For the study, researchers at the University at Buffalo in New York, analyzed U.S. government data from more than 2,200 parents who were surveyed about their children's eating habits and food allergies from birth to 6 years of age.

"We found that children who hadn't had egg introduced by 12 months were more likely to have egg allergy at 6 years," said lead author Dr. Giulia Martone, who is scheduled to present the findings Sunday at a meeting of the American College of Allergy, Asthma and Immunology (ACAAI), in New Orleans.

Research presented at meetings should be considered preliminary until published in a peer-reviewed journal.

Among the more than 2,200 parents surveyed, 0.6% reported an egg allergy in their children at 1 year of age, the study found. Of the more than 1,400 parents who reported food allergy data on their children until age 6, 0.8% reported an egg allergy at that age.

Children with egg allergy at ages 1 and 6 ate fewer eggs at 5, 6, 7 and 10 months of age than those without egg allergy, the researchers reported.

"Egg allergy is the second most common food allergy throughout the world," senior author Dr. Xiaozhong Wen said in an ACAAI news release.

"Current evidence suggests that early introduction of egg during infancy, followed by consistent and frequent feedings, seems protective against development of egg allergy. We are still investigating optimal timing of infant egg introduction and frequency of feeding," Wen said.

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