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Psychometric properties of scales in the General Nordic Questionnaire for Psychological and Social Factors at Work (QPS Nordic ): Confirmatory factor analysis and prediction of certified long‐term sickness absence
Author(s) -
WÄNNSTRÖM INGRID,
PETERSON ULLA,
ÅSBERG MARIE,
NYGREN ÅKE,
GUSTAVSSON J. PETTER
Publication year - 2009
Publication title -
scandinavian journal of psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.743
H-Index - 72
eISSN - 1467-9450
pISSN - 0036-5564
DOI - 10.1111/j.1467-9450.2008.00697.x
Subject(s) - confirmatory factor analysis , psychology , reliability (semiconductor) , work (physics) , psychometrics , sick leave , clinical psychology , structural equation modeling , physical therapy , statistics , medicine , mechanical engineering , power (physics) , physics , mathematics , quantum mechanics , engineering
Psychometric properties, particularly predictive validity, of scales in the General Nordic Questionnaire for Psychological and Social Factors at Work (QPS Nordic ) were assessed. The analysis is confined to the scales in the QPS Nordic, and 24 of the 26 scales are included. A large group of Swedish county council employees ( n = 3,976; response rate = 65%) participated in a study and were given the QPS Nordic . Register data for long‐term sick leave (>90 days), with diagnosis, were used for predictive analysis. The following main results were obtained: Reliability was generally satisfactory, confirmatory factor analysis indicated good fit, concurrent validity was good, some less often investigated organizational variables predicted sickness absence, and scales were differentially associated with absence due to psychiatric and musculoskeletal disorders. In conclusion, the psychometric testing of the QPS Nordic so far suggests that it is a good instrument for assessing health‐related factors at work.