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First published January 1999

Incomplete Accident Reporting: Meta-Analysis of Studies Made in 13 Countries

Rune Elvik and Anne MysenView all authors and affiliations
Volume 1665, Issue 1
https://doi.org/10.3141/1665-18

Abstract

A meta-analysis of studies of road accident reporting in official accident statistics made in 13 countries is described here. A rigorous comparison of reporting levels between countries is difficult because of differences in the definitions of reportable accidents, reporting levels, and data sources used to assess reporting levels. Based on 49 studies in 13 countries, it is concluded that reporting of injuries in official accident statistics is incomplete at all levels of injury severity. In rounded values, the mean reporting level in the countries included was found to be 95 percent for fatal injuries according to the 30-day rule, 70 percent for serious injuries (admitted to hospital), 25 percent for slight injuries (treated as outpatients), and 10 percent for very slight injuries (treated outside hospitals). Reporting levels vary substantially among countries, ranging from 21 to 88 percent for hospital-treated injuries. Reporting is highest for car occupants and lowest for cyclists. In particular, single-vehicle bicycle accidents are very rarely reported in official road accident statistics.

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Volume 1665, Issue 1
Pages: 133 - 140
Article first published: January 1999
Issue published: January 1999

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Rune Elvik
Institute of Transport Economics, P.O. Box 6110 Etterstad, N-0602 Oslo, Norway
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Anne Mysen
Institute of Transport Economics, P.O. Box 6110 Etterstad, N-0602 Oslo, Norway
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