Key result
Childhood overweight and obesity linked to ~25-fold higher prevalence of hypertension vs normal weight.
Why the study?
Does overweight or obesity increase the risk of elevated blood pressure in primary-school children?
Cross-Sectional (n=1,885)
Does overweight or obesity increase the risk of elevated blood pressure in primary-school children?
Absolute Event Rate: 10% vs 0.4%
p-value: p=<0.05
Childhood overweight and obesity are strongly associated with higher rates of prehypertension and hypertension, emphasizing the need for early nutritional and lifestyle interventions.
May support BP screening in overweight schoolchildren; leaves open whether weight reduction prevents sustained hypertension.
Hypertension and obesity in children are increasing concerns worldwide. A cross-sectional study of hypertension in relation to overweight/obesity was conducted in 2009 among schoolchildren aged 6-16 years in Aden, Yemen. Using multistage stratified random sampling 1885 children were classified into wasted, normal weight, overweight and obese according to body mass index. The prevalence of wasting was 10.1%, normal weight 69.2%, overweight 12.7% and obesity 8.0%. The rate of high blood pressure (World Health Organization criteria) was 8.2% for prehypertension and 2.4% for hypertension and was significantly related to the presence of overweight or obesity. Child's body mass index combined with age was a predictor for systolic and diastolic blood pressure. The study provides further evidence that overweight/obesity is associated with hypertension in these schoolchildren.
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Badi et al. (2012) conducted a cross-sectional in Hypertension / Obesity (n=1,885). Overweight or obesity vs. Normal weight or wasted was evaluated on Hypertension (p=<0.05). Overweight and obesity in schoolchildren were associated with a significantly higher prevalence of hypertension (10.0% vs 0.4%) and prehypertension (21.8% vs 4.7%) compared to those with normal weight or wasting.
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