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시계열자료를 이용한 대기오염과 일별 사망수의 관련성 분석
서화숙,정효준,이홍근 한국환경과학회 2002 한국환경과학회지 Vol.11 No.10
To identify possible associations with concentrations of ambient air pollutants and daily mortality in Busan, this study assessed the effects of air pollution for the time period 1999-2000. Poisson regression analysis by Generalized Additive Model were conducted considering trend, season, meteorology, and day-of-the-week as confounders in a nonparametric approach. Busan had a 10% increase in mortality in persons aged 65 and older(95% CI : 1.01-1.10) in association with IQR in NO_2(lagged 2 days). An increase of NO_2(lagged 2days) was associated with a 4% increase in respiratory mortality(CI : 1.02-1.11) and CO(lagged 1 day) showed a 3% increase(CI : 1.00-1.07).
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시설수용 아동과 일반가정 아동의 언어능력에 관한 비교 연구
김경란,김정이,김진숙,김희숙,서화숙,조현주,주숙영,최승미 연세대학교 생활과학대학 1988 婦學 Vol.21 No.-
The purpose of this study was to compare the verbal ability of institutional children with that of family children. We investigated the following question: ⑴ Is there a difference in verbal ability between institutional children and family children? ⑵ Are there age and sex differences in verbal ability between 4-year-olds and 6-year-olds? The sample of this study was 32 institutional children and 32 family children, with an equal number of 4-year-olds and 6-year-olds. The instrument for measuring children's verbal ability was the Children's Verbal Ability Test developed by Jang Young-ae(1981). The data were analyzed with a three-way ANOVA. The results of this study were the following: ⑴ There was a significant main effect of early care environment on children's verbal ability. That is, family children showed a higher verbal ability score that institutional children. There was a significant three-way interaction effect between early care environment, sex, and age. The size of the effects of early institutional care varied according to sex and age. ⑵ There was a significant main effect for age. That is, 6-year-olds showed higher verbal ability than 4-year-olds. The importance of an adequate verbal environment for institutionalized children was discussed.
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