• Journal of the Korean Society of Safety
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• v.31 no.5
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• pp.35-41
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• 2016

Particulate filtering facepiece respirators (PFFR) is one of the most widely used items of personal protective equipments, and a tight fit of the respirators on the wearers is critical for the protection effectiveness. In order to effectively protect the workers through the respirators, it is important to find and evaluate the ways that can be readily applicable at the workplace to improve the fit of the respirators. This study was designed to evaluate effects of mask style (cup or foldable type) and donning training on fit factors (FF) of the respirators, since these are available at various workplace, especially at small business workplace. A total of 40 study subjects, comprised of 30~50s aged male and female workers in metalworking industries, were enrolled in this study. The FF were quantitatively measured before and after training related to the proper donning and use of cup or foldable-type respirators. The pass/fail criterion of FF was set at 100. After the donning training for the cup-type mask, subjects who passed the fit test were increased from 10 to 33. Moreover, the geometric mean (GM) of FF was increased by 340% in subjects who failed the test. In addition, the training effects for the cup-type mask were significant in female and 50s aged subjects. On the other hand, although the GM of FF for the foldable-type mask was also increased after the donning training, the GM of FF for the foldable-type mask and it's increase rate were smaller as compared to the cup-type mask. Furthermore, the differences of the increase rates of the GM of FF in sex and aged of the subjects were not significantly for the foldable-type mask. The multi-distribution of leak points for the foldable-type mask may be one of causes for the less effect of training on the fit of the foldable-type mask. These results imply that the raining on the donning and use of PFFR can enhance the protection effectiveness of cup or foldable-type mask, and that the training effects for the foldable-type mask is less significant than that for the cup-type mask. Therefore, It is recommended that the donning training and fit tests should be conducted before the use of the PFFR, and that efficient tranining programs for the foldable-type mask are required.

• Journal of the Korean Society of Safety
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• v.33 no.6
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• pp.28-36
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• 2018

There was a difference in recognition of respirators according to the educational performance environment. they were showed higher recognition of respirators of group by internal and external mix trainer, less than 6 months, over 1hour, more than 5 times, variety of education. To identify the relationship between types of job classification(typical and atypical)and the levels of recognition of respirators, a total of 153 workers in a business workplace. mainly, typical workers showed higher recognition of respirators than atypical workers. Training of correct wearing showed high demands both typical and atypical workers. Descriptive statistics(SAS ver 9.2)was performed. the results of recognition of respirators were analyzed the mean and standard deviation by t-test, and anova, fit factor is used geometric means(geometric standard deviation), paired t-test, Wilcoxon analysis(P=0.05). Particulate filtering facepiece respirators (PFFR) is one of the most widely used items of personal protective equipments, and a tight fit of the respirators on the wearers is critical for the protection effectiveness. In order to effectively protect the workers through the respirators, it is important to find and evaluate the ways that can be readily applicable at the workplace to improve the fit of the respirators. This study was designed to evaluate effects of mask style (cup or foldable type) and donning training on fit factors (FF) of the respirators, since these are available at various workplace, especially at small business workplace. A total of 40 study subjects, comprised of employment type workers in metalworking industries, were enrolled in this study. The FF were quantitatively measured before and after training related to the proper donning and use of cup or foldable-type respirators. The pass/fail criterion of FF was set at 100. After the donning training for the cup-type mask, fit test were increased by 769%. but foldable-type mask was also increased after the donning training, the GM of FF for the foldable-type mask and it's increase rate were smaller as compared to the cup-type mask. Furthermore, the differences of the increase rates of the GM of FF in employment type of the subjects were not significantly for the foldable-type mask. These results imply that the raining on the donning and use of PFFR can enhance the protection effectiveness of cup or foldable-type mask, and that the training effects for the foldable-type mask is less significant than that for the cup-type mask. Therefore, it is recommended that the donning training and fit tests should be conducted before the use of the PFFR, and listening to workers opinion regularly.

