Melanie M Makhija1, Rachel G Robison2, Deanna Caruso3, Miao Cai4, Xiaobin Wang5, Jacqueline A Pongracic1. 1. Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois; Division of Allergy/Immunology, Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois. 2. Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois; Division of Allergy/Immunology, Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois. Electronic address: rrobison@luriechildrens.org. 3. Department of Population, Family and Reproductive Health, Center on the Early Life Origins of Disease, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland. 4. Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois. 5. Department of Population, Family and Reproductive Health, Center on the Early Life Origins of Disease, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland; Division of General Pediatrics and Adolescent Medicine, Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland.
Abstract
BACKGROUND: Sensitization in adults has not been extensively studied. OBJECTIVE: To investigate patterns of allergen sensitization in parents of food allergic children and to compare self-report of allergic disease with specific IgE (sIgE) measurements. METHODS: A total of 1,252 mothers and 1,225 fathers of food allergic children answered standardized questionnaires about demographics, home environment, history of atopic diseases, and food allergy. Skin prick testing and sIgE serum tests were performed to 9 foods and 5 aeroallergens. RESULTS: A total of 66.1% of parents were sensitized to either a food or aeroallergen. Mean sIgE levels were low for all foods tested. A total of 14.5% of mothers and 12.7% of fathers reported current food allergy. Only 28.4% had sensitization to their reported allergen. Fathers had significantly higher rates of sensitization to both foods and aeroallergens (P < .01) than mothers. Logistic regression evaluating predictors of self-reported food allergy revealed statistically significant positive associations in fathers with self-reported asthma, environmental allergy, and eczema. For mothers, significant positive associations were found with environmental allergy and having more than 1 food allergic child. CONCLUSION: This cohort of parents of food allergic children found higher rates of sensitization to foods and aeroallergens compared with the general population. However, food sIgE levels were low and correlated poorly with self-reported food allergy. Sex differences in sensitization to foods and aeroallergens were seen.
BACKGROUND: Sensitization in adults has not been extensively studied. OBJECTIVE: To investigate patterns of allergen sensitization in parents of food allergicchildren and to compare self-report of allergic disease with specific IgE (sIgE) measurements. METHODS: A total of 1,252 mothers and 1,225 fathers of food allergicchildren answered standardized questionnaires about demographics, home environment, history of atopic diseases, and food allergy. Skin prick testing and sIgE serum tests were performed to 9 foods and 5 aeroallergens. RESULTS: A total of 66.1% of parents were sensitized to either a food or aeroallergen. Mean sIgE levels were low for all foods tested. A total of 14.5% of mothers and 12.7% of fathers reported current food allergy. Only 28.4% had sensitization to their reported allergen. Fathers had significantly higher rates of sensitization to both foods and aeroallergens (P < .01) than mothers. Logistic regression evaluating predictors of self-reported food allergy revealed statistically significant positive associations in fathers with self-reported asthma, environmental allergy, and eczema. For mothers, significant positive associations were found with environmental allergy and having more than 1 food allergicchild. CONCLUSION: This cohort of parents of food allergicchildren found higher rates of sensitization to foods and aeroallergens compared with the general population. However, food sIgE levels were low and correlated poorly with self-reported food allergy. Sex differences in sensitization to foods and aeroallergens were seen.
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