• Journal of the Korean housing association
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• v.9 no.3
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• pp.69-77
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• 1998

This study has been performed to analyze living arrangement in later life. In this study, 276 Koreans aged 60 or more were interviewed for their current household structure. The results are drawn as follows: 1. Of all the households with at least one person aged 60 or more, those living in three generations account for the largest proportion, 39.9 percent. For the regional difference, the rate was slightly higher in urban areas than in rural areas. 2. 48.7% of the subjects living in owned homes were households with elderly only, but only 23% of those living in rented homes are elderly only. Overall, the rate of elderly-only households becomes the highest for those living in owned single structure homes. This result indicates that the elderly with higher economic status are more likely to live without children than others. 3. As for birth order, those who grew up as the first child are most likely to live in elderly-only households, while others are in three generation homes. 4. The elderly with few children are more likely to live independently than those with many children, not because they are without dependable children, but because spend less resource for childbearing and therefore are more independent. 5. Overall in this, it is supported that socioeconomic status and independability are more influential factors on living arrangement of the elderly than regional or emotional factors.

• Journal of the Korean housing association
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• v.26 no.5
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• pp.37-44
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• 2015

The purpose of this study was to compare urban and rural seniors' perceptions on the eight aspects of the World Health Organization Age-Friendly Cities (AFC) initiative on Jeju Island, South Korea. Face-to-face interviews using structured questionnaires were administered to 497 persons aged 65+ living on Jeju Island. Findings suggested that urban and rural held significantly different perceptions on five aspects of AFC (outdoor space and buildings, housing, civic participation and employment, community support and health services, and respect and social inclusion). Predictors of overall AFC score for all participants included age and living in a single-family home. Among urban dwellers, monthly household income and length of residence predicted AFC score while among rural seniors, predictors of AFC included educational attainment. To make communities more age-friendly, perspectives of older residents should be sought, shared, and reflected in policy and different strategies and priorities should be developed specific to urban and rural areas.

• Journal of the Korean Society of Safety
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• v.29 no.2
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• pp.1-6
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• 2014

In this paper, safety certification products and safety condition of small transformer is analyzed in industries field and educational facilities. In transformer of 50places, absolute majority is step down transformer to measure of instrument. Most transformers were below 5kVA and 1~3kVA capacity was the mainstream. In industries field, 5 transformers were found without safety certification according to the Electrical Appliances Safety Control Act as cheap product prefer and lack of safety consciousness. Mark & number, voltage, date of manufacture of safety certification must show item of certification. However date of manufacture showed in product of 18%, 9places. As result of thermal imaging camera, running temperature of transformer was showed in below of target temperature. However as a narrow space of transformer and wall, power cable was touched on a ventilating flue in transformer. It was simple carelessness case that surface fouling and temperature ageing of transformer accelerate. Power poor connection, neglect of transformer in production equipment, fall damage by setup incongruity and ground omission were found in case of illogicality item of transformer.

• Journal of the Korean Society of Manufacturing Process Engineers
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• v.19 no.7
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• pp.74-80
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• 2020

The ocher jjimjilbang for a single-person household that will be studied in this study is 2.1 ㎡ in size, and this study was conducted to implement well-being room heating that is beneficial to health by supplying radiant heat provided by hot water during room heating by embedding hot water panels in the walls of the ocher jjimjilbang to configure a hot water circulating system. In addition, the ocher bed and the ocher walls, which have been verified through many study findings and reference materials, were constructed so that the living life with a bed and the ocher jjimjilbang would be implemented simultaneously. As the mass flow rate of the hot water increased, the magnitude of the wall temperature rise thanks to the hot water increased, and as the flow rate of the hot water increased, the transfer rate of the heat transferred from the wall of the ocher jjimjilbang to the air inside the wall of the ocher jjimjilbang increased.

• The Research Journal of the Costume Culture
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• v.11 no.2
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• pp.320-330
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• 2003

The purpose of this study is to investigate a clothing use by clothing buying tendencies. Data were obtained from questionnaires filled out by 183 housewives in Daegu, and analyzed by utilizing Factor Analysis, frequency, correlation and ANOVA test. The results were as follows: 1. Four factors of clothing buying tendencies were identified as the pursuit of fashion, dressing for others, practicality, and dressing for self, 2. There was differences in clothing buying tendencies based on educational background and occupation. The factor of the pursuit of fashion was more important f3r college graduate housewives. It was also more important for housewives whose husband had professional jobs in comparison to their non professional counterparts. 3. The factors concerning the pursuit of fashion and dressing for others were more important fur those whose monthly household incomes ranged from 3,000,0000 to 4,000,000 won in comparison to those whose incomes were lower. 4. There was a negative correlation with the factor of dressing for others and the number of children. 5. The housewives had a higher clothing expenditure were more aware of the pursuit of fashion and dressing for others .6. The data concerning the number and types of various clothing owned showed single items were the most owned(more than 8 items) and altered Hanboks were the least owned(less than 1).

