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Background: 30% of women are still married under 18 years. Law No. 1 of 1074 concerning marriage states that men and women can marry after the age of 19. The reasons why teenagers marry early are knowledge, education, economics, the role of peers and promiscuity. The impacts of early marriage include giving birth to low birth weight babies, abortion and others. Objective: Increase teenagers' knowledge about the risks of early marriage. Method: Providing Reproductive Health education to 30 teenagers aged 15-19 years in Bangun Rejo Village. Results: 15 people (50%) had good knowledge before the education was carried out, but after the education was carried out the knowledge and good knowledge was 24 people (80%) in the same group. Conclusion: There is an increase in adolescent knowledge after being given reproductive health education regarding the risks of early marriage in adolescents 15-18 years in Bangun Rejo Village.

This research aims to analyze the influence of price perceptions, service quality and trust on Gojek Customer Loyalty at the University of North Sumatra. The object of this research is Gojek users at the University of North Sumatra. The sampling technique uses non-probability sampling, the Convenience Sampling method. The number of samples used in this research was 218 respondents. The analytical method used in this research is a multiple linear regression model. The research results show that price perception has a positive and significant effect on Gojek Customer Loyalty at the University of North Sumatra. Service quality has a negative and insignificant effect on Gojek Customer Loyalty at the University of North Sumatra. Trust has a positive and significant effect on Gojek Customer Loyalty at the University of North Sumatra.

This research aims to determine whether knowledge, ease of use and usefulness of the Quick Response Code Indonesian Standard (Qris) have a significant effect on the use of E-wallet among FEBI UIN North Sumatra students. The population used in this research were all active students in 2020-2021, Faculty of Islamic Economics and Business, UIN North Sumatra, totaling 4,878 with a sample size of 100 respondents. The sampling technique in this research used Non Probability Sampling using Purposive Sampling. The research method used is a quantitative method with multiple regression analysis, and the data collection technique is carried out by distributing questionnaires. The results of this study show that knowledge has a significant effect on the use of e-wallets among Febi UIN North Sumatra students, ease of use has a significant effect on the use of e-wallets among Febi UIN North Sumatra students, and usefulness has a significant effect on the use of e-wallets among Febi UIN Sumatra students North. Knowledge, ease of use and usefulness have a significant influence on the use of e-wallets among Febi UIN North Sumatra students.

Early and exclusive breastfeeding is very important for a child's survival, and to protect them from various diseases to which they are susceptible and which can be fatal, such as diarrhea and pneumonia. The aim of this study was to determine the relationship between exclusive breastfeeding and the incidence of diarrhea in infants aged 6-12 months in the Tolamaera Community Health Center Working Area, Gunungsitoli Idanoi District, Gunungsitoli City, North Sumatra Province. This research is an analytical research using a cross sectional design, a sample of 75 people taken by total sampling. Analysis was carried out univariately and bivariately using the chi square test with a p- value <0.05. The results of this study show that there is a relationship between exclusive breastfeeding and the incidence of diarrhea in babies aged 6-12 months in the Tolamaera Community Health Center Working Area, Gunungsitoli Idanoi District, Gunungsitoli City, North Sumatra Province with a p value = 0.000. It is hoped that midwives in the Tolamaera Community Health Center Working Area, Gunungsitoli Idanoi District, Gunungsitoli City, North Sumatra Province, can provide education about exclusive breastfeeding to the community, especially to mothers of babies and for mothers. It is hoped that they will try to provide exclusive breastfeeding to babies up to 6 months old.    

University of Sumatera Utara (USU) is a state university in Medan with many enthusiasts who want to study there. The provision of student dormitories and facilities is very important to support the development and development of the younger generation in pursuing higher education. The function of this dormitory is not only as a place to live, but also has a role in supporting non-academic activities such as sports, developing student interests, and talents through coaching programs that aim to shape student personalities. Given that the design location is a tropical climate with a fairly hot air temperature, the design of this student dormitory applies tropical architectural design principles.

