This Study carried out for the purpose of basic data collection school teachers in Korea during September 2000 at Seoul, Kangwon province and JeonRaBuk province. 534 teachers among 600 school health teachers was analyzed by SPSS program. The major findings is as follows; 1. Mean score of Job-satisfaction is $25.52{\pm}4.46$ as 50 total point. Staff cooperation $2.96{\pm}.93$ is the highest score and promotion system $2.02{\pm}1.06$ is the lowest score as 5 total point by Job-satisfaction factor 2. Age-specific mean scores are $20.63{\pm}4.44$ at age of $20{\sim}29$, $25.77{\pm}4.15$ at age of $30{\sim}39$, $27.69{\pm}4.63$ at age of $40{\sim}49$ and $27.11{\pm}5.26$ at age of more than 50. 'Promotion', 'Health education', 'Cooperation of school physician', 'Allocation of professional' and 'Professional skill' are significantly different by age group. 3. Job-satisfaction of long period working teachers is higher than that of short workers, 'Salary system' and 'Professional skill' by factor are significantly different. 4. Job satisfaction by area is not significantly different, and 'Professional skill' as a factor of urban is higher than rural area. 5. Job-satisfaction by school level is not significantly different, and 'Health budget', 'Cooperation of school physician', 'Allocation of professional' and 'Professional skill' are significantly different by level of school. 6. Job-satisfaction of big size school is higher than that of small school and 'Health education' of big size school is high. 7. Job-satisfaction of low education is low score and 'Salary', 'Textbook for health education', 'Health facility' and 'Professional skill' are differnt. 8. 'Educational background', 'Size of school' and 'Level of school' are significantly affected to 'Salary system', this three varialbles explained 13.8% of the total. We can express job -satisfaction of 'Salary system' ; y=2.677-$.182X_6$(Education)+$.120X_5$(Size of school)+$.019X_4$(Level of school) 9. 'Age group', 'Working period' and 'Size of school' are affected to 'Cooperation of school physician', and three variables explain 13.2% of total. We can express job-satisfaction of 'Cooperation of school physician' ; y=2.644+$.247X_1$(Age)+$.179X_2$(Working period)-$.133X_5$(Size of school) 10. 'Working period', 'Education of teacher', and 'Working area' are affected professional skill, this three variables explain 13.5% of job-satisfaction of professional skill. We can express 'Professional skill' ; y=3.076+$.11X_2$(Working period)-$1.06X_6$(Education)-$.126X_3$(Working area). 11. 'Education', 'Age', 'Size of school' and 'Working period' are affected to total job-satisfaction, this four variables explain 14.2% of total satisfaction. We can express job-satisfaction of school health teacher; y=19.76-$.126X_6$(Education)+$.215X_1$(Age)+$.107X_5$(Size of school)+$.121X_2$(Working period).
The purpose of this study was to investigate children's conceptions about gender and the relation between gender conceptions and preference for gender related tasks. 130 children were interviewed about gender and gender related tasks. Data were analyzed with the component model of gender schema. Results indicated that children's gender schema in the attitudes domain was significantly different with age in all components but not different with sex. The gender schema in the knowledge domain was significantly different with age in within component and between component links, and with sex in the gender label-component and within component links. The difference between the gender inhibitory score and gender facilitative score was significantly different with age, sex, and children's gender schema. The findings that gender schema influenced the children's preferences for gender related tasks suggests a theoretical rationale of gender schema theory.
