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'1998 한국인 우울증 선별의 날' 참가자들의 사회인구통계학적 특성과 우울증 선별검사 결과
한상익,이성필,고효진,박원명,장계호,유태열,전태연,채정호,방승규,김광수,최보문,이정태,백인호 大韓神經精神醫學會 1999 신경정신의학 Vol.38 No.5
연구목적 : 1998년 정신건강의 날 기념 한국인 우울증 선별의 날 행사에 자발적으로 참여한 참가자들의 사회인구 통계학적 특성을 분석하고 우울증 선별검사 결과를 평가하기 위하여 본 연구를 시행하였다. 방 법 : 8개 병원에서 얻어진 619명의 자료를 사용하여 선별검사로 밝혀진 우울증의 유병율과 사회인구통계학적 특성 및 응답자의 정신과적 치료를 포함한 과거력 등을 조사하였다. 결 과 : 우울증 척도 점수는 응답자 전체 평균 57.5±13.8로 경도의 우울 증상이 있는 것에 해당되었다. 전체 응답자의 69.5%(430명)가 최소한 경도 이상의 우울 증상을, 43.1%(267명)가 중등도 이상의 우울 증상을, 18.4%(114명)가 고도의 우울 증상을 보였다. 고도의 우울 증상이 있는 응답자의 56.8%와 중등도의 우울 증상이 있는 응답자의 63.9%가 정신과 치료를 받은 적이 전혀 없었다. 나이가 29세 이하인 것과 전임근무 중인 직업상태는 각각 나이가 60세 이상인 것과 직업이 없는 것에 비교하여 우울증으로부터 보호하는 인자임을 시사하였다. 결 론 : '1998 한국인 우울증 선별의 날' 행사를 통하여 많은 우울증 환자들을 선별해낼 수 있었고, 이들의 우울 증상은 몇몇 사회인구통계학적 특성과 유의한 관계가 있음을 확인하였다. 우울증 선별의 날 행사를 통한 우울증에 대한 교육과 우울증 선별검사는 치료받지 못하고 있는 우울증 환자 및 기존의 치료 중인 환자 모두에게 유용한 프로그램임을 알 수 있었다. Objectives : This study was performed to analyze the sociodemographic characteristics of participants in '1998 Korean Depression Screening Day' and to evaluate the results of the screening test. Methods : By using the survey results of 619 volunteers from 8 hospitals, the authors examined the prevalence of depression detected at the screening test and sociodemographic characteristics and the psychiatric treatment history of respondents. The assessment measure was the Zung Self-Rating Depression Scale. Results : The mean depression score of all participants was 57.5±13.8 and it came under mild depression. Of all participants, 69.5%(N=430) had at least mild depressive symptoms, 43.1%(N=267) had at least moderate symptoms, and 18.4%(N=114) had severe symptoms. Never have 56.8% of respondents in the severely depressed range and 63.9% of those in the moderately depressed range had psychiatric treatment. The results suggest that the age group of 29-year-old or younger(relative to 60-year-old or older group) and full-time employment status(relative to unemployment) are protective factors of depression. Conclusions : By '1998 Korean Depression Screening Day', many depressed patients were detected and their depressive symptoms had statistically significant relationships with some sociodemographic characteristics. The results suggest that the education and screening test programs for depressive illness facilitated by Depression Screening Day are useful to the patients regardless of being under current treatment or not.
공분산구조분석법을 활용한 통행수단, 활동 및 통행행태에 대한 인과성 평가
장태연,김대영,김정호,권진영 전북대학교 공학연구원 ( 구 전북대학교 공업기술연구소 ) 2002 工學硏究 Vol.33 No.-
Activities done by individual are usually classified into obligatory and discretionary ones. Simple or complex trip pattern is performed as these activities are linked and various travel modes are used. Individuals try to link several trips as a type of chain to save transportation resources such as travel distance or time, which consequently produces complex trip pattern. These changes in urban transportation environment and less studies on activity-based characteristics make difficult to forecast trips resulting from trip linkage behavior. The purpose of study is to analyze possible causal relationships among activities, travel mode choices and travel patterns, assuming that they are directly influenced by individual or household attributes. Two kinds of models are established to achieve this purpose. One is the allocation model for mode choice for activities by three stage least square estimation method under the restricted conditions. The other is covariance structure model(LISREL) to analyze direct and indirect effect among attributes. As a result, the allocation of travel modes is mainly influenced by variables such as gender, education level, marriage, and children under 13 years old. In LISREL, it is shown that those variables well explain an exogenous personal attributes and only family income do an exogenous household attributes. While trip pattern attributes is well reflected by travel mode attributes, it is less reflected by activity attributes.