The research conducted here is entitled “The Role of Madrasa Heads in the Development of Organizational Culture in MTs ‘Aisyiyah North Sumatra”, with the background that lack of implementation of organizational culture in this madrasa. The research method uses a qualitative research type with a phenomenological approach. As a source of data for this research, the researcher took several sources of information from the head of the madrasa, the deputy head of the madrasa for curriculum, the deputy head of the madrasa for students affairs, one teacher, and also two student at MTs ‘Aisyiyah North Sumatra. The research result revealed that, 1) the role of the madrasa head in developing organizational culture at MTs ‘Aisyiyah North Sumatra, namley a) forming cooperative relationship, b) creating innovaion or renewal, and c) providing motivation; 2) implementing organizational culture development at MTs ‘Aisyiyah North Sumatra is implemented through three things, namely a) developing student caracter, b) developing student interests and talents, and c) developing student knowledge; 3) supporting and inhibiting factors for the implementation of organizational culture at MTs ‘Aisyiyah North Sumatra, namely a) supporting factors: the role of the madrasa head, cooperative relationships within the madrasa, the community that supports the implementation of organizational culture in the madrasa, and b) inhibiting factors: teachers who not being optimal in carrying out their roles, lack of awareness among students to implement organizational culture in madrasa, lack of facilities in madrasa, and lack of understanding of parents regarding the mplementation of organizational culture in the madrasa.

This study aims to analyze the influence of Instagram social media promotion effectiveness on brand awareness and consumer purchase intention, with a case study on Bistro Balige, North Sumatra. Using a quantitative approach with a survey method, this research involved 70 respondents selected through purposive sampling. Data were analyzed using the Structural Equation Model (SEM) with the assistance of SmartPLS 4.0. The results show that the effectiveness of Instagram promotion has a positive and significant effect on brand awareness and consumer purchase intention. However, brand awareness does not have a significant influence on purchase intention. These findings provide valuable insights for culinary businesses in tourist areas like Lake Toba in optimizing their digital promotion strategies.      

Coffee has become a promising leading commodity in the North Sumatra region. However, in the practice of coffee cultivation at the location, issues were found where most farming practices did not comply with Good Agriculture Practice (GAP). One way to support the achievement of SDG Goal 8: decent work and economic growth can be through community service. The Edu Farmers International Foundation, through its "Farming for the Nation" program, conducted mentoring activities for coffee farmers in the form of field schools. The aim of this activity was to assist coffee farmers in Hutagurgur Village in adhering to proper GAP practices to achieve the maximum quality and quantity of coffee. The method involved observing problems and potentials, formulating solutions, planning field schools, determining topics and schedules for the field schools, and conducting the field schools. The results showed that farmers experienced an increase in knowledge and implementation by 25-400%. However, the impact on productivity has not yet been observed, as the assessment was not conducted during the main harvest season.

This research aims to measure the strength of the correlation between inflation and economic growth in North Sumatra. Employing a quantitative methodology based on primary data obtained from the website sumut.bps.go.id. Inflation does not significantly affect economic growth, according to data analysis using tests for determination, correlation coefficients, simple linear regression, and partial testing (t tests). Since the probability value is not statistically significant (0.139>0.05), we may conclude that H1 is not valid. This means that there is not enough evidence to say that inflation has a significant impact on economic growth. In addition, the low correlation between inflation and economic growth indicates a weak relationship between the two variables. It can be said that the research results show that the inflation rate does not have a significant correlation with the rate of economic growth.

Birthball or birth ball can be used by mothers in the first stage of labor which is useful for helping the progress of labor. The advantages of using a birthball are that it can increase blood flow to the uterus, placenta and baby, and can increase the pelvic outlet, provide comfort for the knees and ankles, provide counter-pressure on the perineum and thighs, work with gravity that pushes the baby down so that it accelerates the process of opening and lowering the baby's head and the labor process can take place physiologically. This study aims to determine the Effect of Birthball Therapy on the Progress of Labor in the First Stage of Labor in Mothers in Bangun Rejo Health Center, Tanjung Morawa District, Deli Serdang Regency, North Sumatra Province. The research design used is the Quasy Experiment Method (Experiment). By using the Two Group Design design, in this study the population was all mothers in labor as many as 20 people using the Mann-Whitney Test. The results of the study using the Man Whitney test to see the comparison between the intervention group and the control group obtained a sig value of 0.029 or <0.05 with a z table value of 2.189. So H0 is rejected and Ha is accepted, which means that there is an effect of birthball on the progress of the first stage in mothers who are given birthball therapy and those who are not given birthball therapy at Pustu Bangun Rejo, Tanjung Morawa District, Deli Serdang Regency, North Sumatra Province. It is hoped that the research site will become a forum and facilitator for mothers in labor in facing a comfortable and enjoyable labor process in going through a shorter first stage.

