Assessing Occupational Epidemiology Research Productivity Po Wen Shih1*, Sin Kan Teng1, Hsin-Heng Chen1, Yee-Shuan Lee2 and Yuh-Shan Ho1# 1School of Public Health, Taipei Medical University 2Bibliometric Centre, Taipei Medical University - Wan-Fang Hospital Introduction Occupational epidemiology is an important aspect of clinical epidemiology and occupational hygiene. It provided useful and practical information to understand the causes and determinants of work related sickness and to help establishing probable protocols to reduce those risks and to evaluate interventions for the benefits of workers and of the community at large. It has become more important to understand the role and application of occupational epidemiology and the purpose of this study was to evaluate the publication pattern of occupational epidemiology related documents and to observe any significant patterns. Methodology Documents based on: Indexed into Science Citation Index (SCI) Published from 1981 to 2002 Included keywords occupation* and epidemiology Analysis based on: Yearly Publication (P) Citation per Publication (CPP) Total Citation / Total Publication Authorship Country of origins Favor in small group collaboration Collaboration affected citation frequency Results Total production: 2177 Yearly average production: 181 CPP sharply decreased since 1994 International collaborative work increased sharply ICP: International collaborative production Favor in two countries collaboration No distinctive correlation between international collaboration and citation frequency 94.8% were published in English Rest were all in European languages 37% were published independently by USA 86.7% were published as articles Reviews have highest CPP P%: Percentage share of international collaborative publication 88.16% were collaborated with main-stream countries 66.7% of non main-stream collaboration were among European countries Conclusion Domination of Main-Stream and Western countries Different collaboration style affected production and collaboration pattern No indication of occupational epidemiology was becoming a future research trend European countries and USA concerned the most with this issue Increase in collaborative work with Europe and USA indicated raise of awareness in other regions have grown