Sentinel Surveillance of Occupational Diseases: A Quality Improvement Project

D. Spreeuwers, A. G. E. M. de Boer, J. H. A. M. Verbeek, N. S. de Wilde, I. Braam, Y. Willemse, T. M. Pal, F. J. H. van Dijk

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Abstract

Background Occupational diseases are generally underreported. The aim of this study was to evaluate whether a sentinel surveillance project comprising motivated and guided occupational physicians would provide higherquality information than a national registry for a policy to prevent occupational diseases. Methods A group of 45 occupational physicians participated ill a sentinel surveillance project for two years. All other occupational physicians (N = 1,729) in the national registry were the reference group. We compared the number of notifications per occupational physician, the proportion of incorrect notifications, and the overall reported incidence of occupational diseases. Results The median number of notifications per occupational physician during the project was 13.0 (IQR, 4.5-31.5) in the sentinel group versus 1.0 (IQR, 0.0-5.0) in the reference group (P <0.001). The proportion of incorrect notifications was 3.3% in the sentinel group and 8.9% in the reference group (P <0.001). The overall reported occupational disease incidence was 7 times higher (RR = 6.9, 95% CI: 6.5-7.4) in the sentinel group (466 notifications per 100,000 employee years) than in the reference group (67 notifications per100,000 employee years). Conclusions A sentinel surveillance group comprising motivated and guided occupational physicians reported a substantiall); higher occupational disease incidence and a lower proportion of incorrect notifications than a national registry. Am. J. Ind. Med. 51:834-842, 2008. (C) 2008 Wiley-Liss, Inc
Original languageEnglish
Pages (from-to)834-842
JournalAmerican journal of industrial medicine
Volume51
Issue number11
DOIs
Publication statusPublished - 2008

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