Giugliano Rodolfo, Melo Ana L P
Universidade Católica de Brasília, Laboratório de Avaliação Nutricional, Taguatinga, DF.
J Pediatr (Rio J). 2004 Mar-Apr;80(2):129-34.
To evaluate the agreement between the body mass index international standard and body fat for the diagnosis of overweight and obesity in schoolchildren.
528 schoolchildren between 6 and 10 years of age, of both sexes, had their weight and height measured. They were then classified as normal, underweight, overweight or obese using the body fat index for age. Body fat was estimated based on the sum of triceps and subscapular, triceps and calf skinfold measurements and waist and hip circumference.
Overweight and obesity were found in 21.2% of the girls and 18.8% of the boys. The average percentage of body fat in the normal children (17.7%) was statistically different from that of overweight (27%) and obese (29.4%) children (p < 0.02). The average waist and hip circumference also differed significantly between normal boys and girls (56.9 cm and 67.7 cm) and overweight children (65.9 cm and 77 cm) (p < 0.01). There was no significant difference between groups in terms of average waist to hip ratio. The percentage of body fat, waist and hip circumference were significantly correlated with body mass index (p < 0.01).
Body mass index for age was an adequate indicator of overweight and obesity in group studied, with a good agreement with body fat.
评估国际身体质量指数标准与体脂率在诊断学龄儿童超重和肥胖方面的一致性。
对528名6至10岁的学龄儿童（男女均有）测量体重和身高。然后使用年龄别体脂指数将他们分类为正常、体重不足、超重或肥胖。体脂率根据肱三头肌和肩胛下、肱三头肌和小腿皮褶厚度测量值以及腰围和臀围之和进行估算。
发现21.2%的女孩和18.8%的男孩超重或肥胖。正常儿童的平均体脂率（17.7%）与超重儿童（27%）和肥胖儿童（29.4%）的平均体脂率在统计学上存在差异（p < 0.02）。正常男孩和女孩的平均腰围和臀围（分别为56.9厘米和67.7厘米）与超重儿童（分别为65.9厘米和77厘米）之间也存在显著差异（p < 0.01）。各组之间的平均腰臀比没有显著差异。体脂率、腰围和臀围与身体质量指数显著相关（p < 0.01）。
在所研究的群体中，年龄别身体质量指数是超重和肥胖的一个适当指标，与体脂率具有良好的一致性。
