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곽민선,성나영,양정희,박은철,최귀선,Kwak, Min-Son,Sung, Na-Young,Yang, Jeong-Hee,Park, Eun-Cheol,Choi, Kui-Son 대한예방의학회 2006 예방의학회지 Vol.39 No.4
Objectives: The goal of this study is to measure women's willingness to pay for cancer screening and to identify those factors associated with this willingness to pay. Methods: A population-based telephone survey was performed on 1,562 women (aged 30 years or over) for 2 weeks (9-23th, July, 2004). Data about sociodemographic characteristics, health behaviors, the intention of the cancer screenings and willingness to pay for cancer screening were collected. 1,400 respondents were included in the analysis. The women's willingness to pay for cancer screening and the factors associated with this willingness to pay were evaluated. Results: The results show that 76% of all respondents have a willingness to pay for cancer screening. Among those who are willing to pay, the average and median amount of money for which the respondents are willing to pay are 126,636 (s.d.: 58,414) and 120,000 won, respectively. As the status of education & the income are higher, the average amount that women are willing to pay becomes much more. The amount of money women are willing to pay is the highest during the 'contemplation' stage. Being willing to payor not is associated with a change of behavior (transtheoretical model), the income, the concern about the cancer risk, the family cancer history, the marital status, the general health exam, age and the place of residence. Income is associated with a greater willingness to pay. Old age was associated with a lower willingness to pay. Conclusions: According to the two-part model, income and TTM are the most important variables associated with the willingness to pay for cancer screening. The cancer screening participation rate is low compared with the willingness to pay for cancer screening. It is thought that we have to consider the participants' behavior that's associated with cancer screening and their willingness to pay in order to organize and manage cancer screening program.
곽민선,박은철,방진영,성나영,이지영,최귀선,Kwak, Min-Son,Park, Eun-Chul,Bang, Jin-Young,Sung, Na-Young,Lee, Ji-Young,Choi, Kui-Son 대한예방의학회 2005 Journal of Preventive Medicine and Public Health Vol.38 No.4
Objectives : We wanted to identify those factors associated with stomach, colon, breast and cervix cancer screening. Methods : A population-based telephone survey was conducted for 2 weeks (the 9th-23th of July, 2004) by trained interviewers with using a questionnaire. 2,598 respondents (females aged 30 years or over, and the males aged 40 years or over) were selected by random-digit dialing that was based on the 2000 Population and Housing Census. The data on socio-demographic, health behavior and enabling factors were collected. 2,571 respondents were included in analysis. The cancer screening rate was classified into 2 categories : the life time screening rate and the screening rate with recommendations. Results : For the 2,571 respondent s, the life time screening rate was as follows: 52.0% (Stomach), 25.3% (Colon), 55.9% (Breast) and 76.8% (Cervix). The screening rate with recommendation was as follows : 3 9.2% (Stomach), 20.6% (Colon), 42.5% (Breast) and 58.3% (Cervix). On a multiple logistic regression analysis of the life time screening, statistically significant relationships were observed for the screening intention, the health exam, the disease history, the age of the patients and the cancer screening rates. On a multiple logistic regression analysis of the screening with recommendation, statistically significant relationships were observed for the screening intention, the health exam, the age of the patients, the concern about the risk of cancer, the voluntary health insurance for cancer and the cancer screening rates. Conclusions : The results of this study suggest that the cancer screening intention, the health exam and the age of the patients are the most important factors to participate in life time cancer screening and also screening with recommendations. A positive association was also observed for the concern about the risk of cancer, the voluntary health insurance for cancer. It is hoped that this study will be a base line data for suggesting the representative cancer screening rate in Korea.
