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All Journal Jurnal Kesehatan Masyarakat The Indonesian Journal of Public Health Jurnal Epidemiologi Kesehatan Komunitas Journal of Epidemiology and Public Health Jurnal Ilmu Kedokteran dan Kesehatan Jurnal Kesehatan Global Jurnal Biomedika dan Kesehatan Afiasi : Jurnal Kesehatan Masyarakat J-Kesmas: Jurnal Kesehatan Masyarakat (Indonesian Journal of Public Health) Journal of Community Empowerment for Health Jurnal Ners Jurnal Layanan Masyarakat (Journal of Public Service) Indonesian Journal of Global Health research Jurnal Kesehatan Masyarakat Mulawarman (JKMM) Mattawang: Jurnal Pengabdian Masyarakat JPM: JURNAL PENGABDIAN MASYARAKAT JOURNAL SCIENTIFIC OF MANDALIKA (JSM) Jurnal Kesehatan Tambusai Bima Abdi: Jurnal Pengabdian Masyarakat Jurnal Kesehatan Gigi dan Mulut (JKGM) An Idea Health Journal Sivitas : Jurnal Pengabdian dan Pemberdayaan Masyarakat Jurnal Kolaboratif Sains Jurnal Pengabdian Masyarakat JRKN PENA ABDIMAS : Jurnal Pengabdian Masyarakat PubHealth Jurnal Kesehatan Masyarakat Jurnal Pengabdian Masyarakat dan Riset Pendidikan Jurnal Abdimas Proceeding Mulawarman International Conference on Tropical Public Health Kesmas: Jurnal Kesehatan Masyarakat Nasional (National Public Health Journal) Symbiohealth Preventif : Jurnal Kesehatan Masyarakat
Ratih Wirapuspita Wisnuwardani
Fakultas Kesehatan Masyarakat Universitas Mulawarman
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Nutritional Knowledge, Snacking and Nutritional Status among Indonesian Adolescents Amaliah, Nur Wahdah Rizqi; Kamarudin, Iriyani; Wisnuwardani, Ratih Wirapuspita
Mulawarman International Conference on Tropical Public Health Vol. 2 No. 2 (2025): The 4th MICTOPH
Publisher : Faculty of Public Health Mulawarman University, Indonesia

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Background : Adolescent nutrition plays an important role in determining long-term health outcomes. However, poor nutritional knowledge and unhealthy snack consumption are often linked to imbalanced body weight among adolescents. This study aimed to analyze the association between nutrition knowledge and snack consumption behavior with nutritional status among PMR (Youth Red Cross) students at SMKN 15 Samarinda. Objective : Analyzing the relationship between nutritional knowledge and snack consumption among Red Cross Youth members at SMKN 15 Samarinda. Research Methods/ Implementation Methods : A cross-sectional quantitative study was conducted among 41 PMR students at SMKN 15 Samarinda. Data were collected using a validated and reliable questionnaire, which consisted of 15 nutrition knowledge items (Cronbach’s Alpha=0.902). Anthropometric data were obtained to determine Body Mass Index-for-Age (BMI/A) based on the Indonesian Ministry of Health Regulation. Statistical analysis included descriptive statistics and the Chi-square test, with a significance level set at p<0.05. Results : The majority of respondents were female (56.1%) and had a normal nutritional status (82.9%), with a mean BMI of 20.5 kg/m2. The bivariate analysis showed a significant association between nutrition knowledge and nutritional status (p=0.042), indicating that students with higher nutrition knowledge tended to have normal BMI-for-age compared to those with lower knowledge levels. In contrast, no significant association was found between snack consumption behavior and nutritional status. Conclusion/Lesson Learned : Nutrition knowledge significantly influences adolescent nutritional status. Strengthening school-based nutrition education and promoting healthy snack selection are essential strategies to improve adolescent health and prevent malnutrition.
Knowledge About the Stages of Healthy Food Processing Among Micro-Entrepreneurs in Penajam Paser Utara Regency Nurlianti, Nurlianti; Pakki, Irfansyah Baharuddin; Hidayati, Tetra; Wisnuwardani, Ratih Wirapuspita
Mulawarman International Conference on Tropical Public Health Vol. 2 No. 2 (2025): The 4th MICTOPH
Publisher : Faculty of Public Health Mulawarman University, Indonesia

