The Prevalence of Obesity and Overweight in 1-18-Year-Old Saudi Children

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Abstract
The aim of this study was to review the prevalence of overweight and obesity in Saudi children with ages ranging up to 18 years. The study was a cross-sectional national epidemiological household survey, and the study group included 12071 children (boys 6281; girls 6420), with ages ranging from 1-18 years. Their height and weight were measured and body mass index (BMI) was calculated. The study group was classified as obese or overweight, using age- and sex-specific cut-off points for BMI for determining overweight and obesity in children. The overall prevalence of overweight was 10.7% and 12.7% in the boys and girls, respectively, and obesity was 6.0% and 6.74% in the two groups, respectively. The children were grouped according to the province to which they belonged, and prevalence of obesity and overweight were calculated for each province. The highest frequency was in the Eastern Province, while the lowest was in the Southern Province. The children were further grouped into 1-6, 6-12 and 12-18-year-olds and prevalence of obesity and overweight was calculated. In addition, at yearly intervals, the prevalence of obesity and overweight was calculated. Among the boys and girls, the maximum prevalence of obesity was in the 2-3 year-olds. A decrease in prevalence was found in both males and females up to the age group of 8-13 years, and then the prevalence increased again up to the 18 years age. This epidemiological household survey shows the overweight and obesity trends in Saudi children based on the international sex-specific cut-off points for BMI. It also shows a variable prevalence in different age groups until after 13 years, when the prevalence rate increases.