[A cross sectional survey on the relationship between intolerance to eggs and body mass index in Beijing, China].

OBJECTIVE: To explore the prevalence of intolerance to eggs and its relationship with body mass index in Beijing, China. METHODS: A cross sectional survey which included 12 766 adults from health sciences center of general hospital of the Chinese People's Liberation Army from August, 2008 to July, 2009 was carried out. Data was entered computer and organized by EpiData 3.0 software for epidemiological analysis. Nonconditional logistic regression model was used for odd ratio (OR) and 95%CI calculation, and statistics analysis was carried out by SPSS 13.0 software. RESULTS: Positive rate of intolerance to eggs in the cohort was 28.5%. Grades of intolerance to eggs were associated with sex (P < 0.05). Positive rate of intolerance to eggs in females (36.5%) was higher than those in males (24.9%). Data from multiple regression analysis showed that intolerance to eggs was associated with sex and body mass index. Compared with males, the OR (95%CI) of female was 1.732 (1.590 - 1.887). Compared with normal weights, the OR (95%CI) of low weights was 1.443 (1.018 - 2.045). CONCLUSION: Sex and body mass index mignt be associated with intolerance to eggs.