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Background : Food Safety is a very important knowledge to be applied to MSMEs, considering that potential irregularities in food processing and distribution can pose health risks to consumers and can harm these small business actors. Objective : This study aims to analyze the relationship between the level of knowledge and attitudes of Food Safety in Penajam Paser Utara Regency Research Methods/ Implementation Methods : The method used was descriptive with a cross sectional design involving 300 respondents selected by simple random sampling Results : Micro business owners with better knowledge of food safety tend to have more positive attitudes towards food safety, such as mask use and participation in early detection. In addition, the length of time running a business and education factors and influence the increase in knowledge and positive attitudes towards food safety. Conclusion/Lesson Learned : Based on these findings, it is recommended that a structured and sustainable Food Safety education program be improved, with wider involvement of MSMEs and the authority of the Health Office and Balai POM as resource persons to provide information that is easily understood by MSMEs when carrying out Food Safety Training activities. Thus, it is expected that food safety efforts can be more effective.
Knowledge and Behavior Regarding Intermittent Fasting Layuk, Meity Moga; Wisnuwardani, Ratih Wirapuspita
Mulawarman International Conference on Tropical Public Health Vol. 2 No. 2 (2025): The 4th MICTOPH
Publisher : Faculty of Public Health Mulawarman University, Indonesia

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Background : Intermittent fasting (IF), often integrated into carbohydrate-restricted diets, has rapidly gained interest among the general public and patients with cardiometabolic disease. However, there are limited studies investigating the relationship between IF knowledge, IF practice and healthy lifestyle behaviors. Objective : The study aimed to determine the association between the level of IF knowledge, Intermittent Fasting practices and healthy lifestyle behaviors among adults in Samarinda, Indonesia. Research Methods/ Implementation Methods : This study employed a cross-sectional design, involving 129 respondents recruited through an online questionnaire. Data collected included demographic characteristics, IF knowledge, Intermittent Fasting practices, and healthy lifestyle behaviors (covering diet, physical activity, sleep duration, non-alcoholic consumption, non-smoking, and stress management). Data analysis utilized the Chi-Square test to assess the association between respondent characteristics and IF practices, and the Spearman correlation test to analyze the association between IF knowledge and healthy lifestyle behaviors. Results : There was no significant difference found between most respondent characteristics and IF practices, except for having received IF information (p<0.0001). A significant association was observed between IF knowledge and IF practices ((p<0.0001). However, there was no association between IF knowledge and overall healthy lifestyle behaviors, including dietary patterns (p=0.249). Conclusion/Lesson Learned : Higher IF knowledge is significantly associated with IF practices, but not associated with overall healthy lifestyle behaviors. These findings emphasize the importance of strengthening evidence-based health education to improve public understanding of healthy lifestyle components as an effort toward developing quality human resources. An integrated health promotion strategy that combines knowledge dissemination with practical behavioral support is recommended to enhance community well-being.
Adolescent Mothers’ Nutritional Knowledge and Stunting Risk: A systematic review Mardika, I Wayan; Wisnuwardani, Ratih Wirapuspita
Mulawarman International Conference on Tropical Public Health Vol. 2 No. 2 (2025): The 4th MICTOPH
Publisher : Faculty of Public Health Mulawarman University, Indonesia

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Background : Stunting remains a significant chronic nutritional problem in Indonesia, particularly among children born to adolescent mothers. These young mothers often face limitations in nutritional knowledge, lower health literacy, and suboptimal reproductive preparedness, which collectively increase the risk of stunting in their children. Objective : This study aimed to conduct a review to determine the association between adolescent mothers’ nutritional knowledge and the incidence of stunting in toddlers, and to identify the contributing factors. Research Methods/ Implementation Methods : This was a systematic review conducting following the PRISMA guidelines and utilizing the Population, Concept, and Context (PCC) framework. Articles were collected through searching the Scopus, PubMed, Google Scholar, and Crossref databases for studies up to October 2025. Two reviewers independently screened and included full- text article that examined Mothers Knowledge and stunting, focusing on the concept of knowledge, adolescent mother, and stunting. Results : A review included five articles. Adolescent mothers’ knowledge had a significant association with the incidence of stunting. This association was often strengthened by confounding factors such as socio-economic status, low education levels, limited access to healthcare services, and inadequate childcare practices. Several studies found that improving maternal nutritional literacy and initiating early prenatal care can effectively reduce the risk of stunting in children. Conclusion/Lesson Learned : Low nutritional knowledge among adolescent mothers is confirmed as an important determinant of stunting in toddlers. Intervention efforts need to be focused on enhancing the education and nutritional literacy of adolescent girls through structured programs, including school-based education, adolescent mother classes in community health centers (Puskesmas), and targeted community campaigns. The integrated approach is crucial to break the intergenerational cycle of stunting and foster the development of quality human resources.
Analysis of hazardous substance content in Elementary school snacks: case study at sdn 009 Kota samarinda Husna, Miftahul; amaruddin, Iriyani; Wisnuwardani, Ratih Wirapuspita
Mulawarman International Conference on Tropical Public Health Vol. 2 No. 2 (2025): The 4th MICTOPH
Publisher : Faculty of Public Health Mulawarman University, Indonesia

