• 제목/요약/키워드: negative correlation

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우리나라 서남해안 간척지 및 간석지 토양의 화학적 특성 (II) - 인의 형태별 함량 분포 - (Chemical Properties in the Soils of Reclaimed and Natural Tidelands of Southwest Coastal Area of Korea (II) - Distribution of Phosphorus Fractions -)

  • 조재영;구자웅;손재권
    • 한국농공학회논문집
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    • 제48권2호
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    • pp.3-9
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    • 2006
  • The chemical fractions of phosphorus were investigated in the soils of reclaimed and natural tidelands of southwest coastal area of Korea. The content of total-P varied to ranged from 322 to 614 mg/kg dry weight with a mean value of 467 mg/kg. The order of different fractions of phosphorus in reclaimed tideland soils was as follows: 1) inorganic phosphorus: Ca-P > Fe-P > Al-P > reductant soluble Fe-P. 2) organic phosphorus: Inositol-P > nucleic acid-P > phospholipid-P. The content of Al-P showed negative correlation with organic matter content but showed positive correlation with pH. The content of Fe-P showed negative correlation with clay mineral content but showed positive correlation with organic matter content. Reductant soluble Fe-P and Ca-P were no correlation with soil properties. The content of inositol-P showed highly positive correlation with clay mineral, organic matter content, and CEC.

머리전방자세에 따른 상체의 생체역학적 상관분석 (The Biomechanical Correlation Analysis of Upper Body according to Forward Head Posture)

  • 정연우;공원태;권혁수
    • 대한정형도수물리치료학회지
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    • 제19권2호
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    • pp.1-9
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    • 2013
  • Background: The purpose of this study is to analysis of correlation upper body according to forward head posture. Methods: The subjects of this study were 40 female university students who were equally and randomly allocated to a forward head posture group, normal group. Using general posture system, electromyograph, visual analogue scale, tape measurement, neck disability index were evaluated. Results: There was positive correlation between posture analysis and Sternocleidomastoid, neck flexion (p<.05). There was positive correlation between Craniovertebral angle (CVA) and trapezius upper, VAS (p<.05). There was negative correlation between posture analysis and CVA (p<.05). There was negative correlation between Cranial rotation angle and CVA (p<.05). Conclusion: Increased forward head posture lead to increase of pain, muscles activity, so it suggests to be necessary on the prevention of dysfunction and limited activities daily living.

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대학생의 양성평등의식에 영향을 미치는 요인 -사회복지학 전공 대학생 대상으로- (Factors Affecting Gender Equality Consciousness of University Students -The Graduates of Social Welfare-)

  • 윤숙자;변은경
    • 수산해양교육연구
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    • 제29권1호
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    • pp.90-100
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    • 2017
  • This study seeks to identify factors influencing the gender equality consciousness of university students and provide data to increase gender equality consciousness for university students based on the results. The subjects of university students in D and G city at the time, data collection was from April 1, 2016 to April 14, 189 questionnaires were used in the final analysis. The collected data using SPSS/WIN 20.0 program percentages, means and standard deviations, t-test, ANOVA, post verification was analyzed by scheffe's test, correlation between variables affect the Pearson's correlation coefficient, gender equality consciousness used a multiple regression analysis. In results of the study, gender equality consciousness appeared as $3.23{\pm}0.48$ points. Gender equality consciousness were a negative correlation with gender role stereotypes(r=-.711, p<.001) and a positive correlation with self-esteem correlation(r=.186, p=.011) and showed a negative correlation with control (r=-383, p<.001). Factors affecting gender equality in research subjects appeared to be gender role stereotypes and control, explanatory power was found to be 50.1%. Through this research requires the fellow study to determine the various factors affecting the gender equality consciousness of university students, it is necessary to improve the gender equality consciousness.

아토피피부염의 중증도와 심박변이도의 상관성 연구 (The Correlation between Atopic Dermatitis Severity and Heart Rate Variability)

  • 유승민;유승연;김민희;윤영희;최인화
    • 한방안이비인후피부과학회지
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    • 제24권3호
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    • pp.65-73
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    • 2011
  • Background : There are findings indicating that the autonomic nervous system (ANS) is affected negatively in atopic dermatitis (AD). Heart rate variability (HRV) is a tool to examine ANS. But, studies investigation the relationship between AD and HRV is rare. Objective : The aim of this study was to investigate the correlation between atopic dermatitis severity and HRV and to find out the role of ANS in AD. Methods : Retrospective chart review was performed. The Severity Scoring Atopic Dermatitis (SCORAD) index and HRV parameter was investigated and analyzed. Results : There were 55 patients (25males and 30 females) who met the criteria. Objective SCORAD had significant positive correlation with HRT and Subjective SCORAD had significant negative correlation with SDNN, TP and VLF. Intensity item of SCORAD index had negative correlation with most HRV parameters, but TP, LF and LF/HF ratio had significant positive correlation with dryness. Conclusion : This study supports the concept that atopic dermatitis is a stress-responsive disorder and involves autonomic nervous system dysfunction.

