4.5 Article

Organisational factors and under-reporting of occupational injuries in Sweden: a population--based study using capture-recapture methodology

Journal

OCCUPATIONAL AND ENVIRONMENTAL MEDICINE
Volume 78, Issue 10, Pages 745-752

Publisher

BMJ PUBLISHING GROUP
DOI: 10.1136/oemed-2020-107257

Keywords

occupational health; epidemiology; accidents

Funding

  1. Swedish Research Council for Health, Working Life and Welfare (FORTE) [2016-00315]
  2. Swedish Research Council [2016-00315] Funding Source: Swedish Research Council
  3. Forte [2016-00315] Funding Source: Forte

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The study estimated the magnitude of under-reporting of non-fatal occupational injuries in Sweden for the year 2013, with estimated completeness of reporting to the national register and insurance company at 73% and 43% respectively. Different organisational factors were found to contribute to under-reporting to the national register, with higher rates among public sector organizations, those with more female employees, a younger workforce, and a higher proportion of immigrants.
Objective To estimate the magnitude of under-reporting of non-fatal occupational injuries (OIs) by different organisational factors in Sweden for the year 2013. Methods Capture-recapture methods were applied using two data sources: (1) the national OI register and (2) records from a labour market insurance company. To assure comparability of data sources, the analysis was restricted to the public sector and private companies with at least 50 employees. OIs were matched using personal identification number and reported injury dates (+/- 7 days). Organisational factors were obtained from the national labour market register and injury severity (no healthcare/only outpatient/hospitalised) from the National Patient Register. Total number of OIs and ascertainment by data sources were estimated assuming data source independence. Results There were an estimated 98 493 OIs in 2013. Completeness of reporting OIs to the national register and to the insurance company was estimated at 73% and 43%, respectively. No report to either source was estimated at 15 000 OIs (similar to 15%). Under-reporting to the national register differed by selected organisational factors, being higher among organisations in the public sector, those with more females, with a younger workforce and with a higher proportion of immigrants. Overall under-reporting was more common in agriculture (19.7%), other services (19.3%), commerce and hospitality (19.1%), health (18.4%) and education (18.4%). Under-reporting decreased as injury severity increased, with little variations across sectors of economic activity. Conclusions Results suggest considerable under- -reporting of OIs in Sweden and differential under- -reporting by organisational factors. Results are relevant for official estimates of burden and for setting priorities for workplace safety and prevention.

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