Counseling with media can arouse and bring pregnant women into an atmosphere of joy and happiness, where there is emotional and mental involvement. The effectiveness of using counseling media is largely determined by the number of senses involved. The more senses used, the easier it is to understand the counseling message. This study aims to analyze the effect of counseling using audiovisual media on compliance with iron tablet consumption behavior in pregnant women in Bangun Rejo Village, Deli Serdang Regency, North Sumatra Province in 2024. This type of research is an intervention study using a true experimental research design. The design of this study is a pre-test and post-test with control group design. A pre-test was carried out, then an intervention was carried out on the experimental group and the control group, then a post-test was carried out on the experimental group and the control group with a time gap of two weeks. With a sample size of 32 pregnant women in the third trimester using the Wilcoxon test. The results showed an increase in compliance in the counseling group using audiovisual media was greater, namely 43.73 compared to the counseling group that did not use audiovisual media, namely 31.60. The data were then analyzed using an independent t-test with computer software and produced a p-value of 0.000 <0.05. Conclusion: Counseling using audiovisual media can increase compliance in consuming iron tablets compared to counseling alone without using media.

Background Development of growth and development can be done by providing stimulation and early detection of the baby's growth and development during the "golden age" by providing adequate early stimulation to stimulate the brain and development of movement, speech and language as well as socialization and independence of the baby so that it is optimal according to its age.( Uli, 2019. The aim of this community service program (PKM) is to increase the implementation of effective and family communication towards preventing speech delay in toddlers in Bangun Rejo Village, Tanjung Morawa District, Deli Serdang Regency, North Sumatra Province in 2024. The methods used include 1) identifying toddlers about Speech Delay); 2) preparation of materials and steps for implementing effective and family communication towards preventing speech delay in toddlers); 3) implementation of education on the Implementation of Effective Communication and Family towards Prevention of Speech Delay in Toddlers). Results Based on the results of implementing community service for toddlers in Bangun Rejo Village, Tanjung Morawa District, Deli Serdang Regency, North Sumatra Province, there are a total of 19 toddlers, where the majority are 1-3 years old, 10 toddlers (53%), 3-5 years old, 9 toddlers (43%). %), all parents are enthusiastic about implementing effective and family communication towards preventing speech delay in toddlers

Background​ Background LBW is still a concern for public health throughout the world and is associated with a number of short-term and long-term problems. More than 20 million births each year are estimated to be LBW, accounting for 15% to 20% of all births globally. In poor countries, the LBW birth rate is 16.5%, while in industrial countries it is 7%. Babies with low birth weight (LBW) may experience a number of problems and complications at birth. Metabolic problems, especially hypothermia, may appear in the short term. Method The research used is quantitative, information about what you want to know is examined using numerical data through a retrospective survey. Conducting a retrospective survey is one method of collecting historical data. This research uses a cross-sectional strategy. The sample for this in-depth research was all 60 mothers who gave birth at Sapta Medika Hospital. Analysis data using univariate and bivariate analysis. From the results of statistical tests it was found that p.value = 0.004 and α = 0.05, where the value of P.value (0.004) < α (0.05), so it can be concluded that there is a relationship between maternal age and the incidence of low birth weight (LBW) babies. ). Where the P value (0.019) < α (0.005), so it can be concluded that there is a relationship between maternal parity and the incidence of low birth weight (LBW) babies. Where the P.value (0.001) < α (0.05), so it can be concluded that there is a relationship between maternal nutritional status and the incidence of low birth weight (LBW) babies.     

This research aims to evaluate cabbage production planning in North Sumatra using the discrete-time Markov chain method. Cabbage is one of the horticultural agricultural products that plays an important role in North Sumatra's exports. Proper evaluation of production plans is necessary to ensure sustainability and increase productivity and export volume. The Discrete Time Markov Chain method is used to predict changes in cabbage production conditions over time by considering the factors that influence them. Data on cabbage production and harvested area in North Sumatra from 2020 to 2022 were analyzed using one-step and n-step transition opportunity matrices. The results of the analysis show that in 2023, cabbage production and harvested land area are predicted to experience a significant increase compared to the previous year. This research provides a more accurate and efficient planning strategy for cabbage production, which can ultimately improve agricultural management in North Sumatra.  