수분함량, 상대습도 및 pH가 냉장 우육의 색도 및 색소에 미치는 영향 (Effect of Moisture, Relative Humidity and pH on Color and Pigments of Cold Storage Beef Meat)

  • 정인철;문귀임;김기영;김미숙;이교연;강세주
    • 한국식품영양학회지
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    • 제11권2호
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    • pp.221-227
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    • 1998
  • 본 연구는 냉장우육의 수분함량, 상대습도, pH, 색도 및 색소의 상관관계를 검토하였다. 등심과 사태의 표면 및 내부의 수분함량과 상대습도는 저장 중 일률적인 변화를 보이지 않았고, pH는 저장기간에 따라 높아지는 경향이었다. L값은 저장말기로 갈수록 높아졌고, b값은 표면이 내부보다 낮았다. 등심과 사태의 표면 및 내부에 공통적으로 myoglobin과 metmyoglobin이 음의 상관관계가 있고, 사태의 표면과 내부는 myoglobin과 L값이 양의 상관관계에 있으며, Myoglobin과 oxymyoglobin이 음의 상관관계가 있었다. 그러나 수분함량, 상대습도 및 pH는 색의 변화와 일률적인 상관관계는 없었다.

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대구 및 도서지방 주부의인스턴트 식품에 대한 인식 및 소비에 관한 연구 -대구, 울릉도, 한산도 지역을 중심으로- (A Study on Image and Consumption abut Instant Food of Homemakers in Ullungdo, Hansando, and Daegu)

  • 박영숙
    • 동아시아식생활학회지
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    • 제4권1호
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    • pp.37-47
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    • 1994
  • A survey on images and consumption for Instant food for 450 homemakers in Ullungdo, Hansando and Daegu area were summarized as follows. 1) The tought of Homemakers food took 'easy to cook' and 'save time' as the best advantage in the image on instant food, while 'tasty' as the lowest one. It appeared that characteristic variables as household income, homemaker's education, homemaker's age, and area had influence on the image about instant food. 2) Processed food(ham, sausage)was purchased the most, while fermented food(kimchi, gochuchang) was purchased the least. It appeared that characteristics variables as household income, homemaker's education and homemaker's age had influence on the purchasing degree of instant food. 3) There were positive correlation coefficient between homemaker's image on instant food and household income(0.247) and area(0.211). There were negative correlation coefficient between homemaker's image on instant food and homemaker's age(-0.171). 4) Homemaker's purchasing degree about instant food had positive correlation coefficient with homemaker's image on instant food(0.389), household income(0.247) and area(0.211)and had negative correlation coefficient with homemaker's age(-0.190). 5) Fat intake had positive correlation coefficient with homemaker's purchasing degree(0.281) and homemaker's image(0.144) on instant food. Energy intake had positive correlation coefficient with homemaker's purchasing degree(0.206) and homemaker's image(0.138) on instant food.

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응급구조(학)과 학생의 스트레스, 우울, 대처방법 및 임상실습 만족도 (Stress, depression, coping styles and satisfaction of clinical practice in EMT-paramedic students)

  • 고봉연;이정은
    • 한국응급구조학회지
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    • 제16권3호
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    • pp.77-89
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    • 2012
  • Purpose : The purpose of the study was to investigate the relationship between stress, depression, coping styles, and satisfaction of clinical practice in paramedic students. Methods : The study was conducted to 221 paramedic students who have experienced clinical training from March until June in 2012. Questionnaires consisted of level of stress, depression, coping styles, and satisfaction of clinical practice. The data were analyzed using descriptive statistics, t-test, ANOVA, and Pearson's correlation coefficient. Results : The mean score of stress was $2.69({\pm}.69)$, depression was $19.09({\pm}9.41)$, coping styles was $3.17({\pm}.47)$, and satisfaction of clinical practice was $3.61({\pm}.58)$. Stress had a significant positive correlation with depression and a negative correlation with active coping and satisfaction of clinical practice. Depression had a significant positive correlation with passive coping and a negative correlation with satisfaction of clinical practice. Active coping had a significant positive correlation with passive coping and satisfaction of clinical practice. Conclusion : There was a positive effect on decreasing stress and depression in paramedic students, and encouraging positive coping when the students received counseling and instruction for clinical practice.

Analysis of the Correlation between Activity of the Suprahyoid Muscles, Infrahyoid Muscles and the New VFSS Scale in Stroke Patients with Dysphagia

  • Lee, Hyun-Jin;Kim, Kyoung-Don
    • 대한물리의학회지
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    • 제13권4호
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    • pp.19-25
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    • 2018
  • PURPOSE: This study was conducted to investigate the correlation between the activity of suprahyoid muscles, infrahyoid muscles and swallowing ability in stroke patients with dysphagia. METHODS: The subjects of this study were 120 patients who were diagnosed with CT or MRI stroke and had swallowing disorder at Daegu Metropolitan General Hospital from August 2014 to February 2017. The suprahyoid and infrahyoid muscle activity was measured in patients with dysphagia and the new videofluoroscopy swallowing studies scale (new VFSS scale) was used for evaluation of swallowing function. Correlation analysis was conducted using the measured data. RESULTS: The activities of suprahyoid muscles were 325.8 (%RVC) on average, while the average infrahyoid muscle activity was 302.65 (%RVC) and the average value of the new VFSS scale was 31.52. The total for oral organs was 3.62 on average and that for pharynx organs was 28.30 on average. The activity of the suprahyoid muscles showed a significant positive correlation with the activity of the infrahyoid muscles, but a significant negative correlation with the total oral phase, total pharyngeal phase and total new VFSS scale (p<.01). The activity of the infrahyoid muscles showed a significant negative correlation with the total oral phase, total pharyngeal phase, and total new VFSS (p<.01). CONCLUSION: Based on the results of this study, it is necessary for researchers to consider the infrahyoid and suprahyoid muscles when conducting swallowing rehabilitation.

