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There is a recognized need to improve inclusive learning environments for autistic children in primary school settings in Sweden. This study aimed to translate, cross-culturally adapt, and assess the content validity of the Swedish primary school version of the Autism Program Environment Scale (APERS), originally developed to evaluate autism program quality in educational settings in the United States. Following the translation into Swedish and the first cultural adaptation of the APERS, a content panel group of 14 professionals rated its content validity. Four of the content panel members also participated in individual interviews that provided a qualitative evaluation of the instrument's content validity. Finally, the authors piloted the APERS in 10 Swedish primary school classrooms to assess its feasibility. The ratings and qualitative information from the content panel members indicated a substantial need for the Swedish APERS in primary school, resulting in the culturally adapted APERS-Primary-Sweden (SE). The instrument demonstrated a high level of cross-cultural content validity for assessing the quality of the learning environment for students with autism in Swedish primary school settings. The pilot testing of the instrument resulted in further cultural adaptations. In conclusion, APERS-Primary-SE is a comprehensive scale that can be used to assess the quality of primary school learning environments for children with autism in Sweden. Further research is needed to evaluate the adapted instrument's effectiveness in improving the learning environment in Swedish primary school classrooms.

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In this study, we explored (i) the relationship between time perception and primary school students' academic performance and (ii) the mediating effect of their academic procrastination. We measured time perception in 321 students in primary grades 2, 4, and 6 in Shenyang, China. Students also completed the General Procrastination Acale, and we obtained measures of their academic performance during the semester from their teacher. Results indicated that time perception was significantly and positively correlated with academic performance (ß = 0.16, t = 3.18, p < .001), and time perception and academic procrastination were significantly negatively correlated (ß = -0.16, t = -2.92, p < .01); academic procrastination and academic performance were also significantly negatively correlated (ß = -0.27, t = -5.38, p < .001). Academic procrastination played a mediating role in the relationship between time perception and academic performance, with an indirect effect of 0.04 that accounted for 25.96% of the total academic performance effect. The bootstrap 95% CI was 0.01-0.08. These results may help teachers improve primary school students' academic performance and inspire parents and schools to cultivate students' accurate time perception and prevent academic procrastination in young learners.

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Schools have become increasingly important as health promotion settings, seeking to improve pupils' health and wellbeing through adopting a whole-school approach. A strong evidence-base highlights that focusing on the social, emotional and psychological aspects of pupils' wellbeing enables them to flourish, enjoy life and be better equipped to overcome challenges. However, it is acknowledged that further evidence is required regarding: (1) what happens in primary schools, (2) the impact of the English education system, (3) complexity and context, and (4) capturing children's voices. This article, therefore, addresses these gaps by asking the question: How do schools use whole-school wellbeing promotion to enable pupils to flourish? Taking an exploratory approach the study used a three-phase, mixed methods design to address the research problem by undertaking a systematic literature review, a secondary data analysis and a case study to capture multiple stakeholder voices including pupils. As appropriate for this research design, the findings from each phase were integrated into an overarching analysis which is presented in this article. Six broad principles formed consistent threads across the findings: (1) enabling children to flourish, (2) integrating wellbeing with key school goals, (3) promoting wellbeing and building capital, (4) building on virtuous cycles, (5) managing complexity and context, and (6) evaluating wellbeing promotion through listening to different voices. As well as presenting new knowledge addressing the identified research gaps, this study has demonstrated that schools can avoid 'reinventing the wheel' by adopting existing practices and resources and adapting them to their own setting. It is, therefore, hoped the six evidence-based principles of this study are equally transferable to schools within the English education system and more broadly. In addition, the paper highlights recognized challenges to staffing and resourcing and raises the question over whether schools receive sufficient funding to deliver the whole-school initiatives that government recommends. This article provides readers with an exploration of what has been achieved in schools and it is outside its scope to address specific issues about funding and other practical logistics for implementing whole-school wellbeing promotion, therefore further research is recommended.

