Journal
BRITISH MEDICAL JOURNAL
Volume 321, Issue 7254, Pages 142-147Publisher
BRITISH MED JOURNAL PUBL GROUP
DOI: 10.1136/bmj.321.7254.142
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Funding
- Wellcome Trust Funding Source: Medline
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Objective To determine the odds ratio and population attributable fraction associated with food and environmental risk factors for acute toxoplasmosis in pregnancy. Design Case-control study. Setting Six large European cities. Participants Pregnant women with acute infection (cases) detected by seroconversion or positive for anti-Toxoplasma gondii IgM were compared with pregnant women seronegative for toxoplasma (controls). Main outcome measures Odds ratios for acute infection adjusted for confounding variables; the population attributable fraction for risk factors. Results Risk factors most strongly predictive of acute infection in pregnant women were eating undercooked lamb, beef, or game, contact with soil, and travel outside Europe and the United States and Canada. Contact with cats was not a risk factor. Between 30% and 63% of infections in different centres were attributed to consumption of undercooked or cured meat products and 6% to 17% to soil contact. Conclusions Inadequately cooked or cured meat is Naples, Italy the main risk factor for infection with toxoplasma in consultant all centres. Preventive strategies should aim to reduce Paediatrician prevalence of infection in meat, improve labelling of Institute of meat according to farming and processing methods, and improve the quality and consistency of health information given to pregnant women.
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