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Background : Schoolchildren’s snacks have the potential to contain hazardous food additives such as formalin, borax, rhodamine B, and methanil yellow, which are prohibited in food products. Prolonged exposure to these substances can pose serious health risks to children. Objective : This study aimed to assess the presence of hazardous chemical substances in school snacks sold at SDN 009 Karang Asam, Samarinda City, and to evaluate hygiene and food handling practices by school food vendors Research Methods/ Implementation Methods : A descriptive survey design was employed using direct observation and rapid testing methods. Three popular snack items—iced tea, jelly, and colored mini pancakes (terang bulan)—were tested using rapid test kits for the presence of formalin, borax, rhodamine B, and methanil yellow. Results : All samples tested negative for the four hazardous substances. However, several hygiene- related deficiencies were observed, including the unclear source of water and ice used in preparation and the lack of personal protective equipment (PPE) such as gloves and masks among vendors. Conclusion/Lesson Learned : While the tested school snacks did not contain prohibited food additives, the hygiene and sanitation practices of the vendors were suboptimal. Regular education and supervision are essential to ensure comprehensive food safety for schoolchildren
Analysis of Test Result Timeliness as a Laboratory Service Quality Indicator Sadaria, Sadaria; Wisnuwardani, Ratih Wirapuspita; Adrianto, Ratno; Lestari, Ida Ayu Indira Dwika
Mulawarman International Conference on Tropical Public Health Vol. 2 No. 2 (2025): The 4th MICTOPH
Publisher : Faculty of Public Health Mulawarman University, Indonesia

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Background : Timeliness of laboratory result reporting is a key quality indicator that reflects efficiency, professionalism, and customer satisfaction in accordance with ISO 15189:2022 standards. Reporting delays remain a common issue in public laboratories due to limited resources and system inefficiencies. This study addresses practical, scientific, and theoretical gaps in understanding factors influencing turnaround time (TAT) in regional laboratories and how digital quality systems can improve service performance. Objective : This study aimed to analyze the level of reporting timeliness and identify factors contributing to delays at the Provincial Health Laboratory (UPTD Labkes) of East Kalimantan during January–June 2025. Research Methods/ Implementation Methods : A descriptive quantitative approach was applied using primary data from laboratory test logs, interviews, and field observations, along with secondary data from internal quality indicator reports. Results : he findings revealed an average reporting timeliness of 88.2%, still below the minimum internal quality target of 90%, with variations among divisions. The Biomolecular and Calibration units achieved 100%, while the Congenital Hypothyroid Screening (CHS) program recorded the lowest timeliness at 86.8%. Reporting delays were mainly due to high workloads, limited human resources, suboptimal LIS/SIL transition, technical constraints in MMPI scoring, and reagent supply delays. Conclusion/Lesson Learned : Improvement strategies include optimizing human resource planning, strengthening integrated digital systems, enhancing staff competence through the PDCA cycle, and real-time reagent monitoring. Digital transformation and continuous quality system implementation are strategic measures to achieve fast, accurate, and trustworthy laboratory services aligned with international standards.
Nutrition Education in the Prevention of Adolescent Obesity Maliran, Shafa Minda; Kamaruddin, Iriyani; Wisnuwardani, Ratih Wirapuspita
Mulawarman International Conference on Tropical Public Health Vol. 2 No. 2 (2025): The 4th MICTOPH
Publisher : Faculty of Public Health Mulawarman University, Indonesia