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The development of a Digital Intelligence Quotient (DQ) scale for primary school students is the basis for research on the DQ of primary school students, which helps to scientifically diagnose the level and the current average DQ among Chinese primary school students. This study developed and validated a scale applicable to the assessment of DQ in Chinese primary school students where, the initial scale was first constructed; Then 1109 valid datasets were collected through purposive sampling and divided into Sample A and Sample B; Sample A was subjected to exploratory factor analysis and Sample B was tested by confirmatory factor analysis; The final validated scale consists of 22 items in 7 dimensions: digital identity, digital use, digital safety, digital security, digital emotional intelligence, digital literacy and digital rights. The scale has high reliability and validity and thus can be used as a reliable instrument for assessing DQ in Chinese primary school students.

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Although Opisthorchis viverrini (OV) is a neglected tropical disease, the International Agency for Research on Cancer (IARC) listed it as a human carcinogen 30 years ago. Cholangiocarcinoma (CCA) is the ultimate pathology outcome. However, it remains a significant public health problem in the Greater Mekong Subregion and Asia. Its widespread impact on human health requires urgent action using various strategies. This study aimed to investigate and prioritize the need for developing teaching and learning management of OV and CCA among primary school students in Thailand endemic areas. The samples consisted of 36 Grade 6 students. This study was conducted by using a needs questionnaire. Data were analyzed using Mean and Standard Deviation. The needs were prioritized using the Modified Priority Needs Index (PNI modified). The findings revealed a moderate overall need for teaching and learning management development. The area with the highest need was learning activity organization (PNI = 0.410), followed by audiovisual equipment (PNI = 0.276) and buildings (PNI = 0.265). The teaching content the students needed most included CCA prevention, risk factors, and disease symptoms (58.33%). Based on the findings, it is suggested that teachers design various learning activities and emphasize hands-on activities for students. Additionally, administrators should allocate budgets to improve buildings and audiovisual equipment, and relevant organizations should establish policies to promote learning on these issues in educational institutions. Essential lessons from this study can provide a starting point for executives and public health personnel worldwide to apply to develop educational strategies for cancer education and cancer prevention and control.

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BACKGROUND: Physical fitness is one of the most important health indicators in children. Although appropriate body composition or certain lifestyle factors such as frequent physical activity are thought to improve physical fitness, results of previous studies are inconsistent, and most studies were from Western countries. OBJECTIVES: We investigated associations of body composition and modifiable lifestyle factors such as physical activity, screen time, diet and sleep duration with physical fitness in Japanese primary school children. METHODS: 2308 children (age 10-12 years old) in 12 primary schools were analysed in this cross-sectional study. Physical fitness was evaluated by sports battery tests conducted routinely and annually at schools. The total score of sports battery tests, 20-m shuttle run (laps) and grip strength (kg) were selected as outcomes. Information about lifestyle factors was collected by two questionnaires. Associations between lifestyle factors and physical fitness were assessed by multivariable linear mixed models by sex. RESULTS: Frequent exercise was related to better overall physical fitness. Regarding the 20-m shuttle run, many unfavourable lifestyle factors such as higher BMI in boys (ß -7.37, 95% confidence interval [CI] -8.39, -6.35) and girls (ß -3.54, 95% CI -4.50, -2.58), longer screen time (ß -4.31, 95% CI -7.29, -1.34) in boys and girls (ß -5.65, 95% CI -9.01, -2.30); shortest (reference) versus longest, breakfast skipping in boys (ß -5.24, 95% CI -8.71, -1.77) and girls (ß -3.57, 95% CI -6.84, -0.30); consumers (reference) versus skippers were associated with worse performance. Better quality of diet was associated with better results in the 20-m shuttle run only in girls (ß 2.58, 95% CI 0.24, 4.93); lowest (reference) versus highest. CONCLUSIONS: Frequent exercise was related to better physical fitness. Higher BMI and unfavourable lifestyle factors such as longer screen time and breakfast skipping were associated with worse results of the 20-m shuttle run.

