The Journal of Korean Society for School & Community Health Education
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v.19
no.2
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pp.65-76
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2018
Objectives: The purpose of this study was to investigate the hygiene behaviors according to obesity in adolescents and to provide basic data for school health project. Methods: The data from the 10th Korea Youth Risk Behavior Web-based Survey(KYRBWS) were analyzed by STATA 13.0 statistical packages. The demographic characteristics were analyzed by frequency analysis. The relationship between obesity and hygiene behaviors according to demographic characteristics were analyzed by chi-square test. Pearson's correlation coefficient was used for the correlation among the variables. Multivariate logistic regression analysis was performed to examine the effect of obesity on the hand washing and oral hygiene behaviors. The significance level for significance was set at 0.05. Results: Obesity, hand washing before eating and hand washing after using the bathroom were significant negative correlation. Hand washing before eating and hand washing after using the bathroom were significant positive correlation. Hand washing after using the bathroom were positive correlation with toothbrushing after lunch. Washing before eating was 1.079 times higher than that of obese people(p<0.05), and toothbrushing after lunch was higher by 1.298 times in Odds ratio than normal weight(p<0.001). Conclusions: There is a need to develop a school dental health program by collecting hygiene behaviors such as obesity, hand washing, and brushing after lunch.
PURPOSES : The purpose of this paper is to analyze the change in lane reflection performance through lane washing and sweeping on highway lanes. METHODS : This paper compared and analyzed the changes in lane reflection performance before and after lane washing and sweeping. The research method was as follows. First, we selected four research sites on the Gyeong-bu Highway. Second, the parameters affecting lane reflection performance are classified into luminance, brightness, and number of glass beads. Third, the change in reflection performance was measured after washing /sweeping at the same place after studying 60m of the unwashed/unswept area. Fourth, the measurement results were compared and analyzed before and after lane washing/sweeping. RESULTS : The results of this study are as follows. First, lane washing improved the luminance and brightness by 4.2~21.4% and 1.4~5.1%, respectively, and reduced the number of glass beads per wash by 0.2~1.2%. Second, lane sweeping improved the luminance and brightness by 2.3~8.5% and 0.8~2.3%, respectively, and reduced the number of glass beads per sweep by 0.8~4.9%. CONCLUSIONS : By comparing the results of lane washing and sweeping, it was found that compared to lane sweeping, lane washing improved the luminance and fewer glass beads were dropped.
This study was performed to evaluate the effects of washing food wastes before aerobic composting on temperature, pH and salinity, and the effects of washing after composting on salinity of sample mixtures. Weight ratios of food wastes to water in washing were 1:0(Control), 1:1(W-1), 1:2(W-2), 1:3(W-3) and 1:0(N-4), respectively. Ratios of food wastes to wood chips in reactor of Control, W-1, W-2, W-3 and N-1 were $5\;kg:0\iota,\;5\;kg:5\iota,\;5\;kg:5\iota,\;5\;kg:5\iota\;and\;5\;kg:5\iota$, respectively. Reactors were operated for 24 days with 1 hour stirring by 1 rpm and 2 hours of forced aeration per day. The increase in the ratio of water to food wastes resulted in the increase of the maximum reaction temperature and the shortening of the high temperature reaction period. The increase in the ratio of water to food wastes also resulted in faster reaching to the lowest pH and then to the steady state of pH 9.0. The final salinities of Control, N-1, W-1, W-2 and W-3 were $1.04\%,\;0.92\%,\;0.78\%,\;0.64\%\;and\;0.53\%$, respectively. The salinities of the N-l samples which were washed by the weight ratios (water:N-l) of 1:1, 2:1 and 3:1 after composting were $0.72\%,\;0.61\%\;and\;0.51\%$, respectively. Therefore, washing food wastes before aerobic composting is more efficient method than that after aerobic composting.