함명일,최귀선,계수연,곽민선,박은철,Hahm, Myung-Il,Choi, Kui-Son,Kye, Su-Yeon,Kwak, Min-Son,Park, Eun-Cheol 대한예방의학회 2007 예방의학회지 Vol.40 No.3
Objectives : The purpose of this study was to identify the factors influencing the intention to have stomach cancer screening using the theory of planned behavior (TPB) in Korea. Methods : For this population-based study, 1,535 adult respondents (aged 40 to 70 years) were recruited using multi-stratified random sampling and a face-to-face administered questionnaire. This study was based on Ajzen's theory of planned behavior. Intentions were divided into three scenarios for fee payment in the next two years : (1) free of charge, (2) co-payment, and (3) full charge. Multiple linear regression was used to identify the factors influencing the intention to have stomach cancer screening. Results : Perceived behavioral control and attitude toward stomach cancer screening were significant predictors of the intention to have stomach cancer screening. However, subjective norm only influenced the intention to have stomach cancer screening with full charge in the next two years. Conclusions : The results suggest that attitude and perceived behavioral control are likely to contribute toward increasing the intention to have stomach cancer screening. Especially, perceived behavioral control is a good predictor. Because the study subjects were nation wide residents, the study results can be generalized.
40-75 kHz의 주파수 범위에서 동작하는 광대역 초음파 변환기의 설계 및 개발
이대재 ( Dae Jae Lee ),곽민선 ( Min Son Kwak ),강희영 ( Hee Young Kang ) 한국수산과학회 2014 한국수산과학회지 Vol.47 No.3
The objective of this study was to design and develop a broadband ultrasonic transducer that has both wide band-width and high sensitivity to measure broadband echoes related to identifying fish species. A broadband ultrasonic transducer providing a nearly flat transmitting response band of 40.2-75.5 kHz with a - 12 dB bandwidth of 35.3 kHz was achieved by integrating 12 tonpilz transducer elements operating at different resonance frequencies. The average transmitting voltage response, receiving sensitivity, and figure of merit values in this frequency band were 168.4 dB (re I μPa/V at 1m), -196.8 dB (re 1 V /μPa), and -28.4 dB, respectively. The results suggest that bandwidth and sen-sitivity can be widened and improved by adjusting the array pattern and the structure of tonpilz transducer elements.
펄스압축기법을 이용한 활어 개체어에 대한 광대역 음향산란신호의 분석 및 식별
이대재 ( Dae Jae Lee ),강희영 ( Hee Young Kang ),곽민선 ( Min Son Kwak ) 한국수산과학회(구 한국수산학회) 2015 한국수산과학회지 Vol.48 No.2
This study identified the species-specific, frequency-dependent characteristics of broadband acoustic scattering that facilitate classifying fish species using the pulse compression (PC) technique. Controlled acoustic scattering laboratory experiments were conducted with nine commercially important fish species using linear chirp signals (95-220 kHz) over an orientation angle range of ±45° in the dorsal plane at approximately 1° increments. The results suggest that the angular-dependent characteristics of the broadband echoes and the frequency-dependent variability in target strength (TS) were useful for inferring the fish species of interest. The scattering patterns in the compressed pulse output were extremely complex due to morphological differences among fish species, but the x-ray images strongly suggested that spatial separation correlated well with scattering for the head, skeleton, bone, otoliths, and swim bladder within each specimen.
윤난희 ( Nan He Yoon ),권순만 ( Soon Man Kwon ),이후연 ( Hoo Yeon Lee ),박은철 ( Eun Cheol Park ),최귀선 ( Kui Son Choi ),곽민선 ( Min Son Kwak ) 한국보건행정학회 2009 보건행정학회지 Vol.19 No.1
The objectives of this study were to evaluate the satisfaction of participants in the National Cancer Screening Program(NCSP) and to identify factors affecting the satisfaction. The telephone survey was conducted in July 2007 for the participants who were screened by the NCSP from January through May 2007. Student`s t-tests and analysis of variance were performed first to determine if the mean satisfaction score differed by the characteristics of study objects, followed by multiple linear regression analyses to examine the factors affecting satisfaction. Dependent variable was general satisfaction for the screening service, and three dimensions of independent variables - ``sociodemographic characteristics``, ``screening characteristics``, and ``perceived service quality`` - were used for the empirical analyses. Female, old-aged, less educated, Medicaid recipients, rural residents and the participants with normal results were more likely to be satisfied with the NCSP. The results of multiple regression analyses show that gender, age, location of residence, type of screening units, and perceived quality of screening services were significantly related to satisfaction. This study is meaningful as the first attempt to measure participant satisfaction with the NCSP, and to identify factors affecting the satisfaction. Among the identified factors, the NCSP needs to pay attention to perceived quality of service, in particular, to improve the satisfaction. This study is expected to contribute to raising the compliance rate and to improve the quality of the NCSP.