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Purpose: Growth mindset and self-control, both recognized as pivotal qualities with significant impacts on personal success, possess respective robust predictive power for academic achievement and broader life outcomes. However, the bidirectional relationship between them remains largely unexplored. This study aims to investigate whether growth mindset, conceptualized as the belief that abilities can be developed through effort and support, prospectively predicts the development of self-control over time. Additionally, it endeavors to explore whether self-control, a crucial positive psychological trait, exerts an influence on the fostering of growth mindset. In summary, our research focuses on elucidating the bidirectional relationship between growth mindset and self-control among Chinese primary school students. Participants and Methods: The current research recruited a sample of 428 primary school students, aged 9-12, from China (214 females, mean age = 9.64 ± 1.21) to participate in a longitudinal study. Participants underwent two follow-up assessments of growth mindset and self-control over a six-month period. Results: The correlation analysis revealed significant associations between growth mindset at T1 and self-control at T2, as well as between self-control at T1 and growth mindset at T2(r = 0.23 to 0.25, ps < 0.01). Cross-lagged analysis found that growth mindset at T1 positively predicted self-control at T2 (ß = 0.11, p = 0.04), while self-control at T1 did not significantly predict growth mindset at T2. Conclusion: The results suggest that growth mindset exerts a direct impact on self-control among primary school students. This finding extends the scope of research concerning growth mindset and provides important theoretical inspiration and practical guidance for educators, parents and counselling professionals in assisting students to enhance self-control.

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Environmental factors have a clear effect on children's motor development and can be manipulated; while biological factors are also powerfully influential, they are more resistant to intervention. Especially in restrictive environments (e.g., the recent pandemic-related shutdown), there can be increased importance to simple, fun, at-home, indoor programs. In this study, we investigated the effects on motor skill development of a movement education program based on the Orff approach, which has long been used in music education. This was an experimental research design involving 78 children, aged 6-7 years old, in two groups (Control Group, n = 39; Experimental Group, n = 39). We used a simple randomization method to determine the groups. We measured the children's skill levels with the Test of Gross Motor Development-2 (TGMD-2), and we analyzed data using 2 × 2 repeated-measures analyses of variance (ANOVA). Our results revealed significantly greater improvement in the children's scores on object control (p < .001), locomotor skills (p < .001), and total TGMD-2 (p < .001) in the experimental group than in the control group. Thus, programs designed with music and rhythm can help ensure that children have fun and are better motivated to participate in activities that have a positive effect on their motor skills.

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Design-based STEM learning is believed to be an effective cross-disciplinary strategy for promoting children's cognitive development. Yet, its impact on executive functions, particularly for disadvantaged children, still need to be explored. This study investigated the effects of short-term intensive design-based STEM learning on executive function among left-behind children. Sixty-one Grade 4 students from a school dedicated to the left-behind children in China were sampled and randomly assigned to an experimental group (10.70 ± 0.47 years old, n = 30) or a control group (10.77 ± 0.43 years old, n = 31). The experimental group underwent a two-week design-based STEM training program, while the control group participated in a 2-week STEM-related reading program. Both groups were assessed with the brain activation from 4 brain regions of interest using functional near-infrared spectroscopy (fNIRS) and behavioral measures during a Stroop task before and after the training. Analysis disclosed: (i) a significant within-group time effect in the experimental group, with posttest brain activation in Brodmann Area 10 and 46 being notably lower during neutral and word conditions; (ii) a significant between-group difference at posttest, with the experimental group showing considerably lower brain activation in Brodmann Area 10 and Brodmann Area 46 than the control group; and (iii) a significant task effect in brain activity among the three conditions of the Stroop task. These findings indicated that this STEM learning effectively enhanced executive function in left-behind children. The discrepancy between the non-significant differences in behavioral performance and the significant ones in brain activation implies a compensatory mechanism in brain activation. This study enriches current theories about the impact of Science, Technology, Engineering, and Mathematics (STEM) learning on children's executive function development, providing biological evidence and valuable insights for educational curriculum design and assessment.