Ra-Ae Bak;Sun-Jung Shin;Hee-Jung Park;Jin-Young Jung;Hwa-Young Lee;Nam-Hee Kim
Journal of dental hygiene science
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v.23
no.2
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pp.132-141
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2023
Background: The purpose of this study was to identify the connection between handwashing and toothbrushing, focusing on eating habits, and to verify whether eating habits can be used as an action cue for forming health habits. Methods: This was a cross-sectional study using secondary data from the 2019 community health survey. The participants included 229,099 adults aged 19 years or older, representative of the South Korean people. We employed two dependent variables: one was washing hands, and the other was brushing teeth. Eating habits was a major independent variable. Socioeconomic variables, such as age, gender, income, occupation, economic activity, education, and residence were adjusted as confounders. Multivariate logistic regression was performed to calculate adjusted odds ratio and 95% confidence intervals. Results: Most of the participants had good health behaviors: those who wash their hands and brush their teeth were each approximately 80%. Our finding indicated that brushing teeth and washing hands can be connected with eating habits. After adjusting for confounders, it was found that people who wash their hands before meals (compared to those who did not wash their hands before meals) had a higher toothbrushing rate after meals (i.e., socioeconomic status) (Adjusted Odds Ratio: 2.0, Confidence Intervals: 1.9 to 2.1). Conclusion: Those who practice either washing hands before meals or brushing teeth after meals were found to have a connection between washing hands and brushing teeth based on the results of practicing other health behaviors. This implies that eating habits can be connected as a behavior cue to promote health habits, such as washing hands before meals and brushing teeth after meals.
Purpose: This is a clinical experimental study aimed to provide basic data to ensure quality care. The purpose of this study is to increase nurses hand washing behavior and decrease respiratory isolation rate of MRSA. Method: This study was conducted in Kangnam St. Marys hospital. The subjects included 5 nurses working at the NS ICU and 165 specimen for nasal swabs and 46 specimen for sputum cultures from 106 patients admitted to the NS ICU. The data were collected from June to September 2000. Results: 1.The percentage of the nurses hand washing was 15.6percent but was improved to 46.5 percent after the educational intervention. In particular, hand washing behavior was increased in situations such as after suctioning, before parenteral nutrition, and after providing hygiene care. 2. Results of nasal swab showed that MRSA isolation rate was reduced from 42.8 percent before the education to 18.6percent after the education. The sputum culture results also showed that the MRSA rate was reduced from 40.7percent before the education to 34.6percent after the education. Conclusion: The findings showed the nurses' strict hand washing behavior and use of disposable gloves and paper towers as well as use of hand sterilization spray by visitors or families can decrease the MRSA isolation rate in the NS ICU patients. Since the NS ICU patients may have respiratory complications due to long-term hospitalization, the nurses regular hand washing is important enough to be emphasized. Future research should be focused on the impact of nurses' hand washing behavior on the incidence of pneumonia, an iatrogenic infection.
Oh, Jiyeon;Park, Changpyo;Kim, Sam Soo;Lee, Jaewoong
Textile Coloration and Finishing
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v.32
no.4
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pp.208-216
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2020
In this study, C.I. Disperse Red 60 (DR60), C.I. Disperse Yellow 54 (DY54) dyes were used to investigate the washing fastness characteristics of PET fibers according to supercritical CO2 and aqueous dyeing process. The changes in K/S values and L⁎ values before and after washing of dyed PET fibers were observed according to the KS K ISO 105 washing fastness measurement method. In addition, it was confirmed by changing the ΔE⁎ and ΔL⁎ values of control PET fibers. Overall, it was confirmed that both the supercritical CO2 and aqueous dyeing process had excellent washing fastness ratings of 4-5 for DR60 and DY54 dyes. Comparatively, the K/S and L⁎ values for before and after washing of PET fibers with supercritical CO2 dyeing process was higher than that of the aqueous dyeing process and the ΔE⁎ and ΔL⁎ values of the control PET fibers were low. From the results, we observed that the supercritical CO2 dyeing process of PET fibers has better washing fastness characteristics than the aqueous dyeing process.