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Background : Adolescent obesity in Indonesia is increasing and poses a high risk of chronic diseases such as type 2 diabetes and cardiovascular disorders. One contributing factor is poor nutrition knowledge and unhealthy eating patterns. Objective : This study aimed to evaluate the effectiveness of nutrition education in improving adolescents’ knowledge as an effort to prevent obesity. Research Methods/ Implementation Methods : The intervention was delivered through interactive lectures, group discussions, and visual media (posters, booklets, videos), covering topics such as balanced nutrition, reducing excessive sugar and fat intake, and choosing healthy snacks. Thirty adolescent respondents participated in a pretest and posttest, with data analyzed using the Wilcoxon test and crosstab. Results : The Wilcoxon test showed a significant difference between pretest and posttest scores (p = 0.004), with all respondents achieving a good knowledge category after the intervention. However, 73.3% of respondents still demonstrated less supportive attitudes. Conclusion/Lesson Learned : In conclusion, nutrition education effectively increased nutrition knowledge, but sustainable programs focusing on behavior habituation through the involvement of schools, families, and social media are recommended to foster long-term positive attitudes.
Co-Authors Abdania, Hazizah Tausia Abigael, Marchya Adellia, Yerita Adrianto , Ratno Adrianto, Ratno Agustini, Rina Tri Akhmad Azmiardi Al-Ayubi, Moch Thoriq Assegaf Almi, Ihza Abi Said Amaliah, Nur Wahdah Rizqi amaruddin, Iriyani Amir, Maryam Annisa, Yulvia Septi Anwar, Alyssa Putri Ariani, Preati Ayu Asysyifa, Thisna Nugra Atting, Yenny Aurelya, Yasmine Naura Azizah, Nabila A’isyah, Siti Basrowi, Ray Wagiu Cahyantari, Umi Cantika, Rury Aulia Delezephs, Audinos H Fernando Fadlillah, Muhammad Ridho Fahmi, Achmad Sabrani Fatimatuzahra, Tien Fatimatuzzahra, Tien Febrianti, Nur Aini Gifari, Muhammad Tijar Harahap, Karlina Sofyana Hariyani, Noor Harun, Siti Fadilah Hasanah, Ayesha Uswatun Herawan, Dea Aurela Herliani, Resda Himawan, Sania Miutia Irmabilla Husna Husna Husna, Miftahul Husnul Khotimah Ike Anggraeni Ilmawari, Izmi Indriani, Alya Irfansyah Baharuddin Pakki Iriyani K Iriyani Kamaruddin, Iriyani K., Iriyani Kamarudin, Iriyani Kurniawati, Eva R Layuk, Meity Moga Lestari, Ida Ayu Indira Dwika Maliran, Shafa Minda Mardika, I Wayan Marini, Rina Mashud, Andine Demetria Padmanegara Muhammad Faisal Muhammad Noor Mutawakkiliin, Syifa’ul Alif Muyassarah, Zalfa Rania Nastitie Cinintya Nurzihan Noviasty, Reny Nozomi, Alwan Zakki Nugraha, Purwa Nur Rohmah Nurfadilla, Nurfadilla Nurlianti Nurlianti, Nurlianti Nursafa, Andi Nurul Afiah Pakki, Irfansyah Baharudin Pamowa, Agustina Simanangi Papu, Theresa Rebecca Parengkuan, Sandra Pasiakan, Meli Pasinggi, Miako Pasqua, Venuta Della Prabawansyah, Nirgandhi Naib Putri, Regina Anindya Putri, Salwa Az Zahra PUTRI, TIARA Putri, ⁠Tiara Ananda Delisa Rahmayanti, Desy Anugerah Ramadhantya, Fazira Shinaia Rangga Aditya Pratama Risqillah, Abdul Ridho Dhafa Riyanto, Rudy Agus Rizki, Agung Tribawa Roma Yuliana Sadaria, Sadaria Saefurrohim, Muhamad Zakki Saputri, Anisatia Saputri, Deby Indah Sari, Aldyta Permata Sari, Rika Yunita Septiana, Lisa Sigit, Ratih Fianni Sihombing, Eggi Monica Silitonga, Hesty Erika Simatupang, Dhea Pebri A. C. Simpajo, Nurul Rizkiana Tistania Sinaga, Ribka Adelina Siti Maysarah Sophie, Emilia Susanto, Riezfian Raditya Tri Agustini, Rina Triffani, Jeane Ubung, Brigitta Utami, Dian Margi Wahidah, Puja Nur Wardani, Nunuk Kusuma Wulandari, Putri Fauziah Xaveria, Azlia Yuardani, Yunda Yuniasih, Arista Dian