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. 2016 Feb 17:15:24.
doi: 10.1186/s12940-016-0123-2.

Doctor-diagnosed health problems in a region with a high density of concentrated animal feeding operations: a cross-sectional study

Mariëtte Hooiveld  1 , Lidwien A M Smit  2 , Femke van der Sman-de Beer  3 , Inge M Wouters  2 , Christel E van Dijk  3 , Peter Spreeuwenberg  3 , Dick J J Heederik  2 , C Joris Yzermans  3
Affiliations

Doctor-diagnosed health problems in a region with a high density of concentrated animal feeding operations: a cross-sectional study

Mariëtte Hooiveld et al. Environ Health. .

Abstract

Background: There is growing interest in health risks of residents living near concentrated animal feeding operations (CAFOs). Previous research mostly focused on swine CAFOs and self-reported respiratory conditions. The aim was to study the association between the presence of swine, poultry, cattle and goat CAFOs and health of Dutch neighbouring residents using electronic medical records from general practitioners (GPs).

Methods: Data for the year 2009 were collected of 119,036 inhabitants of a rural region with a high density of CAFOs using information from GIAB (high exposed population). A comparison was made with GP data from 78,060 inhabitants of rural areas with low densities of CAFOs (low exposed population). Associations between the number of CAFOs near residents' homes and morbidity were determined by multilevel (cross-classified) logistic regression.

Results: In 2009, the prevalence of most respiratory and gastrointestinal conditions was similar in the high and low exposed population. Exceptions were pneumonia, atopic eczema and unspecified infectious diseases with an increased prevalence, and sinusitis with a decreased prevalence in the high exposed population. Within the high CAFO density region, the number of poultry, cattle and swine CAFOs near residents' homes was not associated with allergic, respiratory or gastrointestinal conditions. Conversely, each additional goat CAFO within the postal code area of residents' homes significantly increased the odds of unspecified infectious disease and pneumonia by 87 and 41 percent, respectively.

Conclusions: Using GP records, pneumonia and unspecified infectious diseases were positively associated with the number of goat CAFOs near residents' homes, but no association was found between swine, cattle, and poultry CAFOs and respiratory, allergic or gastrointestinal conditions.

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Figures

Fig. 1
Fig. 1
High CAFO density study region: eastern part of province of Noord-Brabant and northern part of province of Limburg. For each postal code area the number of CAFOs is indicated (GIAB 2009, Alterra Wageningen UR, the Netherlands)
See this image and copyright information in PMC

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