Amin Cai;Shiwei Wang;Pengtao Li;Zhaohui Yao;Gaiying Li
Animal Bioscience
/
제37권8호
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pp.1483-1494
/
2024
Objective: This study was conducted to investigate the effect of slaughter age on carcass traits, meat quality, and the relative mRNA levels of lipid metabolism-related genes in different muscles of Taihang black goats. Methods: In this study, the triceps brachii (TB), longissimus dorsi (LD) and gluteus (GL) muscles of 15 grazing Taihang black goats slaughtered at the age of 2, 3, and 4 (designated as 2-year-old, 3-year-old, and 4-year-old, respectively) were collected. The differences in carcass shape, meat quality, amino acid composition and lipid metabolism gene expression among Taihang black goats of different ages and from different plant parts were compared. Results: Compared with goats at other ages, goats slaughtered at the age of 4 had greater live and carcass weights, meat weights, bone weights and skin areas (p<0.05). LD in the 4-years-old had the lowest cooking loss and moisture content. The crude protein content in the LD of 2-year-old was significantly greater than that in the other age group, and at the age of 2, the LD had the highest crude protein content than TB and GL. The highest fat content was in LD, followed by TB, for goats slaughtered at the age of 4. Eight out of 9 essential amino acids had higher content in the TB compared with other muscles, regardless of age. The total essential amino acid content was highest in the 4-year-old and lowest in the GL muscle at the age of 3. The sterol regulatory element-binding protein-1c (SREBP-1c) and adipose triglyceride lipase (ATGL) genes were significantly more abundant in the TB muscle than in the other muscles for goats slaughtered at the age of 2. At the age of 4, the ATGL and peroxisome proliferator-activated receptor γ (PPARγ) genes were significantly more abundant in the GL than in the LD, while the fatty acid synthase (FAS) genes were significantly less abundant in the GL than in the other muscles. Similarly, compared with those in goats of other ages, the relative mRNA expression levels of the FAS and heart-type fatty acid binding protein (H-FABP) genes in goats slaughtered at the age of 4 were the highest, and the relative mRNA expression of the PPARγ gene was the lowest (p<0.05). The relative mRNA expression of the H-FABP and FAS genes was positively correlated with the intramuscular fat (IMF) content, while the relative mRNA expression levels of the PPARγ and ATGL genes was negatively correlated with the IMF content. Conclusion: Overall, a better nutritional value was obtained for TB from 4-year-old goats, in which the total essential amino acid and fat contents were greater than those of other muscles. The comprehensive action of lipid metabolism genes was consistent with that of the IMF content, among which the FAS, H-FABP, PPARγ, and ATGL genes had positive and negative effects on the process of IMF deposition in Taihang black goats.
The purpose of this study is to explain. It also examines and compares factors influencing life satisfaction among the middle-aged at various income levels. The data source for this study was the third additional wave and the fourth wave of the Korean Retirement and Income The study sample consisted of 1,723 middle-aged (age 50-64) individuals. The data analysis methods included the chi-square test, ANOVA, and multiple regression analysis. The results were as follows. First, there was a positive relationship between old age preparation and life satisfaction. Second, it was found that old age preparations (physical, emotional, social, financial) and life satisfaction show meaningful relationships among the income levels. Third, old age preparation was found to have different meaningful impacts on life satisfaction among the income levels. The results of this study verify the degree of the relationship between old age preparation and life satisfaction and the different impact factors relating to old age preparation for life satisfaction among the income levels.
The age related changes in the life cycle of the progenitor cell population of murine oral epithelia was studied. Using radioautographic methods which have been adopted in previous cell cycle studies, the age-related changes of different phases in renewing cells of the palatal, buccal and lingual mucosae were determined. The results confirm published findings on cell cycle changes of epithelia with aging and illustrated further that mitotic phase which has hither to been considered stationary, also changes with aging. The major parts revealed by this study are as follows: 1) The basal progenitor cells in different regions of oral mucosa have different generation times. 2) The basal cell cycle time increases as a function of aging and the region most affected by aging appears to be the epithelium of the cheek. 3) The phases of the cell cycle affected by the process of aging are in increasing order of magnitude: M-, S- and G₁-phase. 4) The age elated change in the number of DNA synthesizing basal progenitor cells occurs at two age periods. Between 1 and 12 months of life it decreases, while from 12 to 20 months it increases.
