Prevalence of self-reported food allergy and related factors for infants and young children in southwest of China
- WANG Yu1,RUI Li2,SUN Xiao-hong3,HUANG Lu-jiao1,PANG Xue-hong1,ZENG Guo1
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Abstract
Objective To investigate the prevalence and related factors of self-reported food allergy for infants and young children in southwest China. Methods A cross-sectional study on food allergy was carried out among 3 344 infants and young children aged 6~24 months who were selected from urban and rural of Yunnan,Guizhou and Sichuan provinces by stratified random cluster method.Data on morbidity of self-reported allergy,food allergens and basic informations about both child and their family were collected from a questionnaire through interviewing infants' caregivers.The related factors on food allergy were analyzed by Logistic regression models. Results The morbidity of self-reported food allergy in infants and young children was 9.54%,the difference between urban(13.62%) and rural(5.69%) group was statistically significant (χ2=61.51,P<0.05),and no differences were found in gender and age.The main food allergens were fish and shrimp (34.65%),eggs (29.53%) and fruits (9.45%) in urban,and there were fish and shrimp (30.63%),eggs (27.03%) and dairy (18.02%) in rural.The risk of food allergy for children in cesarean group was higher than that of children in natural delivery group (OR=1.53,P<0.05);Breastfeeding in 4 months after birth related to food allergy.The risk of food allergy in mixed feeding group was higher than that of exclusive breastfeeding group (OR=2.17,P<0.05).The risk of food allergy for infants in breastfeeding with less than 4 months was higher than that of infants in breastfeeding with more than 4 months (OR=1.55,P<0.05). Conclusions The problem should cause our attention that the morbidity of self-reported food allergy in infants and young children is relatively high.Natural delivery and breastfeeding is likely to benefit to prevent food allergy in infants and young children.
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References
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[14] Maloney JM,Sampson HA,Sicherer SH,et al.Food allergy and the introduction of solid foods to infants:a consensus document[J].Annals of Allergy,Asthma & Immunology,2006,97(4):559-560.
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