Objective:
To analyze the presence of cardiometabolic risk factors in adolescents with normal weight obesity (NWO), as well as to investigate health behaviors related to the phenotype.
Desing:
The study was conducted according to the PRISMA guidelines and the bibliographic search was carried out in the PubMed, Scielo and ScienceDirect databases.
Setting:
School, university and population.
Participants:
Adolescents between 10 and 19 years old.
Results:
A total of eight papers were included. Most studies have found a relationship between NWO and the presence of cardiometabolic risk factors, such as high waist circumference, unfavorable lipid and glycid profile. As for health behaviors, three of the eight studies included evaluated eating habits, however, the results were not conclusive. In addition, four studies analyzed the practice of physical activity or physical fitness, which was lower in NWO.
Conclusions:
The available evidence indicates that NWO is related to the early development of cardiometabolic changes, physical inactivity and less physical fitness in adolescents. The results also reveal the importance of early detection of the phenotype, as well as the need for further research on the associated factors to prevent future diseases. Registration (PROSPERO: CRD42020161204).
Objective:To assess the prevalence of vitamin D deficiency and its associated factors
in women and their newborns in the postpartum period.Methods:This cross-sectional study evaluated vitamin D deficiency/insufficiency in
226 women and their newborns in Viçosa (Minas Gerais, BR) between December
2011 and November 2012. Cord blood and venous maternal blood were collected
to evaluate the following biochemical parameters: vitamin D, alkaline
phosphatase, calcium, phosphorus and parathyroid hormone. Poisson regression
analysis, with a confidence interval of 95%, was applied to assess vitamin D
deficiency and its associated factors. Multiple linear regression analysis
was performed to identify factors associated with 25(OH)D deficiency in the
newborns and women from the study. The criteria for variable inclusion in
the multiple linear regression model was the association with the dependent
variable in the simple linear regression analysis, considering
p<0.20. Significance level was
α <5%.Results:From 226 women included, 200 (88.5%) were 20-44 years old; the median age was
28 years. Deficient/insufficient levels of vitamin D were found in 192 (85%)
women and in 182 (80.5%) neonates. The maternal 25(OH)D and alkaline
phosphatase levels were independently associated with vitamin D deficiency
in infants.Conclusions:This study identified a high prevalence of vitamin D deficiency and
insufficiency in women and newborns and the association between maternal
nutritional status of vitamin D and their infants' vitamin D status.
The present study identified that total and central body adiposity and shorter time spent in lively activities was positively associated with insulin resistance, evaluated through the triglyceride-glucose index. The cutoff point of 7.88 may be used in this population for insulin resistance risk screening, but caution is required when using it in other populations.
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