Validation of the NIOSH Worker Well-Being Questionnaire in Italian Language

Objective This study aimed to validate in Italian the Worker Well-Being Questionnaire developed by US National Institute for Occupational Safety and Health. Methods The questionnaire was independently translated into Italian by two authors. Translations were compared with obtain a synthesis that was back-translated. Back translations were submitted to an expert committee to produce a final version of the questionnaire. The Italian version, after being pretested, was administered guaranteeing anonymity to a total sample of 206 health care workers. Results Findings obtained are satisfactory, indicating excellent fit (CFI and TLI values ranged from 0.96 to 0.99, RMSEA values ranged from 0.03 to 0.07), sound internal consistency of scales (Cronbach's - values exceeded 0.7) and factor structures consistent with theory. Conclusions Italian version of the questionnaire is faithful to the original and allows for efficient and robust measurement of workers' well-being.