• Journal of Preventive Medicine and Public Health
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• v.53 no.5
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• pp.332-341
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• 2020

Objectives: The purpose of this study was to investigate the association between the Basic Old-Age Pension (BOP), which is a non-contributory pension, and depression in BOP beneficiaries in Korea. Methods: We used the second and third waves (2007-2008) of the Korea Welfare Panel Study to identify the effect of the BOP on mental health in the year of its introduction. The Center for Epidemiological Studies-Depression Scale, applied in a Korean context, was used to evaluate mental health. To analyze the effect of the BOP, a difference-in-difference approach was used in analyses of all subjects and subgroups. Results: For this study population of 760 adults, the BOP did not have a statistically significant relationship with depression in its beneficiaries. After controlling for type of household, the BOP was still not associated with lower reporting of depression, either in single-beneficiary or double-beneficiary households, in the year of the benefit. Conclusions: The BOP policy had no significant relationship with the level of depression among recipients. However, this should not be interpreted as implying that income subsidy programs for older adults, such as the BOP, do not affect mental health, considering the importance of economic hardship in this population and the program's socioeconomic effects.

• Health Policy and Management
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• v.24 no.3
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• pp.261-270
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• 2014

Background: This study examined what factors affected a complete examination of infant health checkup. Methods: We used Korean national health insurance claim data of 2,936,650 infants, taking examination in 2012. These claim data included enrollment status of householders and records of infant health checkup from 2008 to 2013. Results: Our results shows that for infant characteristics, the likelihood of complete examination of infant health checkup is significantly lower in female, older aged, and handicapped ones. For householder characteristics, the likelihood of complete examination of infant health checkup is also significantly lower in female, older group and self-employed ones. For household characteristics, the likelihood of complete examination is also significantly lower in single-parent families, multi-cultural families, parent with unexperienced health checkup and lower monthly premiums. Conclusion: It is necessary to support an additional use-guide and follow-up management services to improve incomplete examination of infant health checkup.

• Environmental and Resource Economics Review
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• v.10 no.2
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• pp.217-234
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• 2001

The use of district heating is expanding very rapidly in Korea. High population densities and the relatively cold winters make district heating an economically attractive option. About 8 percent of Korean houses are already using district heating and the government is seeking to aggressively expand this number. It has set a target of 15 percent of the residential heat market to be met by district heating in the year 2001. The main purpose of this paper is to analyze the consumption behavior of households using district heating. By pooling time-series and cross-sectional data for 12 apartment complexes in Seoul area, a single demand function is estimated and used to forecast the amounts of heat demanded by the individual households. The results shows that the level of consumption varies among households, depending on the non-economic factors such as the installation of individual metering equipment and the volume of apartment building. When individual metering equipment is installed, the level of annual heat consumption per household declines, on average, about 22.1 Mcal per square meters, which is equivalent to 834 won per square meter in terms of heating expenditures. In case that the apartment building was built in more than 6 stories, annual consumption level reduces additionally about 17.3 Mcal per square meters and, thus, save the expenditures by 649 Won per square meters, compared to the opposite case.

• Korean Journal of Air-Conditioning and Refrigeration Engineering
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• v.23 no.2
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• pp.126-131
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• 2011

Cyclone, a type of particle collector widely used in the field of ambient sampling and industrial particulate control, is the principal type of gas-solids separator that uses a centrifugal force. The goal of this study is to design and evaluate the cyclone that can be used for the household vacuum cleaners. A multi cyclone with a 1st cyclone and several 2nd cyclones is designed to improve dust collection efficiency. The dust collection efficiency and the suction power of 1st cyclone are evaluated. And the dust collection efficiency and the suction power of multi cyclone are evaluated according to various sizes of inlet and vortex finder. As a result, a cone shape porous filter has better dust collection efficiency than a cylinder shape porous filter. The dust collection efficiency of a multi cyclone is 3.5% greater than that of a single cyclone.

• Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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• v.26 no.5
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• pp.79-84
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• 2012

As the huge economical loss and function paralysis of information technology-based systems can be caused by the misoperation of residual current devices(RCDs) due to surge voltages and currents, RCDs shall not operate by surge currents. In this paper, in order to evaluate the reliability of residual current operated circuit-breakers with integral overcurrent protection for household and similar uses((RCBOs) stressed by surges, the unintended trip characteristics of RCBOs under surge currents were experimentally investigated using the combination wave generator. Seven different types of single-phase RCBOs being present on the domestic market were investigated according to KS C IEC 61009-1 standard. As a result, all kinds of specimens were satisfied the requirements for 0.5 [${\mu}s$]/100[kHz] ring wave impulse currents. Most of specimens stressed by the 8/20[${\mu}s$] impulse current tripped at least one or more, and some of them were broken down during consecutive tests. It was found that only one type of specimens meets the L-N mode immunity to the combination wave of 1.2/50[${\mu}s$] impulse voltage and 8/20[${\mu}s$] impulse current.