• Korean Chemical Engineering Research
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• v.61 no.1
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• pp.68-73
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• 2023

Smoke masks have attracted great interests and have been supplied widely for the improvement of the safety during fire evacuation. However, there is not sufficient research on the practical utility, certification status and easy-donning about commercial smoke masks, therefore it is difficult to determine the actual usefulness of the smoke masks. In this study, we conducted a survey on users' perceptions and experiences about the smoke masks, and investigated the status of certification of 54 commercial smoke masks. We also performed donning tests and examined degrees of discomfort for 4 types of the smoke masks. Although 22% of 235 respondents had experienced the smoke masks before the test, and 23% of the respondents did not know the smoke masks, 93% of the respondents expected that the smoke masks could protect users from fire smokes and toxic gases. It was found that 41% of the commercial smoke masks did not certify according to domestic or overseas performance standards. Most certification standards have not effectively regulated maximum wearing time for the smoke masks. Only ASTM E 2952 and KFIS 024 had specific standards for the maximum wearing time of 30 s. As a result of donning tests for 4 types of smoke masks, the wearing time of the hood-type mask and self-contained smoke mask exceeded 30 s, therefore these types of smoke masks might increase the required safe evacuation time. On the other hand, it was also found that short education about the donning could reduce the wearing time by 19% and numbers of improper wearing by 89%.

• Journal of the Korean Society of Costume
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• v.64 no.5
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• pp.154-167
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• 2014

This study explored culture adaptive attitudes and donning practices of traditional dress among Chinese marriage immigrant women. Quantitative research was conducted on Korea-Chinese multicultural families. Participants were 291 married women in Seoul and Gyeonggi Province. The data was analyzed using frequency analysis, factor analysis, t-test and correlation analysis. The findings are as follows: First, positive relationship was found between Hanbok acceptance attitudes and Qipao transmission attitudes. The level of Qipao transmission attitudes was higher than Hanbok acceptance attitudes especially in the part of knowledge. Han Chinese showed stronger Qipao transmission attitudes than Korean Chinese. Immigrants without Korean nationality had stronger Qipao transmission attitudes. Higher education group and higher income group showed higher level both on Hanbok acceptance attitudes and Qipao transmission attitudes. Second, more than 50% of Chinese marriage immigrant women wore Hanbok once or twice per a year. On the other hand, only 24% of them wore Qipao. This result shows that there exists a gap in the Qipao transmission attitudes and donning practices. 44% of women wore both Hanbok and Qipao in their own wedding ceremony, 32% wore only Hanbok, and 19% wore only Qipao. 64% of women had an experience of wearing Hanbok on special days such as traditional holidays or family affairs, whereas only 29% had worn Qipao.

• Journal of the Korea Convergence Society
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• v.11 no.5
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• pp.353-361
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• 2020

Objectives: This study was attempted to confirm the convergence education effect of donning and doffing Personal Protective Equipment(PPE) for Non-medical Personnel. Method: Three training sessions in 2018 were conducted for 28 dedicated staff who met Level D personal protective equipment. After the training, the scores of PPE donning and doffing were collected. Friedman and Wilcoxon's Signed-Ranks Tests were performed. Results: As the number of training increased, the score of doffing PPE increased significantly. And the differences by frequency, the score of the donning PPE was significantly increased in the 3rd rather than the 1st. However, the score of doff was increased in the first to third cases, but it was not significant. Conclusion: The results of this study found that the effect of doffing PPE education was relatively lower than that of donning practice. so the increase in the number of training sessions or the periodic training is important.

• Physical Therapy Korea
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• v.8 no.2
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• pp.17-27
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• 2001

The purpose of this study was to investigate the effect of donning of a hard insole in patients with hallux valgus. Fourteen subjects were selected from patient with foot pain at Lee Chang-Heon Foot Clinic from August 4, 2000 to September 15, 2000. The hallux valgus angle and the first-second intermetatarsal angle were radiographically measured before and after donning the hard insole. Based on these two kinds of angles, a mild hallux valgus deformity group was characterized by the hallux valgus angle of less than 20 degrees, and a moderate hallux valgus deformity group was characterized by the hallux valgus angle of 20 to 40 degrees. After three weeks with the hard insole donned, the foot angles of the patients with hallux valgus were measured again. The data were analyzed by Wilcoxon signed ranks test, and the following results were obtained: 1) After the trial, both mild hallux valgus deformity group and moderate hallux valgus deformity group demonstrated that the hallux valgus angles were significantly decreased. 2) After the trial, mild hallux valgus deformity group demonstrated that the first-second intermetatarsal angle was significantly decreased. 3) After the trial, moderate hallux valgus deformity group demonstrated that the first-second intermetatarsal angle was not significantly decreased. The above findings revealed that according to donning hard insole, the hallux valgus angles of mild and moderate hallux valgus deformity groups and the first-second intermetatarsal angle of mild hallux valgus deformity group were significantly decreased. The results of this study have some limitation for generalization due to the limited number of subjects. Further studies are needed to evaluate the effect of hard insole on hallux valgus with more precise laboratory equipments and measurements in patients with hallux valgus.