The purpose of this study was to investigate (1) the developmental level of children's concept of gender by age and sex. (2) children's sex-specific behaviors by age and sex, and (3) children's sex-specific behaviors by developmental level of gender constancy. The subjects were 164 children (forty 3-year-olds, forty-three 5-year-olds, forty 7-year-olds and forty-one 9-year olds) with nearly equal numbers of boys and girls. They were selected from two kindergartens and one elementary school. A quasi experiment was carried out with the procedures described by Slaby and Frey (1976) to measure children's developmental level of the concept of gender constancy. Two experiments were carried out to observe children's sex-specific behaviors: one for children's toy choice behavior and the other for children's interaction with their peers. Statistical methods adopted for data analysis were frequencies. percentiles, mean. and $X^2$. It was found that children's sex-specific behaviors were different according to their developmental level of gender constancy. Children's developmental level of gender constancy was significantly different according to their age, but there was no difference according to their sex. Children's toy-choice behavior was significantly different according to their age and sex. Children's sex-specific behaviors were significantly different according to their concept of gender constancy.
Purpose: To investigate the instrumental activities of daily living (IADL), leg muscle strength, cognitive and visual functions according to the participants' demographic characters and experiences of falling in Korean elder who are residents in the community. Method: Data were collected from 351 participants aged 65 or more, who were ambulatory, A structured questionnaire and several physical function measurements were used to collect the data which were analyzed using the SAS program. Results: The participants' IADL scores were significantly different according to their age, educational level and living situation. The leg muscle strength of the elders were significantly different according to gender and age, and were also related the risk of falling. Cognitive scores were significantly different according to gender, age, education level and marital status. Visual acuity and depth perception were significantly different according to age, education level, and marital status. Conclusion: Demographic variables and experience of falling were identified as variables related to IADL, leg muscle strength, cognitive and visual function of elders. Further study with a larger and nation-wide sample is needed to identify the variables related to the physical and cognitive functions of elders.
This study was purposed to introduce Korean Oro-motor Mechanism Screening Examination (KOMSE) and to provide the standardized scores taken from 120 normal adults aged $18{\sim}59$. KOMSE was composed of 13 items of structure, 17 items of function, 3 items of voice, and 14 items of regularity and accuracy of articulation during diadochokinesis. Additionally, maximum phonation time and diadochokinetic rates were measured. Total score of KOMSE is ranged from 0 to 200. It was significantly higher in the $50{\sim}59$ age group than in the $20{\sim}29$ age group, but was not significantly different in sex. MPT had a significant difference in sex, but no significant difference among different age groups. The rate of DDK was also had no significant difference among different age groups. However, some reducing trend in the rate of DDK was observed as age increased. KOMSE would be very helpful for SLPs to screen the abnormality of oro-motor mechanism.
The purpose of this study was to research grading work according to the targets of women's wear manufacturers in Korea. For the questionnaire, 91 women's wear brands, which were in higher ranking of sales, were selected, and the age groups were separated into 3: 20's, 30's, and 40's & 50's, according to their customers. The graders of each brand were questioned about 20 items for this research. The results of the questionnaire were as follows: 1 The brands for older women manufactured more sizes and cared more about somatotypes fur grading than other brands did. 2. For upper garments on the basis of bust girth, the numbers of dimensional increments were different depending on the age groups: 9 for 20's, 7 for 30's, and 7 for 40's & 50's. 3. For lower garments on the basis of hip girth, the numbers of dimensional increments were different depending on the age groups: 9 for 20's, 6 for 30's, and 5 for 40's & 50's. 4. As a model size of grading, many brands used the smallest size, but the brands for 40's & 50's also used the second size. 5. The parts needed to be corrected after grading were sleeve ease, armhole, shoulder line, neckline, crotch curve, etc. The grading with CAD system had more correction after grading than hand grading.
The purpose of this study was to examine the environmental characteristics of housing for the elderly preferred by different age groups. By age groups, the result of the study may be described as follows: 1. The young people and the middle aged wanted to live in self-contained unit, but the aged tended to live in the three-generation sharing house to spend their declining years in the future. 2. In the interior housing environment, all three age groups were highly interested in the security facilities than the interior space arrangements of planning of elderly housing. especially, the result of demand of the interior space arrangements in the young people was higher than the old age's. In the exterior housing environment, the garden si the most important space in establishing housing plan.
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