Determinants of body composition measured by dual-energy X-ray absorptiometry in Dutch children and adolescents
Determinants of body composition measured by dual-energy X-ray absorptiometry in Dutch children and adolescents
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DOI：
10.1093/ajcn/66.2.232
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发表时间：
1997-08-01
影响因子：
7.1
通讯作者：
KeizerSchrama, SMPFD
中科院分区：
文献类型：
--
作者：
Boot, AM;Bouquet, J;KeizerSchrama, SMPFD
关于身体组成的知识在代谢和营养研究中很重要。在这项横断面研究中，403健康的荷兰儿童和青少年的身体成分进行了评估，使用双能X线吸收法（DXA）。分析了身体成分的可能决定因素。对85例受试者的生物电阻抗分析（BIA）结果与DXA结果进行了比较。年龄较大的男孩和女孩的脂肪量、瘦组织量和骨矿物质含量更高。年龄较大的女孩体内脂肪百分比更高，但男孩没有，而且在所有年龄段，女孩体内脂肪百分比都高于男孩。从14岁开始，男孩的瘦组织质量和骨矿物质含量高于女孩。两性的坦纳分期与体成分有显著相关。男孩的体脂百分比在第4阶段低于第3阶段，女孩在连续的坦纳阶段高于第3阶段。校正年龄后，男孩和女孩的坦纳分期与瘦组织质量和骨矿物质含量呈显著正相关，女孩的体脂百分比和脂肪质量呈显著正相关。父母职业、父亲文化程度与女童体脂率、脂肪量呈显著负相关（P < 0.01）。体力活动与瘦组织质量（P = 0.001），但不调整年龄后的男孩脂肪量。高相关性和小的差异被发现之间的瘦体重BL？DXA测瘦组织重量。健康荷兰儿童和青少年的身体组成与年龄、性别、坦纳分期、社会经济地位和身体活动有关。
Knowledge about body composition is important in metabolic and nutritional studies. In this cross-sectional study the body composition of 403 healthy awhile Dutch children and adolescents was evaluated by using dual-energy X-ray absorptiometry (DXA). Possible determinants of body composition were analyzed. In 85 subjects the results of bioelectrical impedance analysis (BIA) were compared with DXA. Fat mass, lean tissue mass, and bone mineral content were greater in older boys and girls. Percentage body fat was greater in older girls but not in boys and it was higher in girls than in boys at all ages. From the age of 14 y boys had higher lean tissue mass and bone mineral content than girls. Tanner stage had a significant relation with body composition in both sexes. Percentage body fat was lower in boys in stage 4 than in stage 3 and was higher in consecutive Tanner stages in girls. After adjustment for age, Tanner stage was significantly positively related to lean tissue mass and bone mineral content in boys and girls and to percentage body fat and fat mass in girls. The profession of the parents and the education of the father had a significant negative correlation with percentage body fat and fat mass in girls (P < 0.01). Physical activity was related to lean tissue mass (P = 0.001) but not to fat mass in boys after adjustment for age. A high correlation and a small difference was found between lean body mass by BL?I and lean tissue mass by DXA. Body composition in healthy Dutch children and adolescents is related to age, sex, Tanner stage, socioeconomic status, and physical activity.