• 한국엔터테인먼트산업학회논문지
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• 제14권8호
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• pp.197-202
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• 2020

본 연구에서는 20대 여성의 카페인 중독이 심장호흡기계 능력에 미치는 영향을 조사하였다. 본 연구의 대상자는 G 광역시 소재의 H 대학교 여학생 35명을 카페인 중독자(n=17)과 카페인 비중독자(n=18)가 참여하였다. 심장능력을 평가하기 위해 사이클 에르고미터를 사용하여 최대산소섭취량, 최대에너지소비량, METs를 측정하였으며, 호흡기계 능력은 파워브리드 K5를 사용하여 최대들숨압, 평균들숨압, 최대들숨유속, 평균들숨유속, 최대들숨량, 평균들숨량을 측정하였다. 본 연구의 결과는 심장능력에서 카페인 중독군은 카페인 비중독군에 비해 최대산소섭취량과 METs에서 통계학적으로 유의한 감소를 보였으며, 호흡기계 능력에서는 카페인 중독군이 비중독군에 비해 최대들숨압, 평균들숨압, 최대들숨유속, 평균들숨유속에서 통계학적으로 유의한 감소를 보였다. 본 연구의 결과를 종합하면, 카페인 중독은 20대 여성의 심장호흡기계 능력의 감소를 보였다. 따라서 본 연구의 결과는 20대 여성의 카페인 중독예방을 위한 기초자료로 활용할 수 있을 것이다.

• 동의신경정신과학회지
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• 제14권2호
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• pp.135-143
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• 2003

Objectives : The purpose of this study is to analyze and compare heart rate variability(HRV) of patient of twenties and thirties diagnosed as Kiwooljeung with healthy controls'. Methods : We measured HRV of 35 patient(20 to 39 years old, male 14, female 11) diagnosed as Kiwooljeung and 40 healthy controls(male 24, female 16). HRV was measured by SA-3000P(Medicore, Korea) for 5 minutes after 5 minutes resting. Results : 1. In time domain analysis, Mean pulse rate(PRT) in Kiwooljeung group was higher than healthy controls. Standard deviation of all normal N-N intervals (SDNN) in Kiwooljeung group was lower and the results of twenties and thirties were same. 2. In frequency domain analysis, total power(TP), very low frequency(VLF), low frequency(LF), high frequency(HF), Ln TP, Ln VLF, Ln LF, Ln HF in Kiwooljeung group were lower than healthy controls but LF/HF ratio was higher than healthy controls. 3. Comparing gender in Kiwooljeung group, LF/HF ratio in male was higher than female. Conclusions : This study suggests lower activity and imbalance of cardiac autonomous nervous system in Kiwooljeung with the age group between twenties and thirties.

• 한국생활과학회지
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• 제17권1호
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• pp.95-103
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• 2008

From the research which it sees the knit which is the competitive power it will be able to be sufficient the craving of the consumers who are changing be light from the which provides the fundamental data for production the F/W season knit wear it tried to know the age unit preference moral difference of item. The conclusion of the research which it the same. From all age unit pullover possession at 5 working for living, the jacket the ratio of the person whom it does not have entirely appeared most highly. The age unit knit wear twenties meaning item preference from, thirties and forties appeared with the item which pullover prefers most, fifties selected a cardigan case, an ensemble and the jacket and it prefers with the fact that. It appeared with the style which it prefers most from case P1, P2 all twenties of pullover, the cardigan proposal case appeared with the style which it prefers most from C1, C2 all fifties. From the jacket it appeared with the style which the J1 prefers from fifties-forties. Each age especially the F/W season knit wear the result which examines the wearing objective against, twenties become popular, thirties expression of individuality, forties convenient of activity, fifties for the convenient of activity complement of activity the knit wear with the fact that it wears.

• 복식문화연구
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• 제9권6호
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• pp.818-829
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• 2001

The purposes of this study were to segment the men in twenties and thirties according to clothing benefits sought, and to develop a profile of each segment concerning shopping orientation, self·image, and importance of store attributes. The questionnaire was administered to men in twenties and thirties living in Seoul and data were analyzed by frequency, percentage, factor analysis, cluster analysis, and MANOVA(multivarite analysis of variance). By cluster analysis of clothing benefits sought, three groups were identified and labeled as: (1) the group of focusing the influence of other people and comfort clothing(31.7%): (2) the group of pursuing the fashion trend (48.1%); the group of pursuing the individuality(20.1%). Three groups were then compared through MANOVA on shopping orientation, importance of store attributes, and self-image. Significant differences were found among three groups on three variables. In general, the group of focusing the influence of other people and comfort clothing tended to be ostentatious and tended to wear comfortable clothing. The group of pursuing the fashion trend didn't show specific shopping orientation and just liked to follow the current fashion trend. The group of pursuing the individuality enjoyed the shopping and liked to buy the clothing which enhances the personal character.

• 복식문화연구
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• 제8권2호
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• pp.305-314
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• 2000

The purposes of this study were (1) to segment the men in twenties and thirties according to apparel shopping orientation and (2) to create a profile for each group with regard to importance of store attributes, self-image and demographic variables. The questionnaire was administered to men in twenties and thirties living in Seoul and data were analyzed by frequency, percentage, factor analysis, cluster analysis, χ²-test, and one-way ANOVA. The results were as follows : 1) By cluster analysis of apparel shopping orientation factors, three groups were identified : (1) ostentatious shopper(44.5%), (2) practical shopper(21.8%), and (3) individuality-pursuit shopper(33.7%). 2) Three groups were compared on store attributes and self-image. Significant differences were found among the three groups on two variables. Ostentatious shoppers pursued the masculine and sophisticated image and tended to prefer the store image and reputation, convenient transportation and parking place, and variety of products. Practical shoppers pursued the self-image which reflected the conservative and not-noticeable image and considered the moderate price of the products most importantly. Finally, individuality-pursuit shoppers preferred the sexy and noticeable image and considered the display and accommodation of the trendy products. 3) In terms of the demographic variables the significant differences were found on education, occupation, monthly income, and marital status. In general ostentatious shoppers tended to earn higher monthly income than those of the two groups. Practical shoppers tended to be well-educated and individuality-pursuit shoppers tended not to be married.

