This study was designed to analyze the results of stress index by heart rate variability test. The subjects were workers in the automobile manufacturing industry. The subjects consisted of 23,767 workers who had answered about questionnaires of a job position, age, smoking, drinking, exercise state and sex. The stress index(SI) and stress resistance(SR) were examined by SA3000P. We analyzed the differences of SI and SR according to job positions, ages, the state of smoking, drinking, exercise and sex by T-test or ANOVA with SPSS ver. 17.0. Regarding the differences of SI among job positions, the SI was highest in sales positions. Among ages, the SI was highest in 30s. In smoking, the SI was lower in non-smoking group. In drinking, there was no significant differences in SI. In exercise, the SI was lower in exercise group. In sex, there was no significant difference. The case of SR, SR was lowest in sales positions. Among ages, the SR was lowest in 40s. In smoking, the SR was lower in smoking group. In drinking, there was no significant differences in SR. In exercise, there was no significant difference. In sex, the SR was lowest in male. According to these results, we should establish the methods of controlling stress from the perspective of Korean traditional medicine.
The purpose of this study was to investigate developmental of young children's musical abilityes and musical conservation concepts. Two kinds of test were administered to 117 children aged 5-to 7-year-old. The musical ability test consisted of 30 tape-recorded questions regarding 5 musical ability domains, while the musical conservation test consisted of 17 questions regarding 4 musical conservation concept domains. The major findings of the study were as follows: 1)there was a significant difference in young children's musical abilities according to their sex and age. Girls developed their musical abilities better than boys did. Older children noticeable improved their musical abilities, especially, in such three domains as listening musical and rhythmic activities and playing musical instruments. 2)There was a significant difference in young children's musical conservation concepts according to their age, but not according to their sex. Older children improved musical conservation concepts specifically, in rhythm ,number of notes and duration conservation concepts. 3) the results of stepwise multiple regression analysis indicated that the most influence in variable on the musical conservation concepts was musical ability, then followed by children's age and sex. Some suggestions for future research and for the ways to increase musical abilities were discussed.
The traditional calculation of gestation length (GL) in Holstein cows relies solely on the insemination day and has a high error rate for actual calving dates. The present study was conducted to develop a more accurate method of estimating GL. Among 3,578 Holstein cows, the number of fetuses had a significant (p < 0.05) effect, with GLs of 282.4 ± 2.5 days for singletons and 276.0 ± 1.6 days for twins. Within the singleton group, the GLs were 284.6 ± 1.9 days for males and 280.3 ± 1.5 days for females, a significant difference (p < 0.05). However, within the twin group, there was no difference in GLs among twin males, twin females, or twins of both sexes. Gestation was significantly shorter for singleton males born from June to August but significantly longer for twin males born in the May to June period (p < 0.05). Neither parity nor housing type was associated with any significant difference in GL. In order to predict the calving dates of Holstein cows accurately and improve their management, calculations should consider the number and sex of fetuses as well as the insemination season.
Purpose: The purpose of this study were to analyze fatigue patterns of the rectus femoris muscle by isometric contraction. Methods: Twenty healthy subjects(10 male, 10 female) participated in this study. Maximal voluntary isometric contraction(MVIC) was measured by the dynamometer. Muscle activity was recorded from the rectus femoris muscle. During the experiment, the subject was seated in the chair. The measured items, median frequency(MDF) and root mean square (RMS), were collected from the surface EMG. All data were analyzed using repeated measures ANOVA. Results: There was significant difference of MVIC between male and female. Endurance time was significant difference by the level of MVIC but no significant in the main effect(sex) and interaction effect. The MDF and fatigue index were significant differences in the interaction effect. The RMS was not significant difference in both of main and interaction effect. The muscle fatigue patterns of female was greater than male after 60% MVIC. Conclusion: This study showed that sex differences of muscle fatigue were started from 60% MVIC.
Aming to find out any relationship between the health status of high school girls and the early loss of their parent, the Cornell Medical Index (C.M.I) Questionnaire and interview method were used for 314 girls as an experimental group and for 300girls as a control group. The study results showed as follows: 1. A significant difference in the health status between the experimental group and the control group was found in that the C.M.I. score showed higher in the experimental group than in the control group. 2. A significant difference in the health status was found in accordance with the sex of the lost parent, the cause of loss of the substitute for the lost parent, the age of losing parent and the duration of loss of parent in the experimental group. 3. A significant difference in the health status in the experimental group showed according to the three variables in the six variables-the sex of the lost parent, the cause of loss of parent, the substitute for the lost parent, the age of losing parent, the duration of loss of parent and the degree of economic support. The most significant factor toward the health status was shown by the age of losing parent, the sex of lost parent and the cause of loss of parent with the order.
