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All Journal Paediatrica Indonesiana Jurnal Kesehatan Masyarakat
Ferdian, Hanum
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Education Health Professions Medicine & Pharmacology Public Health

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Tri-ponderal mass index vs. body mass index to determine obesity and central obesity in adolescents Moelyo, Annang Giri; Ferdian, Hanum
Paediatrica Indonesiana Vol. 64 No. 6 (2024): November 2024
Publisher : Indonesian Pediatric Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14238/pi64.6.2024.501-8

Abstract

Background Tri-ponderal mass index (TMI) is as accurate as body mass index (BMI) in predicting body fat in children and adolescents. Despite TMI simplicity, there have been few studies comparing the sensitivity and specificity of TMI and BMI in determining obesity and central obesity in adolescents. Objective To compare the sensitivity and specificity of TMI and BMI in determining general obesity and central obesity in adolescents. Methods This cross-sectional study was conducted in Surakarta. Healthy school children aged 12 to 17 years underwent TMI, BMI, and waist circumference measurements in 2016, 2017, 2019. Tri-ponderal mass index was calculated as the weight divided by the height in metres cubed (kg/m3). General obesity was defined by the International Obesity Task Force (IOTF) classification of overweight-obese. The BMI-WHO overweight/obesity was defined as over the 85th percentile of the BMI SDS (WHO growth reference). Central obesity was defined as waist-to-height ratio (WtHR) ? 0.5. The sensitivity and specificity of TMI and BMI were calculated. Results A total of 1,173 children and adolescents (837 girls, 336 boys) aged 12-17 years were recruited into this study. The overall prevalences of obesity by BMI-WHO, TMI, BMI-IOTF, and WtHR were 22.68%, 14.92%, 20.55%, and 32.74%, respectively. The sensitivity of BMI-WHO vs. TMI for general obesity was 100.00% vs. 77.71%, respectively (girls) and 100.00% vs. 59.52%, respectively (boys). The specificity was 98.24% vs. 99.56%, respectively (girls) and 98.84% vs. 100%, respectively (boys). The sensitivity of BMI-WHO vs. TMI for central obesity was 58.77% vs 48.82%, respectively (girls), and 47.40% vs 27.75%, respectively (boys). The specificity was 92.81% vs. 96.49%, respectively (girls), and 90.80% vs 98.77%, respectively (boys). Conclusion Tri-ponderal mass index consistently showed higher specificity and lower sensitivity than BMI in assessing general and central obesity.
Central Obesity in Children and Adolescent: Current Themes and Future Potential Researches Moelyo, Annang Giri; Ferdian, Hanum; Wiyono, Nanang
Jurnal Kesehatan Masyarakat Vol. 20 No. 4 (2025)
Publisher : Universitas Negeri Semarang in collaboration with Ikatan Ahli Kesehatan Masyarakat Indonesia (IAKMI Tingkat Pusat) and Jejaring Nasional Pendidikan Kesehatan (JNPK)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/kemas.v20i4.2898

Abstract

The increasing prevalence of central obesity among children and adolescents is a significant concern for public health, as it can lead to various health risks and complications. This study aimed to provide comprehensive updates using the keywords “central obesity,” and “children” or “adolescent”. The Scopus electronic database was searched for relevant articles to compile the basic publishing and citation data found in the article’s title, abstract, and keyword. The author, country, journal, and keyword networks were visualized using the bibliometric software program VOSviewer and biblioshiny. Of 1,190 articles, this study suggests the growth advancement with a 7.84% annual growth rate. The Plos One is the most international publication. The United States is the country leading in this topic. We find four theme clusters: obesity, central obesity, metabolic syndrome, and adolescents. The analysis shows that the diagnosis through anthropometric measurements, body fat assessment, metabolic syndrome, and complications were the major well-known research. The growing interest and future interest topics were waist-to-hip ratio, waist-to-height ratio, lifestyle, adiposity, and dyslipidemia. This bibliographic study showed the expanding publications of central obesity in children and adolescents and suggested several critical themes for future research.
Target height prediction in Indonesian children: a population-based and clinically relevant model Moelyo, Annang Giri; Ferdian, Hanum
Paediatrica Indonesiana Vol. 65 No. 5 (2025): September 2025
Publisher : Indonesian Pediatric Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14238/pi65.5.2025.416-21

Abstract

Background The traditional calculation of target height (TH) overlooks two important factors: the assortative mating correlation, which reflects the tendency for people of similar height to partner, and the parental–offspring correlation, which measures the strength of the relationship between parents’ and children’s heights. A more accurate model is needed for the Indonesian population.   Objective To develop a target height (TH) prediction model for Indonesian children and to compare its performance with traditional formulas. Methods This retrospective study used nationally representative data from the Indonesia Family Life Survey (IFLS). Adult height data from the IFLS-5 (2014) for 2,506 subjects and the corresponding parental height data from the IFLS-3 (2000) were analyzed. We used a new model, namely estimated target height (eTH), which combined the Hermanussen–Cole and van Dommelen methods, to estimate each participant’s TH. This new model was compared to traditional models which used Tanner (TTH) and modified Tanner (mTH) formulas.   Results The new eTH model yielded the following formulas: TH (boys) = 0.36 × father’s height + 0.43 × mother’s height + 42.77; and TH (girls) = 0.30 × father’s height + 0.36 × mother’s height + 50.47. Correlations with the observed adult height were highest for the new model (r = 0.528 for boys; r = 0.534 for girls), compared to traditional models. Conclusion This study provides a locally validated model for TH estimation in Indonesian children that demonstrates improved clinical applicability over traditional formulas.
Co-Authors Annang Giri Moelyo Nanang Wiyono