• 한국의류산업학회지
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• 제7권6호
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• pp.601-608
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• 2005

This research investigated the present state of the dress forms used by clothing manufacturers and proposed procedure to bring out the standardized body type and figure for women in twenties. The result of questionnaire showed chief pattern maker's thoughts that dress form should be differently made for each age group and should be more reflected the standard body than the idea body. The standardized body type was made from the standardized posture and size which were analyzed from the interquartile range(IQR) of 314 subjects. The standardized size could be verified as for the balanced body shape of twenties through making the standard dress form. The standardized form(S form) was compared with three kinds of forms(A, K and P) for investigating the suitability of forms. K form was very similar to S form, Educational P form and manufacturer's A form had quite big differences from S form at the important areas for making clothing. The side shapes of A, K and P forms showed differences at back bending, neck angle and hip shape from S form. A form was comparatively smooth and flat. This results could be used as the practical standard to improve the suitability of size and shape in the dress forms of manufacturers and educators.

• 간호행정학회지
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• 제8권1호
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• pp.97-105
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• 2002

The purposes of this study is to identify the relationship between coping strategies and the nursing organizational effectiveness in hospital nurses and to provide the basic data concerning the development of job stress management program for hospital nurses. The subjects showed that the twenties and single nurses who had worked under one year used more frequently 'the avoid and the symptom coping strategies' better than 'the control'. Also, they showed significantly lower satisfaction and higher 'the intent to leave' than others. The main factors that affected the satisfaction and 'the intent to leave' were age and the control coping strategies.In conclusion, this study showed that the staff nurses who were twenties, single, and new employed used more frequently 'the avoid and symptom management coping strategies' than others. Also they showed lower satisfaction and higher 'the intent to leave' than others. So Age and the control coping strategies should be considered in the development of staff nurses' stress management program. Especially, it was needed to focused on the nurses who were twenties, single, and new employed.

• Genomics & Informatics
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• 제18권4호
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• pp.45.1-45.5
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• 2020

With the ongoing rise of coronavirus disease 2019 (COVID-19) pandemic across the globe, interests in COVID-19 antibody testing, also known as a serology test has grown, as a way to measure how far the infection has spread in the population and to identify individuals who may be immune. Recently, many countries reported their population based antibody titer study results. South Korea recently reported their third antibody formation rate, where it divided the study between the general population and the young male youths in their early twenties. As previously stated, these simple point estimates may be misinterpreted without proper estimation of standard error and confidence intervals. In this article, we provide an updated 95% confidence intervals for COVID-19 antibody formation rate for the Korean population using asymptotic, exact and Bayesian statistical estimation methods. As before, we found that the Wald method gives the narrowest interval among all asymptotic methods whereas mid p-value gives the narrowest among all exact methods and Jeffrey's method gives the narrowest from Bayesian method. The most conservative 95% confidence interval estimation shows that as of 00:00 November 23, 2020, at least 69,524 people were infected but not confirmed. It also shows that more positive cases were found among the young male in their twenties (0.22%), three times that of the general public (0.051%). This thereby calls for the quarantine authorities' need to strengthen quarantine managements for the early twenties in order to find the hidden infected people in the population.

• 대한임상전기생리학회지
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• 제8권1호
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• pp.31-36
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• 2010

Purpose : The purpose of this study was to investigate the effects of core exercise on the static balance for females in their twenties. Methods : The core exercise program was conducted 3 times per week for 4 weeks. The result is based on the analysis of measuring static balance before and after the core exercise program. By using the GOOD BALANCE system, the assessment of the static balance ability was made before and after the exercise of 6 postures: normal standing, one left leg?and one right leg standing with eyes open and closed respectively. For each case, the experimental data were obtained in 3 items: mean X speed, mean Y speed, and velocity moment. Statistical analysis was performed using SPSS/Win(10.0) version and Willcoxon signed rank test. Results : From the result of this study, we found that mean X speed, mean Y speed and velocity moment of total postures significantly increased after the 4 week program of core exercises. Conclusion : These finding indicate that core exercises could be beneficial to females in their twenties due to the effect of increasing static balance.

• 한국정밀공학회지
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• 제23권1호
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• pp.209-215
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• 2006

The present study purposed to examine differences between 20s and 40s in visuospatial performance, the number of activated yokels and cerebral lateralization using functional Magnetic Resonance Imaging (fMRI). For this study, eight college students in their twenties (21.5 years on the average) and six adults in their forties (45.7 years on the average) participated in the experiment. Functional brain images were taken from 37 MRI using the single-shot EPI method. Compared to the twenties the forties showed lower visuospatial performance and longer reaction time. In addition, compared to the twenties the forties had a smaller number of activated yokels and less cerebral lateralization. The results of this study show that people's visuospatial performance and number of activated yokels decrease with aging. In addition, they also suggest that cerebral lateralization decreases in order to supplement the lowering of visuospatial performance, which in turn symmetrizes the activation of the left and right hemisphere.