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Octavius Gilbert Sterling,Shakila Ayesha,Meliani Mariska,Halim Anita 대한소아내분비학회 2023 Apem Vol.28 No.1
Purpose: This study aimed to describe the prevalence of vitamin D deficiency in Indonesian children and adolescents. Methods: This was a meta-analysis of prevalence using the Hartung-Knapp-Sidik-Jonkman method with a random effects model. A prediction interval was used to estimate true effects. We searched PubMed, MEDLINE, Cochrane Library, Science Direct, Google Scholar, and 3 Indonesian databases (Indonesian Scientific Journal Database, Neliti, and Indonesia One Search). We included cross-sectional or case-control studies that provided data on the prevalence of vitamin D deficiency. We excluded case reports, case series, cohort studies, or studies outside Indonesia. We computed point prevalence by dividing the number of children with hypovitaminosis D by the total number of subjects in that study. This review was registered with PROSPERO (International Prospective Register of Systematic Reviews) (CRD42022329814). Results: Of 1,397 manuscripts identified, 7 were included in this review. A total of 5,870 children were included in this meta-analysis, ranging in age from 6 months to 19 years. The prevalence of hypovitaminosis D in Indonesia was calculated as 33% (95% confidence interval [CI], 9–56) and was higher in females (60% [95% CI, 58–62]) than in males (40% [95% CI, 38–42]). Mean serum vitamin D level was 22.74 ng/mL (95% CI, 16.95–30.51) with a prediction interval of 15.96 ng/mL to 29.52 ng/mL. Conclusion: Vitamin D deficiency is a public health emergency in Indonesia. Strategies to detect and treat vitamin D deficiency in Indonesian children and adolescents should be implemented immediately.
Octavius Gilbert Sterling,Shakila Ayesha,Meliani Mariska,Halim Anita 대한소아내분비학회 2023 Annals of Pediatirc Endocrinology & Metabolism Vol.28 No.1
Purpose: This study aimed to describe the prevalence of vitamin D deficiency in Indonesian children and adolescents. Methods: This was a meta-analysis of prevalence using the Hartung-Knapp-Sidik-Jonkman method with a random effects model. A prediction interval was used to estimate true effects. We searched PubMed, MEDLINE, Cochrane Library, Science Direct, Google Scholar, and 3 Indonesian databases (Indonesian Scientific Journal Database, Neliti, and Indonesia One Search). We included cross-sectional or case-control studies that provided data on the prevalence of vitamin D deficiency. We excluded case reports, case series, cohort studies, or studies outside Indonesia. We computed point prevalence by dividing the number of children with hypovitaminosis D by the total number of subjects in that study. This review was registered with PROSPERO (International Prospective Register of Systematic Reviews) (CRD42022329814). Results: Of 1,397 manuscripts identified, 7 were included in this review. A total of 5,870 children were included in this meta-analysis, ranging in age from 6 months to 19 years. The prevalence of hypovitaminosis D in Indonesia was calculated as 33% (95% confidence interval [CI], 9–56) and was higher in females (60% [95% CI, 58–62]) than in males (40% [95% CI, 38–42]). Mean serum vitamin D level was 22.74 ng/mL (95% CI, 16.95–30.51) with a prediction interval of 15.96 ng/mL to 29.52 ng/mL. Conclusion: Vitamin D deficiency is a public health emergency in Indonesia. Strategies to detect and treat vitamin D deficiency in Indonesian children and adolescents should be implemented immediately.
Elkana TIMOTIUS,Gilbert Sterling OCTAVIUS 대한산업공학회 2022 Industrial Engineeering & Management Systems Vol.21 No.2
In every fast-paced surrounding, stress is present in every life aspect, including at the workplace. It is a deeply person-al experience, with various stressors affecting every individual differently. This study assessed the past and present workplace stress-related information and analyzed its impact on productivity. It primarily concentrates on the field's philosophical principles, while providing a collection of directions for future study as well. This study was formed in the statement of PRISMA (Preferred Reporting Items for Systematic Review and Meta-Analysis). The impact of stress at the workplace on the employee’s productivity was observed in the cohort and cross-sectional studies from the perspective of industrial engineering, management, and medicine. Four eligible studies were qualitatively assessed from 2,642 identified literature through four databases (Cochrane, Science Direct, Scielo, and PubMed) using keywords stress, impact, productivity, industrial engineering, management, and medicine. The study was convinced that stress at the workplace contributes to worsening relationships at home, worsening relationships between superiors and subordinates as well as contracting diseases. It has a potential negative impact on productivity. Furthermore, the work environment plays a significant contribution in inducing workplace stress because of human physiologic response. Noxious stress is detrimental to the human body, especially if maintained in the long run. Therefore, stress management is imperative before it is too late.
Elkana TIMOTIUS,Gilbert Sterling OCTAVIUS 한국유통과학회 2021 유통과학연구 Vol.19 No.11
Purpose: Consumers have unique behaviors that are classified based on their interests and considerations before buying. They are predicted will change due to the pandemic of COVID-19. This study provides insights for retailers about the dynamic of consumer behavior before and during the pandemic, including future predictions. Research design, data and methodology: The Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) statement was applied in this study. Seven studies that were selected from five databases meet the criteria for cohort and cross-sectional analyses of gender, age, store types, and environmental concerns. Results: Consumer s gender and age contribute to consumer behavior change. Both offline and online stores can be integrated as omnichannel rather than substitute each other. Product distribution and consumer budget need to be reevaluated by retailers, while internet security is the most essential factor when developing their online transactions. Conclusions: COVID-19 pandemic has a significant impact on changing consumer behavior in most countries. Retailers are encouraged to adapt to the changes by modifying their business model with technology. However, it is still speculated and cannot be generalized due to different cultural and contextual factors. Future studies are always needed to synchronize along with the transition of consumers behavior.