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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika JTAM (Jurnal Teori dan Aplikasi Matematika) Sinar Sang Surya: Jurnal Pusat Pengabdian kepada Masyarakat Enthusiastic : International Journal of Applied Statistics and Data Science Jurnal Mahasiswa Ilmu Komputer Sciencestatistics: Journal of Statistics, Probability, and Its Application Journal of Mathematics, Computation and Statistics (JMATHCOS)
Wardhani Utami Dewi
Universitas Muhammadiyah Metro
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Mathematics Physics

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Analysis of Food Security Factors in Indonesia using SEM-GSCA with the Alternating Least Squares Method Dewi, Wardhani Utami; Nisa, Khoirin; Usman, Mustofa
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 8, No 2 (2024): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v8i2.20378

Abstract

An economic recession, characterized by prolonged economic decline, increased unemployment, and decreased spending, is projected to occur globally in 2023, potentially impacting production capacity within the food sector. Experts have identified various contributing factors such as shifts in global trade dynamics and geopolitical tensions, highlighting the need to understand the broader global economic context leading to this recession. To achieve this goal, in this research SEM is used to analyze the relationship between variables that influence food security. Furthermore, GSCA is used to handle complex structural models and non-normal data distribution. Special considerations include the use of ALS methods to estimate parameters effectively and consistently. The findings of this research are the important role of availability, access and utilization in shaping food security in Indonesia, with a contribution of 98% of the overall influence shown by the model. These insights help governments design targeted interventions to improve food security, especially amidst challenges posed by a potential global economic downturn. Implementing strategies to increase availability, increase access and optimize utilization is very important in maintaining food security amidst economic uncertainty.
Confirmatory Factor Analysis to Reduce the Knowledge and Economic Dimensions of the Behavior of Cerebral Palsy Parents Khasanah, Al Um Aniswatun; Yuliana, Sri; Ikrom, Dhofirul Fadhil Dzil; Sholiha, Sangidatus; Dewi, Wardhani Utami
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 8, No 3 (2024): July
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v8i3.22952

Abstract

This research is important to understand the behavior of parents of Cerebral Palsy (CP) children by reducing the complexity in understanding knowledge and economic dimensions, thus providing a structured approach to identifying factors that influence the psychology of children with CP. This study aimed to identify and reduce the dimensions that influence the behavior of parents of children with CFA.This study aimed to reduce the socio-economic dimensions and knowledge of the behavior of parents of Cerebral Palsy (CP) children using CFA. A quantitative approach with a cross-sectional design was used in this study to comprehensively examine the behavior of parents of children with CP. Purposive sampling was used to select 200 participants from various backgrounds. The instrument used was a 28-item questionnaire which was distributed online to collect data. The questionnaire has gone through rigorous testing, including CFA, determinant KMO test, Bartlett test PCA, and grouping of variables based on identified factors.Research methods , a quantitative approach with cross-sectional design, and purposive sampling were used to select 200 parents of children with CP from various backgrounds. The instrument in the form of a questionnaire with 28 statement items was distributed online. Data analysis was carried out using CFA, including the determinant test, Kaiser-Meyer-Olkin (KMO) test, Bartlett test, Principal Components Analysis (PCA), and grouping variables based on factors. Research in Lampung shows that the number of boys with CP is slightly higher, with the majority aged 1-5 years. Factor analysis identified three main dimensions: parental knowledge about CP, family economic situation, and parental behavior. Better knowledge and a stable economic situation are positively correlated with better parental behavior in caring for children with CP. Many parents experience high levels of stress due to the physical, emotional, and financial burden of caring for a child with CP. The research conclusion shows that the 28 statement items were successfully reduced to three main dimensions (knowledge, economics, and behavior) which have a significant relationship in the care of children with CP. These findings suggest the need for interventions to increase parental knowledge about CP and family economic stability to increase parental participation in child care.Findings the sex distribution of children with cerebral palsy in Lampung showed a slight excess in the number of boys, with the majority of children being in the age range of 1-5 years. Factor analysis identified three main dimensions: parental knowledge of CP, family economic situation, and parental behavior, where better knowledge and stable economic situation positively correlated with better parental behavior in caring for children with CP. Many parents experience high levels of stress in caring for a child with CP because of the physical, emotional, and financial burden that the condition brings. In conclusion, the 28 items of the statement are reduced to 3 dimensions or factors, including knowledge, economics, and behavior. Each dimension has a relationship with each other significantly to the behavior of parents of CP children.
PENDAMPINGAN PARENTAL TRADITIONAL THAI MASSAGE UNTUK MENINGKATKAN KESADARAN SENSORI PADA KOMUNITAS PEDULI AUTIS LAMPUNG (KOPALA) Yudistira, Efraldo; Khasanah, Al Um Aniswatun; Soliha, Sangidatus; Vahlia, Ira; Dewi, Wardhani Utami
SINAR SANG SURYA Vol 9, No 2 (2025): Agustus 2025
Publisher : UM Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/sss.v9i2.4090

