• Title/Summary/Keyword: chi square statistics

검색결과 639건 처리시간 0.029초

Comparative Analysis of Behavior of Reducing Exposure to Endocrine Disrupting Chemicals between Mothers of Children with Precocious Puberty and Typically Developing Children (성조숙증 아동 어머니와 정상발달 아동 어머니의 내분비계 장애물질 노출저감화행동 비교)

  • Min, Jung A;Jun, Eun-Young
    • Journal of Home Health Care Nursing
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    • 제31권1호
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    • pp.30-43
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    • 2024
  • Purpose: This study aimed to enhance health management and prevention strategies for precocious puberty by comparing the knowledge, motivation, and behaviors related to reducing exposure to endocrine disrupting chemicals (EDCs) between mothers of children with precocious puberty and those of typically developing children. Methods: Participants were 66 mothers of children with precocious puberty from a hospital and 71 mothers of typically developing children from an elementary school. The research questionnaire assessed knowledge of EDCs, motivation, self-efficacy, and behaviors towards reduced exposure to EDCs, in addition to general characteristics of children with precocious puberty. Data analysis utilized descriptive statistics, chi-square tests, t-tests, ANOVA, and Pearson's correlation. Results: There were statistically significant differences in self-efficacy (p=.015) and behavior (p=.001) regarding reduced exposure to EDCs between the two groups. Behaviors toward reduced exposure to EDCs were positively associated with knowledge of EDCs, motivation, and self-efficacy among mothers of children with precocious puberty. Additionally, these behaviors correlated positively with knowledge of EDCs, motivation, self-efficacy, and the child's birth weight and waist circumference among mothers of typically developing children. Conclusion: The results of this study revealed that mothers of children with precocious puberty exhibited less proactive behavior in reducing exposure to EDCs compared to mothers of typical children. Therefore, it is important to foster interest in the impact of environmental factors, beyond characteristic factors, on behaviors aimed at reducing exposure to EDCs.

Analyzing Co-Occurrence of Non-Suicidal Self-Injury With Suicidal Ideation and Related Factors Among Adolescents in Jeju Island

  • Duk-Soo Moon;Un-Sun Chung;Young Sook Kwack;Bung-Nyun Kim;Na Ri Kang
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • 제35권2호
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    • pp.119-126
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    • 2024
  • Objectives: Non-suicidal self-injury (NSSI) and suicidal behavior, including suicidal ideation (SI) and suicide attempts, are important predictors of suicide in adolescents. This study aimed to investigate the associations between NSSI, SI, NSSI+SI, mental health problems, and family factors in Korean adolescents in Jeju Island, with an emphasis on key findings. Methods: A total of 561 adolescents completed self-report questionnaires regarding demographics, NSSI, SI, suicidal behavior, perceived family functioning, and mental health problems, which were assessed using Center for Epidemiological Studies Depression Scale for Children, Screen for Children Anxiety-Related Disorders (SCARED), and Youth Self-Report (YSR). Data were analyzed using descriptive statistics, one-way analysis of variance, chi-square test, post-hoc analyses, and multivariate logistic regression. Results: In this study, 22.3% of adolescents reported either NSSI or SI, with 5.5% reporting NSSI and 20.7% reporting SI. Combined (NSSI+SI) group showed a significantly higher SCARED score, anxiety/depression, thought problems, attention problem, and rule breaking on YSR than did the SI only group. Higher level of depression and anxiety were significantly associated with NSSI and SI. Female sex and perceived family dissatisfaction were significantly associated factors for SI, but not for NSSI in multivariate logistic regression. Conclusion: This study provides insights into the clinical characteristics and associated factors among adolescents with NSSI, SI, and NSSI+SI in Jeju Island. Identifying these results can inform the development of targeted prevention and intervention strategies to mitigate the negative consequences of these behaviors and contribute to a better understanding of the role of family in this context.