장인호,이광원,배태성 大韓齒科器材學會 2004 대한치과재료학회지 Vol.31 No.1
This study was performed to investigate the surface properties of electrochemically oxidized pure titanium by anodic spark discharging technique. Commercially pure titanium plates of 20?0? ㎜ in dimensions were polished sequentially from #220 to #600 emery paper. Each sample was ultrasonically washed in ethyl alcohol and acetone for 5 min and dried in a desiccator. The anodization was performed up to 300 V using a regulated DC power supply at a current density of 30 ㎃/㎠. Aqueous solutions containing β-glycerophosphate disosium salt hydrate, calcium acetate hydrate and HEPERS were used as electrolytes. The surface oxide film was characterized by scanning electron microscope(SEM), energy dispersive X-ray microanalyzer (EDX) and X-ray diffractometer(XRD). The main crystal structure of the anodic oxide film was anatase type as analyzed with thin-film X-ray diffractometery. Needle-like hydroxyapatite (HA) crystals were observed on anodic oxide films after the hydrothermal treatment for 2 hours. The precipitation of the HA crystals was greatly accelerated by hydrothermal treatment and fine asperity-like HA crystals were observed after being immersed in Hanks‘ solution at 37℃. The Ca/P ratio of the precipitated HA layer was equivalent to HA as increasing the time of immersion in Hanks‘ solution. The tensile bond strength was decreased with precipitating the HA crystals by hydrothermal treatment.
ESR, ESEM을 이용한 이온 교환된 MoH-SAPO-34에 대한 Mo의 화학종, 위치 및 흡착상호작용에 관한 연구
장창기,원태진,백건호 昌原大學校 基礎科學硏究所 2001 基礎科學硏究所論文集 Vol.13 No.-
A solid-state reaction of MoO3 with as-synthesized H-SAPO-34 generated paramagnetic Mo(V) species. The dehydration resulted in weak Mo(V) species, and subsequent activation resulted in the formation of Mo(V) species such as Mo(V)5c and Mo(V)6c that are characterized by ESR. The data of ESR and ESEM show the oxomolybdenum species, to be (MoO2)+ or (MoO)3+. The (MoO2)+ species seems to be more probable. Since H-SAPO-34 has a low framework negative charge, (MoO)3+ with a high positive charge can not be easily stabilized. A solution reaction between the solution of silico-molybdic acid and calcined H-SAPO-34 resulted in only MoO2+ species. A rhombic ESR signal is observed on adsorption of D2O, CD3OH, CH3CH2D and ND3. The Location and coordination structure of Mo(V) species has been determined by three-pulse electron spin-echo modulation data and their simulations. After the adsorption of methanol, ethylene, ammonia, and water for MoH-SAPO-34, three molecules, one molecule, one and one molecule, respectively, are directly coordinated to (MoO2)+.
장철호,최태욱,김진욱 圓光大學校 醫科學硏究所 1998 圓光醫科學 Vol.14 No.2
Bilateral vocal cord paralysis are uncommon but tend to occur after thyroid surgery or head injuries. The cords are often closed to the midline and paramedian position, therefore the airway is already compromised. So these patients often require tracheostomy and intubation. If compromised airway is not improved after observation, surgical treatment which is for the permanent airway maintenance should be carried out. We have experienced arytenoidectomy for three cases of bilateral vocal cord paralysis. Two of them were treated by external arytenoidectomy and the other was treated by laser arytenoidectomy. The results were relatively satisfactory. So we report these cases with brief review of the literature.
계층버스 다중처리기 시스템에서의 효율적인 캐쉬 일관성 프로토콜
장태무,박영호 동국대학교 대학원 1992 大學院硏究論集-東國大學校 大學院 Vol.22 No.-
We present an efficient cache coherence protocol for shared-memory multiprocessor system employing a hierarchical bus system. The protocol a modified version of Goodman's write-once cache coherent protocol, allows the existence of multiple shared blocks in a cluster but reduces contentions on bus and memory units arising from references to upper levels. Results of simulation based on multi-stage queueing network model, show that our protocol is an improvement on the existing version of writee-once in terms of throughputs and average response times measured with varying conditions