[A epidemiologic study on the prevalence of the allergic diseases in school children in Kyoto City].
The prevalence of allergic diseases in school children in Kyoto City (17,906 children) was examined with the questionnaire which was prepared by the Study Group of Epidemiology of Allergic Diseases funded by the Ministry of Public Welfare in 1993.


RESULTS
1) The number of valid reply was 16,176 (reply rate 90.3%). The reply rate of each question was from 89.5% to 98.9% (average 95.7%). 2) The prevalence of bronchial asthma was 4.9% in the elementary school children, 3.5% in the junior high school children and 4.5% in total, and the prevalence in boys was higher than girls (ratio 1.6). The prevalence of wheezing was 6.5%, 2.7% and 5.5%, respectively, and the sex ratio was 1.2. 3) The prevalence of atopic dermatitis was 5.3% in elementary school children, 4.0% in junior high school children and 5.0% in total, and the prevalence in boys was lower than girls (ratio 0.87). 4) The prevalence of allergic rhinitis was 19.8% in elementary school children, 21.2% in junior high school children and 20.3% in total, and the prevalence in boys was higher than girls (ratio 1.3). 5) The prevalence of allergic conjunctivitis was 11.9% in elementary school children, 15.4% in junior high school children and 13.0% in total and the prevalence in boys was almost same as girls (ratio 0.98). 6) The prevalence of any allergic diseases was 32.2% in elementary school children, 31.7% in junior high school children and 32.1% in total and the prevalence in boys was higher than girls (ratio 1.2).
Hosoi
S
S
Department of Pediatrics, Kyoto University.
Asai
K
K
Harazaki
T
T
Furushou
K
K
Mikawa
H
H
D000293:Adolescent; D001249:Asthma / Q000453:epidemiology; D002648:Child; D003876:Dermatitis, Atopic / Q000453:epidemiology; D005260:Female; D006801:Humans; D006967:Hypersensitivity / Q000453:epidemiology*; D007564:Japan / Q000453:epidemiology; D008297:Male; D015995:Prevalence; D012221:Rhinitis, Allergic, Perennial / Q000453:epidemiology