The Dietary Habits and Perception of Vegetable Intake of Elementary Students in Gwangju and Jeonnam (광주·전남 일부지역 초등학생의 채소류 섭취에 대한 인식)

  • Go, Young-Sook;Jeon, Eun-Raye;Jung, Lan-Hee
    • Journal of the Korean Society of Food Science and Nutrition
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    • 제42권2호
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    • pp.223-233
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    • 2013
  • The purpose of this study was to analyze the dietary habits and perception of vegetable intake of elementary students in Gwangju and Jeonnam Gokseong county. Data collection was conducted from 5th and 6th grade students of elementary schools in Gwangju and Jeonnam Gokseong county using a structured questionnaire survey. The SPSS program was used for statistics processing and data analysis. The chi-square test was also conducted. In terms of dietary intake habits, female students consumed their meals slower than male students. Information on dietary habits and nutrition was commonly obtained from family, including the mother or father who commonly prepared meals at home. Snacks were commonly consumed less than twice daily, with the Gwangju area having a higher frequency of snacks than the Jeonnam area. Elementary students indicated that vegetables were their least favorite food, with female students having a higher interest in vegetables than male students. The pattern and perception of vegetable intake came when the students (that did not eat vegetables) were lectured by their parents on the nutritive value of vegetables. Most students understood the important nutritional ingredients of vegetables. In the case of an interest in vegetables, the Gwangju area showed significantly more comprehension than the Jeonnam area on the definition and role of dietary fiber, the dental benefits of dietary fiber, and the identification of the environment-friendly certification mark.

The Relationship between HbA1c Control and Diabetes Self-care Knowledge, Competence, Behavior and Quality of Life on Diabetes elderly (노인 당뇨환자에서 당뇨 자가관리 지식, 자신감, 행위 및 삶의 질과 당화혈색소 조절의 관련성)

  • Lee, Song-heun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • 제18권11호
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    • pp.357-366
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    • 2017
  • This study was conducted to identify the diabetes self-care (DSM) knowledge, DSM competence, DSM behavior, and quality of life according to HbA1c control in diabetic elderly. The participants were 205 diabetes elderly who visited the citizen health promotion center located in D city, Korea. Data were collected from April, 4 to August 31 2015, and were analyzed by the t-test and chi-squared test using IBM SPSS 23.0. The mean scores of DSM knowledge, DSM competence, DSM behavior and quality of life were $50.61{\pm}16.39$, $71.27{\pm}10.21$, $62.78{\pm}1.29$ and $0.86{\pm}0.11$, respectively. Additionally, DSM behavior (t=2.17, p=0.031), education level (t=11.80, p=0.0019) l, BMI (t=0.001, p=0.012), and number of visits to citizen health center (t=16.497, p=0.001) differed significantly between the controlled HbA1c group and uncontrolled HbA1C group. However, ANCOVA revealed that the level of HbA1c did not affect the DSM behaviors. Therefore, it is necessary to develop and apply a DSM education program that reflects the characteristics knowledge level of the elderly. In addition, healthcare institutions with high accessibility in terms of distance and cost to guide and manage desirable diabetic self-care behaviors should be provided everywhere.

OVI EMISSION LINE DETECTION LIMIT OF FAR-ULTAVIOLET IMAGING SPECTROGRAPH (과학위성 1호 탑재체 원자외선 분광기의 OVI 방출선 검출 한계)

  • 선광일;유광선;육인수;박장현;남욱원;한원용;선종호;민경옥
    • Journal of Astronomy and Space Sciences
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    • 제17권1호
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    • pp.77-86
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    • 2000
  • There have been a few attempts to measure diffuse line emission between 900 $\AA$ and 1200 $\AA$, and only in a limited number of sight lines has it been detected. The main contributions to the equilibrium radiative cooling curve between $10^{4.5}K\;to\;10^6K$ are from the doublet of Ovi ${lambda}{lambda}1032;and;{lambda}{lambda}1038$ in the FUV spectral region. There are several bright airglow lines which could interfere with attempts to observe the OVI lines. The nearest lines HI 1025 $\AA$, OI 1027 $\AA$ have a combined intensity of about $10^{5.5}$ photons/s/$cm^2$/sr. In the present study, the detectability simulation of OVI doublet is performed using a Monte-Carlo technique and chi-square statistics. The analysis results are compared with the previous observations and with the predictions of several interstellar medium models, and are used to limit manufacturing and alignment errors of FIMS optical system.

