... findings cannot be generalized to the whole elderly population of France MSY was the main investigator and analysed the data and wrote the first draft AI and CR contributed to the study design and the ... Reliability, validity and factor structure of the 12-item General Health Questionnaire among young males in Italy Acta Psychiatr Scand 1994, 90:432-437 Daradkeh TK, Ghubash R, El-Rufaie OE: Reliability, ... Psychology and Health 2005, 20:651-659 Mäkikangas A, Feldt T, Kinnunen U, Tolvanen A, Kinnunen ML, Pulkkinen L: The factor structure and factorial invariance of the 12-Item General Health Questionnaire...