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Background: Sickness presenteeism, the phenomenon of people going to work despite being ill, is an occupational and psychosocial condition that hurts both the health of workers and organizational productivity. It negatively affects health, increases health-related costs, and the risk of contagious diseases. Primary school teachers are particularly vulnerable to this problem, although little is known about its scope and associated factors. This study aimed to determine the prevalence and factors associated with sickness presenteeism among school teachers in Northwest Ethiopia. Methods: An institution-based cross-sectional study was employed and the study period was from April 18 to May 18, 2023. A sample of 633 primary school teachers was recruited using two-stage stratified random sampling. Data were collected using structured self-administered questionnaires. Epi-data version 4.6 and STATA version 14 were used for data entry and analysis, respectively. Binary logistic regression analysis was used. A multivariable logistic regression model with an adjusted odds ratio was fitted for statistical significance. Results: A total of 603 school teachers participated in this study, with a response rate of 95.26%. The overall prevalence of sickness presenteeism in the last 12 months was 54.7% (N = 330) [95% CI (50.9, 58.7)]. Private school teachers [AOR: 2.21, 95% CI (1.14, 4.28)], low supervisor support [AOR: 1.53, 95% CI (1.06, 2.20)], lack of staff replacement availability [AOR: 2.74, 95% CI (1.85, 4.06)], low colleague support [AOR: 2.17, 95% CI (1.40, 3.37)], unsuitable household conditions [AOR: 1.49, 95% CI (1.08, 2.34)], and strict attendance control [AOR: 2.54, 95% CI (1.67, 3.85)] were factors significantly associated with sickness presenteeism. Conclusion: The prevalence of sickness presenteeism was relatively high among primary school teachers because of factors such as low support from supervisors and colleagues, strict attendance control, lack of staff replacement, unsuitable household conditions, and private school type. Strategies to promote teachers' health include fostering a culture of support and collaboration among colleagues, recruiting adequate staff, and implementing liberal attendance policies.

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Background: Rising anxiety and depression in primary school students adversely affect their development and academics, burdening families and schools. This trend necessitates urgent, focused research within this young demographic. This alarming trend calls for a systematic bibliometric analysis to develop effective preventative and remedial strategies. Objectives: This study aims to identify and analyze the prevailing research hotspots and emerging trends concerning anxiety and depression in primary school students, thereby furnishing a foundational reference for future academic endeavors in this area. Methods: This study uses the Web of Science (WOS) Core Collection database as the data source, focusing on literature published between 2013 and 2023 concerning anxiety and depression in primary school students. An initial search identified 1852 articles, which were then manually screened to exclude duplicates, conferences, announcements, and unrelated literature, resulting in 1791 relevant articles. The analysis, executed on December 31, 2023, employed CiteSpace and Vosviewer tools to assess various bibliometric indicators including authorship, country, institutional affiliations, publication trends, keyword frequency, and citation analysis. Results: The analysis revealed a corpus of 1,791 English-language articles, with a discernible upward trend in publications over the decade. The USA and China were the leading countries in this field, with 482and 272 papers, respectively. The research predominantly addresses the etiological factors of anxiety and depression, various intervention strategies, and the comorbidities associated with these conditions in the target population. Key research focuses have been identified in areas such as suicidal thoughts, bullying in schools, the impact of COVID-19, mindfulness interventions, and anxiety related to mathematics. Future research is projected to increasingly focus on the effects of mathematics anxiety on the psychological and behavioral outcomes in students. Conclusion: This study provides a critical visual and analytical overview of the key research areas and trends in the field of anxiety and depression among primary school students. It underscores the necessity of concentrating on the underlying causes and potential interventions. Such focused research is imperative for mitigating the mental health challenges faced by young students and enhancing their educational and developmental outcomes.

