Clinimetric quality of the fire fighting simulation test as part of the Dutch fire fighters Workers' Health Surveillance
BMC Health Services Research
Faculty of Medicine (AMC-UvA)
ABSTRACT: BACKGROUND: Clinimetric data for the fire fighting simulation test (FFST), a new test proposed for the Workers'
Health Surveillance (WHS) of Dutch fire fighters, were evaluated. METHODS: Twenty-one fire fighters took the FFST three times
with one and three weeks between testing. Clinimetric quality was determined by means of reliability, agreement and validity.
For reliability and agreement, the intraclass correlation coefficient (ICC), and standard error of measurement (SEM), were
analysed. For construct validity, the tests from 45 fire fighters were correlated with their own and their supervisors' rated
work ability. RESULTS: The ICCs were 0.56 and 0.79 at the one-week and three-week test-retest periods, respectively. Testing
times ranged from 9 to 17 minutes; the SEMs were 70 s at the one-week and 40 s at the three-week test-retest periods. The
construct validity was moderate (-0.47 [less than or equal to] r [less than or equal to] -0.33; p<0.05). CONCLUSIONS: The
FFST was reliable with acceptable agreement after three weeks. Construct validity was moderate. We recommend using FFST as
a part of the WHS for Dutch fire fighters. It is advised that fire fighters should perform the FFST once as a trial before
judging their performance in testing time during the second performance
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