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Allergology Review

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  Authority of Polish Society of Allergology

vol 12. no 4. December 2007  

 Original articles
Food hypersensitivity among adult inhabitants of Lodz – questionnaire survey
Marta Wysocka, Monika Jędrzejczak-Czechowicz, Marek L. Kowalski

Introduction. Prevalence and clinical pattern of food hypersensitivity as well as the type of allergens are considerably varied among particular age groups. Most studies concern children and teenagers and only few deal with adults. The comparison of food allergy prevalence in adults from different European countries is one of the main aims of the EuroPrevall programme.
Aim of the study. To assess prevalence of food hypersensitivity symptoms, types of symptoms and kinds of food which cause adverse reactions among the adult population of Lodz based on the questionnaire survey.
Material and methods. The study included 3,000 subjects aged 20-54 (1,500 women and 1,500 men), drawn from a population of 373,808 inhabitants of Lodz. A questionnaire and an invitation letter were sent to respondents 3 times in 2-week intervals. Subjects who didn’t respond were interviewed by phone.
Results. We collected information from 64% of the subjects, and 51% of the subjects filled out the questionnaire. Among the respondents who answered the questionnaire questions, 29% reported adverse reactions after food intake and 60% reported that adverse reactions occurred more than 4 times. The most frequent symptoms reported were: itchy skin, rash, diarrhoea or vomiting and headaches. Adverse reactions occurred most frequently after the intake of fruit (reported by 41% respondents), and the least frequently after the intake of fish (reported by 3% respondents). The following foods were reported most frequently: tomatoes (15%), strawberries (11%), milk (11%), eggs (8.5%), chocolate (7%) and apples (6%).
Conclusions. The questionnaire survey indicates high prevalence of adverse reactions after food intake in the adult population of Lodz, but does not allow establishing an etiology of these symptoms.

keywords: nadwrażliwość na pokarmy, badanie ankietowe, pokarm, food hypersensitivity, questionnaire survey, food

pages: from 191 to 199

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