

n.schulz@kerckhoff-klinik.de060329960

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Aug 10, 2026