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Effects of the Peer Relationship Promotion Convergence Program on Self-esteem and Sociality of Children Using a Rural Community Child Center (또래관계증진 융합프로그램이 농촌 지역아동센터 이용 아동의 자아존중감 및 사회성에 미치는 효과)

  • Kim, Sun-Hee;Gang, Moon-Hee
    • Journal of Digital Convergence
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    • 제16권4호
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    • pp.167-173
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    • 2018
  • The aim of the study is to examine the effects of the peer relationship promotion convergence program on self-esteem and sociality of children using a community child center. A nonequivalent control group pre-post design was used. Participants were 52 children (experimental group=26, control group=26), 4-6th grade in elementary school from 5 rural community child center. The experimental group participated in 12 sessions of the program for 50 min, once a week. The data were analyzed with descriptive statistics, a chi-square test, and an independent t-test using SPSS WIN 21.0 program. After completion of the program, the experimental group showed a significant improvement in self-esteem(t=2.43, p=.018) and sociality (t=2.03, p=.047) compared to the control group. The result shows that the program is beneficial for improving self-esteem and sociality of low-income, school-age children. Therefore, the program is recommended the intervention for improvement of self-concept and sociality of children.

Analysis of Inter-Species Association and Covariation in a Natural Deciduous Forest (천연활엽수림(天然闊葉樹林)에서의 수종간(樹種間) 상관관계(相關關係)와 공변이관계(共變異關係)의 분석(分析))

  • Kim, Ji Hong;Kuen, Kee Hyun
    • Journal of Korean Society of Forest Science
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    • 제80권4호
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    • pp.360-368
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    • 1991
  • Utilizing chi-square test statistics, inter-species association and covariation were analyzed for the 37 woody plant species in a deciduous forest dominated by Quercus mongolica and Q. variabilis. within 50 temporarily established $20m{\times}20m$ square quadrats, the association for each pair of species was presented based on the presence-absence parameters. Acer palmatum had significant positive association with Acer mono and Kalopanax pictus, but negative association with Pinus densiflora. Other positively associated species pairs were Prunus sargentii-Macckia amurensis, Quercus serrata-Kalopanax pictus, Symplocos chinensis var. pilosa-Euonymus oxyphyllus, and Ulmus davidiana var. japonica-Lindera obtusiloba. The covariation far each pair of species was evaluated based on the quantitative measures, density and basal area. Overall results showed that the association and covariation values among species generally agreed with each other. Because covariation was calculated by density and basal area of the tallied species in the sample plots, the number of species pairs of covariation tended to be greater than those of association. Especially, Pinus densiflora, considered to be pioneer species in the successional stage, had negative covariation with most of climax species. These ecological information could be applied to silvicultural practices, such as ecosystem classification, establishment of mixed hardwood forest, and tending operations for marking crop trees and desirable species.

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A Study on the Oral Health Behavior of High School Students in Jeolla-bukdo (전북지역 일부 고등학생의 구강보건형태에 관한 연구)

  • Yu, Mi-Sun;Goo, Kyong-Mi;Kim, Jeong-Suk
    • Journal of dental hygiene science
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    • 제9권2호
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    • pp.225-230
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    • 2009
  • This study executed questionnaire 388 high school boy students in Jeolla-bukdo Namwon from June 9, 2008 to 20th prepares basic data about boy student's oral health behavior, and examines closely the connection factor and plans oral health promotion. Questionnaire distributed getting classroom teacher's cooperation and reclaimed through classroom teacher after make questionnaire by students. The collected data executed Chi-square test and descriptive statistics using SPSS program and the result is as following. 1. Response that responded that students of 61.1% are 2 times in toothbrushing number of times on 1 day, and appeared by thing which 69.1% does toothbrushing most much after way in the morning, and cleans up and down by toothbrushing method was the most by 36.6%. A student of only 8.5% was using auxiliary oral hygiene devices. 2. The oral medical examination and treatment engine use experience rate was 93.6%, and students of 82.9% do treatment as reason by last oral medical examination and treatment use purpose and did coming to help. The 1 year within use experience rate was 47.7%, and students of 77.1% were satisfied for medical examination and treatment. 3. Toothbrushing frequency of smoked students appeared low compared to students woo do not smoke, and students, who do drinking, was expose toothbrushing number by 3 limes compared to students who do not. 4. The activity limitation experience rate by oral disease was 16.0%, and the year absence experience rate was 5.2%, and the studies achievement hindrance experience rate appeared by 13. 1%. As a result, is considered to strengthen on-time oral medical examination and oral health education, and need prevention and policy of early treatment putting first.