The purpose of this study was to investigate the clothing consumption pattern and satisfaction of the university students. 509 subjects were surveyed during the period of 2002, for statistical analysis, t-test, ANOVA(LSD), X²-test were used by SPSSWIN program. The results of this study were following; Number of clothing showed significant difference according to sex, income, and major Female students had more clothes than male students, but female student was not satisfied with thier number of clothing. University students spend the money below one hundred thousandwon on the purchase of clothing and they depend upon their parents for the cost. Their resources of fashion information are display of shop. Clothing consumption pattern showed significant difference according to sex and female students purchased on sale more frequently than male students. The needs of university students for formal wear was high. The reason for not wearing the clothes they have showed significant difference according sex, male students din't wear their clothes for ragging or unsuitableness of size but female students din't wear because thier clothes were old fashion or they lose interests in thier clothes. The tendency to have ethetic, easycare and high quality clothing of female student was stronger than that of male students. It is necessory business develop high quality formal wear at a low price, made in practical textiles and activative designed skirts for university students.
This study was designed to observe the nutritional knowledge, dietary life, and health condition in the middle school students. The subjects of this study were sampled out from co-ed middle schools in Seoul. The results of this study are summarized as follows: 1. The subjects take breakfast everyday by 50.4%, and their lunch depends very largely upon a lunch box by 95.2%. They take supper every evening by 79.0%. 2. The nutritional knowledge of subjects exhibits a significant difference by sex and region 3. The physical health condition of students exhibits a significant difference by sex and grade. 4. The mental health condition of students also exhibits a significant difference by sex, grade, and region. The school is required to endeavour for the student to have a correct understanding of nutritional knowledge form good dietary life. The government also should exert incessant efforts for school meal supply for their balanced nutrition.
The purpose of this study was to find the general trends of college students'dating violence and coping behavior, to examine the difference among dating violence and coping behavior according to individual variables and relational variables, and to analyze the effects of these variables influencing coping behavior. The major findings were as follow; First, 99.1% of respondents reported that they had experienced violence at least once. The score of violence offense and violence victimization was lower than median. But male students' sexual violence was significantly higher than females'. Second, total score of coping behavior was lower than median. The score of female students positive coping was significantly higher than males, and that of mate students' avoidance coping was significantly higher than females. Third, the violence style varied with sex, altitude toward violence, anti-communication, and conflict. etc. Fourth, the positive coping behavior varied with victim response and victimization of physical violence. etc. The avoidance coping behavior varied with sex, age, grade, sex-role attitude, and partner's sexual violence. etc. ruth, the positive coping behavior was influenced by sex, partner's psychological violence, conflict, anti-communication. etc. The avoidance coping behavior was influenced by sex and grade.
This study investigated if and how work-family conflict and sex-role identity influence married female teachers' job involvement. The results of this study follow. First, married female teachers in the high work-family conflict group showed lower job involvement than that of those in the low work-family conflict group. The mean difference of job involvement between the high and low work-family conflict groups was not statistically significant. Second, the married female teachers with an Androgynous sex-role identity showed higher job involvement than those with a Feminine sex-role identity. Finally, the job involvement of Androgynous married female teachers was damaged less under high work-family conflict situations than that of Feminine married female teachers. These results imply that to increase married female teachers' job involvement, the improvement of physical/environmental conditions and psychological changes for women are necessary.
To obtain information about knowledge and attitude toward sex, sexural experience and need of sex education, a questionnaire survey was conducted on 599 students who were attended in 2nd grade of 2 girls' high schools(A group: 190 girls), 2 vocational girls' high schools(B group: 205 girls), and 2 special girls' high school attached to industrial company(C group: 204 girls) in Taegu city between 20th and 25th April 1992. Mean score of knowledge toward sex of the total was 9.3. Mean score of A group was higher than that of Band C groups. Among the total students, vocational high school girls were the highest affirmative attitude towards the acquaintance and relationship with the other sex, and the next was special high school girls. Students of B group assumed the highest negative attitude towards artificial abortion, and the lowest was A group. Among the respondent girls, 31.1% did not experienced in the acquaintance and relationship with the other sex and 86 girls(14.4%) had experience with sexual affairs. Most of girls(96.9% of A group, 90.4% of B group and 86.8% of C group) agreed to necessity of sex education, and answered that current education on sex was insufficient to them(80.6% of A group, 82.6% of B group and 62.4% of C group). Among what the surveyed girls wanted to know about knowledge towards sex, they showed the highest interest on the acquaintance and relationship with the other sex(A group: 44.7%, B group: 45.4%, C group: 56.4%). And they showed the second highest interest on pregnancy and delivery(A group: 33.2%, B group: 32.6% , C group: 26.5%). There was no unique difference among each surveying item. Most of the students(A group: 46.8%, B group: 40.1%, C group: 36.3%) thought it better that the time they wanted to get education on sex in 5th or 6th grade of elementary schools and to have a regular curriculum on sex education.
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