Correlations between the Youth Healthy Eating Index, Body Mass Index and the Salivary Nitric Oxide Concentration in Overweight/Obese Children
Elsa Vitale, Emilio Jirillo and Thea Magrone
Affiliation: Immunology, Policlinico, 70124, Bari, Italy.
Keywords: Body mass index, children, nitric oxide, obesity, overweight, saliva, youth healthy eating index.
There is growing evidence that the prevalence of overweight/obesity is increasing in both developed and
developing countries. Furthermore, complications of overweight/obesity occurring during childhood may influence the
healthy status in adulthood. On these grounds, here we have enrolled 15 overweight/obese, 15 normal weight and 15
underweight children. A series of parameters, such as eating habits thanks to the Body Mass Index (BMI), Youth Healthy
Eating Index (YHEI), activity and inactivity, salivary nitric oxide concentration (NO), were determined and correlated
between them. In particular, correlations of BMI with YHEI, activity/inactivity, and correlations of salivary NO
concentration with YHEI, BMI and activity/inactivity were evaluated. In overweight and obese subjects, a positive
correlation between BMI, YHEI, inactivity and salivary NO concentrations was shown, while an inverse correlation was
documented between BMI and activity in overweight/obese group. In normal weight and in underweight children,
respectively, a positive correlation between lower BMI, YHEI, salivary NO concentration, and higher physical activity
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