Linda Koopmans1, Claire M Bernaards, Vincent H Hildebrandt, Henrica C W de Vet, Allard J van der Beek. 1. From Body@Work (Ms Koopmans and Drs Bernaards, Hildebrandt, de Vet, and van der Beek), Research Center for Physical Activity, Work and Health, TNO-VU University Medical Center, Amsterdam, The Netherlands; Expertise Center Life Style (Ms Koopmans and Drs Bernaards and Hildebrandt), TNO, Leiden, The Netherlands; Department of Public and Occupational Health (Ms Koopmans and Dr van der Beek), EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands; and Department of Epidemiology and Biostatistics (Dr de Vet), EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands.
Abstract
OBJECTIVE: To examine the construct validity of the Individual Work Performance Questionnaire (IWPQ). METHODS: A total of 1424 Dutch workers from three occupational sectors (blue, pink, and white collar) participated in the study. First, IWPQ scores were correlated with related constructs (convergent validity). Second, differences between known groups were tested (discriminative validity). RESULTS: First, IWPQ scores correlated weakly to moderately with absolute and relative presenteeism, and work engagement. Second, significant differences in IWPQ scores were observed for workers differing in job satisfaction, and workers differing in health. CONCLUSION: Overall, the results indicate acceptable construct validity of the IWPQ. Researchers are provided with a reliable and valid instrument to measure individual work performance comprehensively and generically, among workers from different occupational sectors, with and without health problems.
OBJECTIVE: To examine the construct validity of the Individual Work Performance Questionnaire (IWPQ). METHODS: A total of 1424 Dutch workers from three occupational sectors (blue, pink, and white collar) participated in the study. First, IWPQ scores were correlated with related constructs (convergent validity). Second, differences between known groups were tested (discriminative validity). RESULTS: First, IWPQ scores correlated weakly to moderately with absolute and relative presenteeism, and work engagement. Second, significant differences in IWPQ scores were observed for workers differing in job satisfaction, and workers differing in health. CONCLUSION: Overall, the results indicate acceptable construct validity of the IWPQ. Researchers are provided with a reliable and valid instrument to measure individual work performance comprehensively and generically, among workers from different occupational sectors, with and without health problems.
Authors: Linda Koopmans; Jennifer K Coffeng; Claire M Bernaards; Cécile R L Boot; Vincent H Hildebrandt; Henrica C W de Vet; Allard J van der Beek Journal: BMC Public Health Date: 2014-05-27 Impact factor: 3.295
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