Objectives : In previous studies, I presented various effects of Seosiokyongsan (SSOOS) cp soap on facial skin. However, in the case of skin clinical trials, various factors such as lifestyle, alcohol, tobacco, and stress could not be excluded. The purpose of this study was to investigate the effect of face wash using SSOOS cp soap on the skin without environmental factors. Methods : The same water and towel were used at the same place in order to examine the skin change state immediately before and after washing face with SSOOS cp soap. The skin test was performed before washing the face and after 10 minutes washing the face to compare the changes. As a control group, the case of washing with water without using cleanser and the case of washing with S-K cleanser, which is a popular commercial product, were set. Three cases were compared and analyzed. Results : In the case of water washing, the decrease in moisture was similar to that of the S-K cleanser and the amount of oil and pores decreased, but it was weaker than that of the S-K cleanser. The SSOOS cp soap showed a decrease in oil, pores, and pigments, but it was not significant, the moisture showed a significant decrease, but it was mild compared to S-K cleanser and water wash. Conclusion : In the case of SSOOS cp soap, the stimulation caused by facial cleansing was the least, showing a gentle change.
This study was to investigate the physical properties and the external characteristics of denim fabrics(100% cotton non-spun denim, 98% cotton/2% polyurethane spun denim) such as tensile strength, thickness and weight, flex stiffness, surface color and shrinkage. The results of the study were as follows. After examining the change of external characteristics of before and after washing finishing for denim fabrics, denim with bio washing had increased pliability compared to denim without washing finishing but the pliability of the denim did not increase according to the intensity or frequency of washing. The luminance change according to washing finishing was high in the order of bio stone bleach washing, bio stone washing, bio washing and denim without washing finishing and the surface color became brighter in accordance with the increase of intensity and frequency of washing finishing.
Kim, Jong-Myeong;Jeong, Seul-Ki;Kang, Suk-Ho;Kwon, Sun-Mok;Kim, Jung-Beom
The Korean Journal of Food And Nutrition
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v.30
no.2
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pp.203-210
/
2017
The purpose of this study was to compare hand washing awareness and microorganism contamination on the hands for evaluating the difference between awareness and conditions of hand hygiene. The average number of total aerobic bacteria and coliform was 2.7 log CFU/hand and 1.8 log CFU/hand, respectively. Coliform bacteria were detected in all of the students tested in this study. The questionnaire survey data obtained via a direct interview were collected from 100 university students with microorganism analysis. A majority (90%) of the students recognized that good hand hygiene is important in order to prevent food poisoning. In the hand washing survey data, the responses suggesting "always washed" from "before eating food", "after handling money", "after finishing study" and "after visiting patients" were observed in 18, 13, 15 and 33 out of the 100 students, respectively. The questionnaire data of hand washing frequency and time duration showed that 14 students and 6 students answered "more than 8 times of hand washing per day" and "more than 30 seconds of hand washing time", respectively. These results indicated that improper hand washing practices and poor hand hygiene were identified in the majority of the students. This emphasizes the difference between awareness and conditions of hand hygiene. Repeated hand washing education about the frequency, time duration and methods is constantly required to improve hand hygiene. Installation of hand washing equipment in the space of a restaurant and cafeteria is suggested for enhancing hand hygiene before eating food.
Purpose: This study investigated the microorganisms in the hand before and after hand washing, using plain and antibacterial soap. The purpose of this study was to provide details, for educational purposes, of hand washing methods that should be used by college students for their hand hygiene. Methods: This study was arranged using a randomized control group pretest-posttest design. Data obtained through questionnaires were collected from college students in Gangwon Province. This study involved three groups under different conditions. The first and the second group washed their hands with plain and antibacterial soap, respectively. The third group members were educated about hand washing and they then washed their hands with plain soap. In addition, we collected samples to investigate the removal rate of Escherichia coli and Staphylococcus aureus, which can cause bacterial disease, by using sterile swabs from the hands in group 3. Results: The removal rates of bacteria in the first and the second group after hand washing with plain and antimicrobial soap were 62.7% and 76%, respectively. The third group, who were educated concerning proper hand washing, showed a figure of 72.8%. Conclusion: Repeated and more consistent education of college students concerning proper hand washing would be important in order to improve their knowledge, attitude, and performance with regard to hand washing.
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