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Introduction: Recent studies have emphasized the intricate connection between exercise and cognition, focusing on specific cognitive processes and their correlations with specific motor skills. However, research on the impact of the qualitative aspects of movement on both short- and long-term cognitive performance is limited. In this quasi-experimental study, we investigate the impact of a 10-week fancy rope-skipping intervention on motor coordination and selective attention of 7-9-year-old children. Methods: A total of 60 primary school students from Changbin School in Haikou participated and completed the study from October to December 2022. The 60 participants were divided into a fancy rope-skipping group and a control group. Children's motor coordination was assessed using the Körperkoordinations Test für Kinder (KTK), while selective attention was evaluated using the d2 Test of Attention. Children were assessed at baseline and after the 10-week intervention. Results: Compared with the control group, the scores for the total KTK and for the hopping for height, jumping sideways, and moving sideways sub-items were significantly higher in the rope-skipping group after the intervention, with a significant interaction effect between time and intervention. Attention concentration improved in the rope-skipping group and had a significant interaction effect between time and intervention compared with the control group; the effects of the intervention on other aspects of selective attention were unclear. Conclusions: Our study suggests that a 10-week fancy rope-skipping intervention may potentially enhance motor coordination and selective attention accuracy in children aged 7-9 years.

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INTRODUCTION: Head lice infestation remains a persistent public health concern among primary school children in resource-limited settings, affecting their well-being and academic performance. Despite previous studies, there is no consistent evidence on the prevalence and factors associated with head lice infestation. This study aimed to determine the prevalence and factors related to head lice infestation among primary school children in low and middle-income countries. METHODS: This review was conducted by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses 2020 guidelines. Relevant electronic databases, including PubMed, Cochrane Library, Web of Science, Science Direct, AJOL, and Google Scholar, were used to retrieve articles. The study included only published articles written in English languages between December 01, 2014 to January 31, 2024 for studies reporting the prevalence of head lice infestation or associated factors among primary school children in low- and middle-income countries. This review has been registered on PROSPERO with Prospero registration number CRD42024506959. The heterogeneity of the data was evaluated using the I2 statistic. A meta-analysis was conducted using STATA 17 software, with a 95% confidence interval. Publication bias was evaluated using funnel plots and statistical tests, such as Egger's and Beggs's tests, to identify publication biases in the included studies. Meta-regression was also carried out to assess the source of publication of publication bias. RESULTS: The review included 39 studies involving 105,383 primary school children. The pooled prevalence of head lice infestation among primary school children in low- and middle-income countries was 19.96% (95% CI; 13.97, 25.95). This review also found out that being a girl was 3.71 times (AOR = 3.71; 95% CI: 1.22-11.26) more likely to have head lice infestation as compared to boys, while children with a previous history of infestation were 4.51 times (AOR = 4.51; 95% CI: 2.31-8.83) more likely to have head lice infestation as compared to their counterparts. CONCLUSION: The overall prevalence of head lice infestation among primary school children in low- and middle-income countries was found to be high. Female gender, children who had a previous history of infestation, and family size were significant predictors of head lice infestation. As a result, policymakers and program administrators should focus on the identified determinants.

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BACKGROUND/OBJECTIVES: Schools can play a key role in promoting health among adolescents, and Hungarian legislation gives them sufficient space to do so. In our study, we examined the impact of a multiyear school health promotion programme on pupils' health behaviour and well-being. METHODS: We carried out our investigation in an intervention and a control primary school in Hungary. All 5th and 7th grade pupils were invited to participate in the questionnaire-based survey between 2017 and 2021. The effect of the intervention was quantified using univariate and multivariate logistic regression analyses. RESULTS: Our results show that for those behaviours where pupils' personal choices had a greater influence (unhealthy eating, smoking, screen time), the health promotion programme was more effective. For those behaviours where family background and parental influence were more pronounced (healthy eating, physical activity), the intervention had less impact. Self-perceived health was better in the 7th-grade intervention group. CONCLUSIONS: Our findings are in line with the conclusion of systematic reviews that more intensive, longer-term, multi-behavioural school health promotion programmes can be effective in promoting positive behaviour. To be more effective, it would be worth using a well-structured curriculum, well-developed teaching materials, and greater involvement of teachers, parents, and various local organisations.