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Diet intervention to improve cardiovascular risk factors among Iranian postmenopausal women

  • Abedi, Parvin;Lee, Mary Huang-Soo;Kandiah, Mirnalini;Yassin, Zaitun;Shojaeezade, Davood;Hosseini, Mostafa;MSc, Reza Malihi
    • Nutrition Research and Practice
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    • 제4권6호
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    • pp.522-527
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    • 2010
  • Cardiovascular disease is a leading cause of death and disability and remains so in the future. The aim of this study was to detect the impact of a 6-month diet intervention on cardiovascular risk factors in postmenopausal Iranian women. It was a randomized controlled trial that carried out in the East Health Clinic in Ahvaz-Iran. This study started on June 2007 and was completed on May 2008. A total 64 healthy postmenopausal women recruited and randomly assigned to the intervention group (35) and control (29). Over the six months follow-up, the intervention group received five educational sessions (two face to face and three lecture discussion classes with slide demonstration) at the first month. These sessions were about menopause, cardiovascular disease and healthy diet. Every participant in the intervention group received one face to face education session at the $3^{rd}$ month, and also received a telephone call at the end of each month starting with the second month to remain on the diet. Pre-intervention and post-intervention anthropometric measurements, blood pressure, blood lipids and dietary intake were assessed. Data analyzed using the SPSS version 15. Descriptive (means and SD), univariate (paired-t test, Chi-Square and Independent T-test) and multivariate (GLM Repeated Measure) statistics were used. Participants in the diet group had significantly lower weight (-0.9 kg), body mass index (-0.4 $kg/m^2$), and fasting blood sugar (-4.5 mg/dl). The diet group significantly increased their daily intake of fiber (+2.3 g, P=0.05), decreased their intake of sodium (-28 mg, P=0.04), and consumption of fruit and vegetable ${\geq}$ 5 serving a day (80%, P=0.03) compared to the control group. Post menopausal women are at a greater risk for cardiovascular disease. Healthy diet using educational intervention can be an effective means of reducing cardiovascular risk in postmenopausal women.

A study on Career identity, Satisfaction in major, and Adjustment to college life for students of Department of Food and Nutrition at a University (일 대학 식품영양학과 학생의 진로정체감, 전공만족도 및 대학생활적응에 관한 연구)

  • Lee, Songmi;Cho, Jihyun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • 제16권10호
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    • pp.6698-6707
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    • 2015
  • The purpose of this study is to investigate relationships among career identity, satisfaction in major, and adjustment to college life for students who major in food and nutrition that is complex and has diversity of carrier and to serve as a guideline for career counselling and college life. After reliability and validity of the data collected were verified using IBM SPSS Statistics 22, difference in variables according to characteristics of students was examined using independent t-test, ANOVA, and chi-square test. The results showed that there was a positive correlation among career identity, satisfaction in major, and adjustment to college life and students who had prior knowledge of their major showed a higher level of career identity, satisfaction in major and adjustment to college life compared to those who did not. Therefore, it is suggested that guidance on Department of Food and Nutrition should be provided to students before they decide on their major for their increased satisfaction in major, smooth adjustment to college life, and career decision. With this data, we recognize the gravity of psychological factor and carrer consciousness may provide base data to practical use of student life and carrer guidance.