Abstract

Pengabdian ini bertujuan untuk memberikan pendampingan Parental Thai Massage. permasalahan yang diterapkan dalam komunitas ini adalah Parental Traditional Thai Massage, yang bertujuan untuk mengurangi stres, meningkatkan relaksasi, serta meningkatkan kesadaran sensorik pada anak autisme.Parental Traditional Thai Massage ini memberikan stimulasi pada sistem saraf pusat, membantu meredakan ketegangan otot, dan menciptakan efek relaksasi yang bermanfaat bagi anak. Metode pengabdian ini yaitu pengumpulan data, perencanaan, pelaksanaan dan evaluasi. Hasil pengabdian menunjukkan mitra sangat antusias dalam mengikuti pendampingan pendampingan Parental Thai Massage. Sebelum pendampingan dilakukan, hampir secara keseluruhan mitra belum mengetahui manfaat pendampingan Parental Thai Massage untuk meningkatkan kesadaran sensoris pada anak autis. Setelah diberikan pendampingan Parental Thai Massage 90% anggota KOPALA memahami dalam pelaksanaan teknik Parental Thai Massage. Dalam kegiatan tersebut, KOPALA sangat antusias dalam mengikuti pendampingan pembuatan Parental Thai Massage. Sebelum pendampingan dilakukan, hampir secara keseluruhan KOPALA belum mengetahui bahwasannya Parental Thai Massage memberikan efek stimulasi untuk meningkatkan kesadaran sensoris. Setelah diberikan pendampingan teknik Parental Thai Massage 90% orang tua KOPALA memahami teknik Parental Thai Massage 
Log-Linear Analysis of the Association among Hematological Variables in Dengue Hemorrhagic Fever Cases Irfan, Miftahul; Hayati, Ma’rufah; Madonna, Nora; Dewi, Wardhani Utami
Enthusiastic : International Journal of Applied Statistics and Data Science Volume 5 Issue 2, October 2025
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/enthusiastic.vol5.iss2.art6

Abstract

Health data are often analyzed in their continuous form through approaches such as linear, logistic, or survival models. In this study, hematological variables were dichotomized based on established clinical cut-offs to enable log-linear analysis of associations among categorical variables, acknowledging the potential loss of information from this transformation. A log-linear model was applied to evaluate independence, dependence, and interaction patterns among leukocyte, hemoglobin, and hematocrit categories in a dengue hemorrhagic fever (DHF) patient dataset. Previous analyses using survival models identified these variables as factors associated with recovery rates; however, these models did not capture their interaction structure. Log-linear analysis was therefore employed to examine these associations more comprehensively. The best-fitting model was identified as , which included two-factor interactions between leukocyte–hematocrit and hemoglobin–hematocrit. This model demonstrated a good fit (Pearson , , ), including a three-factor interaction resulted in a saturated model (= 0) and did not improve model performance. These findings highlight significant interaction patterns among hematological variables in DHF patients, providing a more detailed understanding of their joint associations.
Co-Authors Al Um Aniswatun Khasanah Amir Khushk Bota Muhammad Akbar Hayati MT, Ma’rufah Ikrom, Dhofirul Fadhil Dzil Ira Vahlia Irfan, Miftahul Khasanah, Al Um Aniswatun Khoirin Nisa Khoirin Nisa M. Ihsan Dacholfany Madonna, Nora Mustofa Usman Mustofa Usman Nego Linuhung Sari, Reni Permata Sholiha, Sangidatus Soliha, Sangidatus Sri Yuliana Vahia, Ira Warsono Warsono Warsono Yudistira, Efraldo