One out of four Montenegrin children is overweight, with two times more frequent obesity among boys compared with girls. Some previously salient predictors did not appear salient in this sample. To enable worldwide comparability, we propose the use of all three childhood obesity criteria in national studies.

Introduction/Objective. Childhood obesity is an emerging public health problem. The national prevalence of child overweight/obesity in Montenegro has increased by one third in the last decade. As the overwhelming majority of Montenegrin population is urban, investigation of obesity and correlates among urban children is of special public health interest. The aim of this study was to investigate the prevalence of and contributing factors to obesity among schoolchildren of Podgorica. Method. The sample included 1,134 schoolchildren (49.8% boys) aged 7?12 years, from 10 elementary schools in Podgorica. We measured children?s body mass, body height, and waist circumference to calculate body mass index (BMI) and waist-to-height ratio. The research instrument was a closed type of the original questionnaire. Nutritional status was assessed according to the criteria recommended by the American Centers for Disease Control and Prevention, World Health Organization and International Obesity Task Force. Results. Among the investigated children there were 21.2% and 6% overweight and obese children, respectively. Obesity was more frequent among boys (7.6%) compared to girls (4.4%). In a multiple regression, childhood obesity was positively related to the following: male gender, younger age, lower number of siblings, parental obesity, and low physical activity. Conclusion. One out of five urban Montenegrin schoolchildren is overweight/obese, with obesity being twice as frequent among boys compared to girls. A program against obesity among urban Montenegrin children should focus on the revealed contributing factors.

Background Childhood obesity is a serious health condition with increasing rates worldwide. The aim of this study was to investigate the association between inflammation, oxidative stress, vitamin D, copper and zinc in pre-obese and obese children compared to controls. Methods The study involved 202 children aged 7–15 years (63.9% boys), randomly chosen from 10 elementary schools in Podgorica, Montenegro. Participants were divided into three groups according to their nutritional status (International Obesity Task Force [IOTF] criteria): normal-weight (42.1%), pre-obese (40.6%) and obese (17.3%). Serum biochemical analyses were performed (C-reactive protein [CRP], retinol-binding protein [RBP], total antioxidant status [TAS], total vitamin D [VD], copper and zinc). Results Serum TAS and CRP concentrations were higher in pre-obese and obese children compared to controls (p < 0.001). Serum VD concentrations were lower in pre-obese and obese children compared to their normal-weight peers (p = 0.027 and p = 0.054, respectively). Copper, zinc and RBP concentrations did not differ significantly among the groups (p > 0.05). In pre-obese and obese children, a positive correlation was found between CRP and copper (r = 0.305, p = 0.011 and r = 0.440, p = 0.013, respectively), and TAS and RBP (r = 0.528, p < 0.001 and r = 0.434, p = 0.015, respectively). Standard regression analyses showed that CRP and TAS increase (p < 0.001) whereas VD decreases (p = 0.011) with the body mass index (BMI). Conclusions We show that pre-obesity and obesity in childhood are positively associated with oxidative stress and inflammation, and inversely associated with VD status. Copper and zinc concentrations were not associated with excess fat in children.

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