Validation of the modified FixMáx© questionnaire

Validation of the modified FitMáx© questionnaire as a measurement instrument for cardiorespiratory fitness in comparison with an exercise test and existing questionnaires. - Validation of the modified FitMáx© questionnaire as a measurement instrument for cardiorespiratory fitness.

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON57530

Enrollment

1200

Registered

2025-05-06

Start date

2022-11-08

Completion date

Unknown

Last updated

2025-09-08

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

Conditions

Healthy Subjects, Cardiac, Pulmonary and Oncologic patients

Interventions

Modified FitMáx©VSAQDASI

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Patients or clients over 18 years oldTreated at Máxima MC and undergo an exertion test 

Exclusion criteria

Exclusion criteria: Submaximal exercise testIncomplete questionnaire(s)

Design outcomes

Primary

Measure	Time frame
Physical fitness is assessed through the FitMáx©, VSAQ, and DASI and compared to the gold standard—a maximal exertion test with breath gas analysis.	—

Secondary

Measure	Time frame
Different subgroups	—

Countries

Netherlands

Contacts

Public ContactM. van Hooff

Máxima MC

fitmax@mmc.nl0630001180

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)