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The importance of attentional capacity for academic performance is highlighted by the increasing demands placed on students during primary school. Between the ages of 7 and 12, there is an evolutionary improvement in attentional capacity and the school environment is considered an appropriate setting in which to develop programmes to improve attention. Heart rate variability is an appropriate indicator of attentional capacity. For all these reasons, a heart rate variability biofeedback intervention focused on breathing was developed and implemented to improve attention. The intervention consisted of two phases. In the first phase, the school teachers were trained to develop the intervention; in the second, students received five individual sessions from their teachers. In each individual session, they learned to breathe to increase their heart rate variability. A total of 272 girls and 314 boys (N = 586) aged 7-12 years participated in the programme. To study the impact of the intervention on three primary school age groups, the attention of Control and Experimental groups was assessed before and after the implementation of the programme. According to the data obtained, despite developmental improvements, the students who participated in the programme showed an increase in heart rate variability and an improvement in attentional capacity, with a greater impact on the first cycle of primary school. The usefulness of heart rate variability biofeedback interventions in improving attention in primary school is discussed and arguments for their use in children are presented.

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Social support is the gratification of basic social needs (affection, belonging, esteem or approval, security, identity) through interaction with others. Social support at school allows students to perceive themselves as competent during learning and to enjoy school in general. Little is known about social support at school for students with sensory disabilities. This review aims to synthesize findings from studies examining social support at school for students with hearing and visual impairments. A search of computerized databases was supplemented by a manual search of the bibliographies of the main publications. The synthesis of the literature suggests that all students need adequate support devices in class and properly trained support teachers. However, visually impaired students are more likely to have access to resources compared to those with hearing impairments. Students with visual impairments attending regular schools are more positive about the availability of resources than those with hearing impairments attending special schools. Overall, senior secondary school students indicate higher resource availability than junior secondary school ones. Still, very few studies have investigated social support for students with sensory disabilities. Thus, further research is needed to confirm these results.

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Childhood overweight and psychosocial issues remain significant public health concerns. Schools worldwide implement health promotion programs to address these issues and to support the physical and psychosocial health of children. However, more insight is needed into the relation between these health-promoting programs and the Body Mass Index (BMI) z-score and psychosocial health of children, while taking into account how school factors might influence this relation. Therefore, we examined whether the variation between primary schools regarding the BMI z-score and psychosocial health of students could be explained by school health promotion, operationalized as Healthy School (HS) certification, general school characteristics, and the school population; we also examined to what extent the characteristics interact. The current study had a repeated cross-sectional design. Multilevel analyses were performed to calculate the variation between schools, and to examine the association between HS certification and our outcomes. Existing data of multiple school years on 1698 schools were used for the BMI z-score and on 841 schools for psychosocial health. The school level explained 2.41% of the variation in the BMI z-score and 2.45% of the variation in psychosocial health, and differences were mostly explained by parental socioeconomic status. Additionally, HS certification was associated with slightly lower BMI z-scores, but not with psychosocial health. Therefore, obtaining HS certification might contribute to the better physical health of primary school students in general. This might indicate that HS certification also relates to healthier lifestyles in primary schools, but further research should examine this.

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Background: Intimate Partner Violence (IPV) is a serious health issue among couples which is recorded more among married partners. Dishearteningly, IPV among couples who are teachers is underreported due to shame, thereby increasing the prevalence of IPV in the area of the study. Objectives: The study examined physical and psychological health consequences of IPV on married primary school teachers. Methods: The design was a cross-sectional descriptive survey conducted on married primary school teachers in Delta South Senatorial zone of Delta State, Nigeria from 22nd February - 29th November, 2021. Three hundred and thirteen 313 (207 women and 106 men who have experienced various forms of IPV) who were identified as victims of IPV were used as participants in the study. Structured questionnaire was used to elicit information on physical and psychological health consequences of IPV on married teachers. Conclusion: The researchers concluded that there are severe and serious physical and psychological health consequences associated with IPV among married primary school teachers in Delta South Senatorial zone of Delta State, Nigeria. Urgent interventions such as public enlightenment, campaigns, workshops, seminars, community health talk-shows should be organized by government stakeholders, non-governmental organizations, community leaders on the prevention of IPV and its dare consequences for marital stability.

