韓國中學生에 對한 難聽 實態調査硏究 = A study on the Hearing Impairment of Middle School Students in Korea
저자
발행기관
학술지명
권호사항
발행연도
1973
작성언어
Korean
KDC
040
자료형태
학술저널
수록면
151-168(18쪽)
제공처
소장기관
According to make of special education class, it is helpful to detect the hearing impairment of the Korean middle school pupils.
Audiometry on 250∼4,000Hz range of speech by Rion audiometer type AA-30-1 for screening and type AS-105 for diagnosing, was performed by authors to 22,989 of middle school pupils: 15,152 in urban and 7,837 rural, 12,909 of male and 10,080 of female who were selected in 24 middle schools in Kyoung Pook Province from September 5, 1972 to March 23, 1974.
The results obtained were summarized as follows.
1) The average family number of the hearing disturbance pupils was 6.2 person, it was known to be 24.75% in urban, 14.77% in rural among a small family group with below four Persons, 69.88% in urban and 58.44% in rural among the middle family group with 5∼7, and 5.27% in urban and 26.39% in rural among the large family group with over 8.
2) The percentage of the pupils who were hearing impairment was as follows: 0.35% (46pupils) was impaired to over 30dB; 0.15%(27pupils) over 40dB; 0.03% (5pupils) over 60dB; 0.01% (3pupils) over 76dB and 3.53%(730 pupils) over 20dB which is the level of the mild case.
3) The discovering frequency of the hearing impairment among pupils was not proved the difference by age, sex or grade, but it was noticed that the pupils over the school age had a much more tendency of hearing impairment. (P>0.01)
4) In the discovering frequency of the hearing impaired pupils below 40dB, between urban and rural area, the number of the hearing disturbed pupils was much more in rural than in urban, but it is almost similar in the pupils over 40dB.
5) The appearance rate of the hearing impairment was, 1.34% (348 ears among 45,978 ears) over 40dB, 0.32% (88ears) over 60dB, 0.13% (61 ears) over 70dB, and 7.49% (2,826 ears) over 20dB.
6) The appearance rate of the hearing impairment over 30dB was more in rural among male, but it was similar in female.
7) The average hearing loss of the normal hearing pupils was 14.47dB in 500Hz, 8.12dB in 1000Hz, 4.53dB in 2000Hz, 8.27dB in 4000Hz and 10.84dB in 8000Hz.
8) The rate of the perceptive hearing impairment was discovered as 0.6% in urban and 0.4% in rural. Among the pupils with normal hearing, the rate of hearing impairment was proved as 3.6% in urban and 5.9% in rural through the otoscopy.
9) The percentage of the conductive hearing impairment was 3.0% in urban and 4.2% in rural. Among them, the rate of the pupils who were discovered as abnormal in hearing were 2.2% in urban and 3.1% in rural but the pupils who were proved completly normal was 0.8% in urban and 1.1% in rural.
10) We can be noticed the difference in the score of their school between the normal hearing group and the hearing disturbed group: among the normal hearing group, 1.67% was belonged to the slow-learner, 2.69% under-achiever, 1.3% under-achiever unknown cause, but among the hearing distur-dance pupils it was were 3.22% belonged to the feeble-minded pupils, 10.43% under-achiever, 2.53% under-achiever unknown cause.
In comparision with the normal hearing group and the Hearing impaired group, the pupils with poor score were discovered three times as much in the hearing distur-bance group than the other but eights times in the under achiever than.
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