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Dinh-Toi Chu 2 Articles
Percentage Body Fat is As a Good Indicator for Determining Adolescents Who Are Overweight or Obese: A Cross-Sectional Study in Vietnam
Le Thu Trang, Nguyen Nam Trung, Dinh-Toi Chu, Nguyen Thi Hong Hanh
Osong Public Health Res Perspect. 2019;10(2):108-114.   Published online April 30, 2019
DOI: https://doi.org/10.24171/j.phrp.2019.10.2.10
  • 3,064 View
  • 48 Download
  • 8 Citations
AbstractAbstract PDF
Objectives

To identify trends in percentage body fat (PBF) in adolescents to determine gender-specific classification thresholds for being overweight and obese.

Methods

A cross-sectional study of 899 adolescents (11 to 14.5 years) from Hanoi and Nam Dinh was conducted in Vietnam. PBF, subcutaneous fat and percentage of lean mass were measured directly using OMRON HBF 375 scales to measure bioelectrical impedance.

Results

PBF decreased in boys with increasing age (p < 0.001). The difference in PBF between boys and girls, significantly increased with age after 12.5 years (p < 0.001). There was a stronger correlation between PBF and fat content (Pearson’s r = 0.860, p < 0.0001) than that between (BMI) and fat content (Pearson’s r = 0.521, p < 0.0001). The prevalence of being overweight or obese in girls was similar when determined by PBF or BMI. Hanoi had higher rates of adolescents being overweight or obese compared with Nam Dinh.

Conclusion

PBF provides a more accurate body assessment for being overweight or obese in adolescents compared with BMI.

Childhood Obesity Is a High-risk Factor for Hypertriglyceridemia: A Case-control Study in Vietnam
Nguyen Thi Hong Hanh, Le Thi Tuyet, Duong Thi Anh Dao, Yang Tao, Dinh-Toi Chu
Osong Public Health Res Perspect. 2017;8(2):138-146.   Published online April 30, 2017
DOI: https://doi.org/10.24171/j.phrp.2017.8.2.06
  • 2,310 View
  • 31 Download
  • 10 Citations
AbstractAbstract PDF
Objectives

To investigate the relationship between dyslipidemia and obesity status among Viet-namese adolescents.

Methods

In this case-control study, 282 adolescents (6–11 years), including 88 obese cases and 194 normal-weight controls, were recruited from a population-based cross-sectional study from two provinces in Vietnam. The anthropometric, blood lipid, and other laboratory test results of the study subjects were analyzed.

Results

Obese children tended to have more visceral fat (Pearson’s r = 0.795, p < 0.0001) than subcutaneous fat (Pearson’s r = 0.754, p < 0.0001), and this difference was associated with an increase in blood triglyceride level (Pearson’s r = 0.232, p < 0.05) and a strikingly high rate of hypertriglyceridemia (38.6%). We also found that birth weight and parental body mass index were related to the status of obesity among the study subjects. However, only birth weight was significantly higher in the obese group than in the normal weight group. These findings indicate the effect of prenatal nutrition on childhood obesity. Furthermore, high-birth weight children had a surprisingly high rate of obesity.

Conclusion

Together, our data suggest that obesity increased the risk for hypertriglyceridemia, which was, at least partially, due to prenatal nutrition.


PHRP : Osong Public Health and Research Perspectives