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Introduction: This study set out to understand the association between teaching practices, teacher confidence, competence, self-efficacy, and the resulting student outcomes. Methods: Data regarding teaching behaviours were collected via video recording and then evaluated using the MASTER Observation Tool. The information about demographics, self-reported teaching confidence, competence, self-efficacy, and student outcomes was collected using questionnaires. The association between teacher characteristics, and teacher and/or student outcome variables were tested using a one-way analysis of variance (ANOVA). Results: A total of ten primary schools were involved, including 597 children (age range: 10-12 years, grade 4-6) and 16 grade 4-6 PE teachers (with 16 PE classes). Most of the Physical Education (PE) lesson time was spent in training-form activities (60.2% ± 9.1), followed by instructional time (33.1% ± 8.6%), reflection (3.4% ± 2.3%), and warm-up (2.9% ± 2.0 %). It was observed that teaching behaviours and student outcomes were significantly better in urban than rural areas. Smaller class sizes (21-30 children) were found to have more positive feedback than larger ones (41-50 children). PE teachers with more than 10 years of teaching experience reported more teaching competence and self-efficacy than teachers with less than 10 years of experience. PE teachers with class sizes of 21-30 children enjoyed significantly better scores in self-efficacy than classes with 41-50 children. They also scored more highly in confidence and competence than classes with 41-50 and 51-60 pupils. Conclusion: The current study confirmed that teachers dedicated a large proportion of lesson time to PE delivering training-form activities, followed by instructional time. Teaching behaviour and student outcomes were associated with location and class size, but not gender. The study contributes to our understanding of PE instruction in Chinese primary schools and offers preliminary evidence to improve future PE teaching strategies in the country.

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BACKGROUND: Dental caries (decay or cavities) is the breakdown of teeth as a result of bacteria. Dental caries is one of the most preventable oral health problems and the most common chronic disease in primary school children. Poor dental and oral health affects the quality of children's lives. OBJECTIVES: The study aimed to synthesize the existing literature on the prevalence and associated factors of dental caries among primary school children in Ethiopia in 2024. METHODOLOGY: Studies were searched through the search engines of Google Scholar, PubMed, Scopus, MEDLINE, and the Cochrane Library. Searching was made using keywords and MeSH terms for dental caries, dental plaque, primary school children, and Ethiopia. Heterogeneity was assessed using the Cochran Q test and I2 statistics. A random-effects model with a 95% confidence interval was used for prevalence and odds ratio estimations. RESULT: The result of seven studies disclosed that the overall prevalence of dental caries in primary school children in Ethiopia was 35% (26-45%). high intake of sweets (OR = 2.71,95%CI:1.968-3.451), a poor habit of tooth cleaning (OR = 2.46; 95% CI: 2.761-5.045), Grade level 1-4(OR = 2.46; 95% CI: 1.523-3.397), having a history of toothache(OR = 2.99; 95% CI: 2.679-3.314), absence of toothpaste use(OR = 1.42; 95% CI: -1.278-4.109), reduction of the previous year's academic score(OR = 5.51; 95% CI: 1.952-9.066), had a significant microbial load(OR = 3.82, CI: 3.439-4.192) and have acid bacillary pH on their teeth(OR = 2.42, CI: 1.494-3.335) were independent variables associated with dental carries among primary school children. CONCLUSION: The overall prevalence of dental caries among primary school children in Ethiopia is 35%, ranging from 26 to 45%. However, variations in prevalence rates are observed based on sampling techniques. Studies using simple random sampling report a higher prevalence rate of 42%, while those employing multi-stage random sampling and systematic random sampling show lower rates of 30% and 35%, respectively. This indicates that the choice of sampling technique can impact reported prevalence rates, with simple random sampling yielding higher estimates compared to other methods.

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