A Study on Correlation between Premenstrual Syndrome and Nutrient Intake, Exercise Habit of Women

  • Hwang, Bye-Jin;Kwak, Yi-Sub
    • Preventive Nutrition and Food Science
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    • 제9권4호
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    • pp.383-388
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    • 2004
  • This study was designed to identify how the incidence and severity of premenstrual. syndrome (PMS) correlate with the nutrient intakes and exercise habit of women. The subjects of this study were 299 women residing in Busan metropolitan city. Each subject was asked to complete a menstrual discomfort questionnaire (MDQ) for PMS and nutrient intakes. PMS symptom scores of women in their twenties ranked in order of severity were: behavioral change (2.45), followed by pain (2.36) and water retention (2.28), negative effects (2.20), autonomic reaction (1.91), arousal (1.87), decreased concentration (1.76) and decreased control (1.74). For Women in their thirties, the symptom of pain was the most dominant (2.93) followed by autonomic reaction (2.69) and behavioral change (2.54), and for those in their forties, negative effect (3.06) was highest, followed by pain (2.97) and autonomic reaction (2.86). The overall symptoms of PMS significantly increased with age (20': 2.07 points, 30': 2.34 points, 40': 2.47 points). There was no correlation of the BMI of the subjects with the symptoms of PMS, but there was a significant negative correlation between the symptoms of PMS and exercise frequency for women in their thirties and forties. Subjects in their twenties exhibited a significant negative correlation for PMS symptoms with the intake of carbohydrate (p < 0.05), calcium (p < 0.05) and vitamin E (p < 0.05). For subjects in their thirties, PMS symptoms were negatively correlated with the intake of calcium (p < 0.05) and vitamin C (p < 0.05); and in women in their forties, calcium (p < 0.01) and carbohydrate (p < 0.05) intakes were negatively correlated with PMS symptoms. This suggests that PMS represents the clinical manifestation of a nutrient deficiency state, especially calcium. Therefore, we concluded that nutrient supplementation and exercise management are likely to be of benefit in relieving PMS symptoms.

경주 남산 소나무림의 가을철 해발고도별 음이온 발생지수 (Negative Ion Generation Index according to Altitude in the Autumn of Pine Forest in Gyeongju Namsan)

  • 김정호;윤지훈;이상훈;최원준;윤용한
    • 한국환경생태학회지
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    • 제32권4호
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    • pp.413-424
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    • 2018
  • 본 연구에서는 경주 남산을 대상으로 지형구조 및 해발고도가 음이온 발생량에 미치는 영향을 분석하였다. 분석결과, 기온은 능선부($9.82^{\circ}C$) > 계곡부($8.44^{\circ}C$), 상대습도는 계곡부(59.01%) > 능선부(58.64%), 풍속은 능선부(0.63m/s) > 계곡부(0.37m/s), 일사량은 능선부($34.40W/m^2$) > 계곡부($14.69W/m^2$)로 나타났다. 음이온의 경우 계곡부($636.81ea/cm^3$) > 능선부($580.04ea/cm^3$)로 계곡부가 더 높은 음이온 발생량을 보였다. 해발고도와의 상관성 분석 결과, 계곡부에서는 기온, 상대습도, 일사량, 음이온 발생량과의 상관성이 검증되었으며, 상대습도, 일사량, 음이온 발생량과는 정의 상관관계, 기온과 부의 상관관계가 나타났다. 능선부에서는 기온, 상대습도, 풍속, 일사량, 음이온 발생량과의 상관성이 검증되었으며, 상대습도, 일사량, 음이온 발생량과는 정의 상관관계, 기온, 풍속과는 부의 상관관계가 나타났다. 회귀분석 결과, 기온의 경우 계곡부는 y= -0.006x+9.663 (x=해발고도, y=기온), 능선부의 경우 y= -0.009x+11.595(x=해발고도, y=기온)의 예측식을 얻었다. 상대습도의 경우 계곡부는 y= 0.027x+53.561 (x=해발고도, y=상대습도), 능선부의 경우 y= 0.008x+56.646 (x=해발고도, y=상대습도)의 예측식을 얻었다. 음이온 발생량의 경우 계곡부는 y= 0.577x+521.508 (x=해발고도, y=음이온 발생량), 능선부의 경우 y= 0.605x+549.068 (x=해발고도, y=음이온 발생량)의 예측식을 얻었다.