• Journal of the Korean Society of Costume
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• v.65 no.6
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• pp.63-78
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• 2015

This study explored culture adaptive attitudes and traditional dress donning practices among Japanese women who immigrated to Korea after marrying Korean men. Quantitative research was conducted on Korean-Japanese multicultural families. Participants were 233 married women who emigrated from Japan to Korea currently living in Seoul and Gyeonggi Province. The data was analyzed using frequency analysis, t-test and correlation analysis. The findings were as follows: First, a positive relationship was found between Hanbok acceptance attitudes(HAA) and Kimono transmission attitudes(KTA). Both HAA and KTA had a positive relationship with ethnic identity. 43.3% of the respondents thought that they belonged both to Korean and Japanese ethnicity, 30.5% to Korean ethnicity, and 26.2% to Japanese ethnicity. Similar tendency (64.8% to bicultural identity, 31.3% to Korean, and 3.9% to Japanese) was found in the ethnic orientation towards their children. Both HAA and KTA had no difference in accordance with nationality, education and income level. Second, 70.4% of women had no experience of wearing Hanbok, and 90.1% had no experience of wearing Kimono. The women mostly wore Hanbok and Kimono for social events and family weddings.

• Journal of Korean Society of Occupational and Environmental Hygiene
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• v.11 no.2
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• pp.92-101
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• 2001

This article reviewed previous studies on the 3D face recognition and anthropometric facial analysis to design suitable respirators for individuals. 3D facial anthropometric data have not been reported in Korea yet. With 3D facial data, it is possible to design and to manufacture respirators having more effective respirator-face seal and thus providing more comfortable wearing than donning of those respirators designed using 1 and 2-dimensional data. Also 3D data could be used for respirator fit-testing and selecting suitable respirator type and size by computer simulation without several steps of fit-test to each individual worker.

• Journal of the Ergonomics Society of Korea
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• v.17 no.3
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• pp.81-90
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• 1998

This study was performed to devise a sizing system for child hospital gown(uniform). The researchers surveyed the usage of child hospital gown and developed a sizing system for the child hospital gown. The suitability of revised size specification of gown was evaluated. 219 child inpatients participated in the survey and 13 child inpatients took part in the wear test. The results of the study were as following. 1) 71.7% of the subjects wore the uniform shirts. however numerous number of subjects did not wear uniform pants that the hospital provided(52.5%). The 68.2% of children who were shorter than 100cm did not wear uniform pants. 2) The most significant reason not wearing the hospital gown was unsuitable sizing system (42.1%). Inconvenience for donning and doffing comes next(26.2%). 3) The least satisfied garment size problems were the pants length and sleeve length. 4) The researchers developed a sizing system for the child hospital gown. The system provides 4 different sizes for children age from 2 months to 12 years. One-piece dress style was suggested for the smallest size(XS). The larger sizes(S. M. L) were designed in pajama style. 5) The sizing system developed in this study was moderately satisfied by the users.

• Fashion & Textile Research Journal
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• v.12 no.5
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• pp.633-641
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• 2010

The purpose of this study is to evaluate a new flight suit in bilateral ways; subjectively and objectively in the improvements of comfort and mobility. Seven healthy males at the age of twenties volunteered in this wearing test. They were over 177 cm in height and 92-95 cm in chest circumference, which satisfies the M95 Special' size described in the Korean Military Specifications and Standards. The subjective satisfaction was evaluated according to the criteria of ease of donning and doffing, fitness of wear, mobility, space between cloth and body, convenience in using restroom. Subjective satisfaction evaluation says that the best improvement of movement are neck circumference, chest breadth, armscye circumference, waist back length, crotch length, crotch height and body rise. According to the evaluation, improvements of mobility were conspicuous especially in parts of body like neck, breast, waist, back, and arms. When evaluating objective satisfaction, we measured a angle difference in a prescribed standard-grid on a photograph that picked up while the subject performed each motion in front of 10 cm-interval grid. As a result, the motion that had angle difference above 5 degrees were arm stretching and standing on single leg holding at forward or at his side. Bending necks and waist, crouching also had angle difference of over 5 degrees. The improvements are discussed from the viewpoint that the increased ease in parts of armscye circumference and crotch in new flight suit pattern.