The research is a process of analyzing the effect of unemployment on poverty through economic growth in North Sumatra Province from 2021 until 2023. The survey was conducted in 2023 districts/cities in North Sumatra Province by the North Sumatra Central Statistics Agency. 2021-2023. The results of this research state that population growth has a strong significance on the level of open unemployment. However, economic growth has a negative impact on the open unemployment rate. At the same time, population size and economic level are related to open unemployment. These results suggest that states and city governments should pay more attention to this issue. To improve the regional economy and slow population growth, apart from investing money, the focus should also be on creating new jobs. In this way, more people will get jobs and the problems of unemployment and poverty will be reduced.

This research aims to analyze BIPA teaching materials by including the local culture of North Sumatra. This research uses a descriptive qualitative approach. Data collection techniques include documentation and data sources from BIPA teaching materials which include the local culture of North Sumatra.   The data analysis technique uses the concept of Prastowo theory. The results of this research are BIPA teaching materials with Angkola Batak ethnic culture really help foreign language speakers in understanding Indonesian with the cultural nuances of the Angkola Batak ethnic tribe. This can be seen from the material which is prepared systematically and structured.    

This research aims to analyze BIPA teaching materials by including the local culture of North Sumatra. This research uses a descriptive qualitative approach. Data collection techniques include documentation and data sources from BIPA teaching materials which include the local culture of North Sumatra.   The data analysis technique uses the concept of Prastowo theory. The results of this research are BIPA teaching materials with Angkola Batak ethnic culture really help foreign language speakers in understanding Indonesian with the cultural nuances of the Angkola Batak ethnic tribe. This can be seen from the material which is prepared systematically and structured.    

This research is motivated by the fact that nearly 70% of children who are newly enrolled and start learning at Bunda Kartika Kindergarten in Patumbak, Deli Serdang, have difficulty adjusting to the new learning environment. This stage of learning in kindergarten is their first step into formal education. According to the Ministry of Education and Culture Regulation No. 137 of 2014 on national standards for early childhood education (PAUD), it sets national standards for PAUD, including aspects of child development that must be met during the learning process. These standards cover various aspects of child adjustment such as socio-emotional, language, cognitive, and motor skills. This research aims to identify the nature of adjustment problems occurring in kindergartens and early childhood education by understanding the aspects of adjustment and the supporting and inhibiting factors for new students in adapting to the new environment. The research method used is a descriptive qualitative method, where the researcher conducts objective interviews and environmental observations. Data collection techniques include document review, observation, and interviews. The results of the study indicate several issues related to children's adjustment, ranging from psychological factors, prenatal environment, parenting styles, to socialization problems in the school environment. These factors significantly impact early childhood development and require special attention in the context of preschool education.  

The study tested tax literacy and factors that influenced tax compliance in Binjai City, North Sumatra, using a qualitative approach of semi-structured interviews and observations. The results show that the majority of people have a basic understanding of tax types, but difficulties in understanding technical details such as tax calculations and reporting processes. Factors such as education, income, and tax administration experience affect tax literacy, while awareness of the importance of tax for development still needs to be enhanced. The implications of this research include recommendations to develop inclusive and tailor-made tax education programmes, to enhance public understanding and compliance in paying taxes and to support national development effectively. This research makes an important contribution to local tax policy in an effort to increase public participation and awareness of their tax obligations.

This research investigates the understanding and compliance of MSMEs in Medan City regarding Government Regulation No. 23 of 2018, which provides tax facilities. Findings from surveys and in-depth interviews with 100 MSMEs reveal that the majority (78%) have a good understanding of the regulation. They also perceive this regulation as beneficial in managing their business tax aspects (82%). Tax compliance has also improved, with 70% of respondents reporting adherence to tax regulations since understanding the regulation. Factors influencing understanding and compliance include effective socialization, technological support, and respondents' educational levels. The implications of this study underscore the importance of continuous government efforts in socialization and education, as well as ensuring accessible services for MSMEs, to enhance tax compliance and support sustainable regional economic growth.