Development and validation of the childhood allergy comprehensive screening questionnaire and Its application in a cross-sectional survey of allergic diseases among children aged 0-6 Years in Shanghai, China.

Among 3,064 children aged 0-6 years, the overall CACSQ-identified prevalence of food allergy, asthma, atopic dermatitis, and allergic rhinitis was 14.7%, 8.4%, 18.9%, and 20.0%, respectively.

Male sex, higher socioeconomic status, only-child status, history of antibiotic use and pneumonia, and family history of allergy were associated with elevated risk of allergic diseases.

In contrast, sleep duration ≥ 12 h/day and window-opening ventilation were associated with lower odds of allergic diseases.