Food source atribution of human campylobacteriosis by meta-analysis of case-control studies
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abstract
A case-control study is a powerful approach among epidemiologists to investigate the causal effect of exposure
and enteric illness. To combine the associations between sporadic campylobacteriosis and the different food
pathways of exposure, the results from relevant case-control studies were extracted and their odds-ratio (OR)
measures were meta-analysed within food category partitions by population type, extracting the variability due
to both primary studies and model types. In the mixed population, the most important determinants of disease
turned out to be: consumption of raw milk (pooted OR=2. 64), poultry (OR=1. 78), raw milk's cheese (OR=1. 72),
BBQ meats (OR=1. 67), fast-food composite (OR=1. 59) and raw seafood (OR=1. 50). On the other hand,
consumption of raw-egg containing products (OR=4. 85), raw milk (OR=3. 05), pork (OR=2. 34), minced beef
(OR=2.27), processed meats (OR=2.18), any composite food eaten out (OR=2.16) and poultry meat (OR=2.08)
were found to bear the highest risk of campylobacteriosis in the children population.
