Ireton M J, Carrillo J C, Caro L E
Auxology Unit, Faculty of Medicine, Universidad Nacional de Colombia, Bogota, Colombia.
Ann Hum Biol. 2011 Jan;38(1):39-52. doi: 10.3109/03014460.2010.487497. Epub 2010 Jun 9.
Biometric information obtained from cross-sectional studies works as a mirror of individual and collective life conditions at a given moment and allows assessment of secular trends in growth.
The purpose of this study was to evaluate growth and growth velocity for height and weight, to determine the BMI and the sexual maturation characteristics of a pre-selected urban sample of subjects from El Yopal and to compare the results with those from others countries.
In 2000-2001, 1039 schoolchildren (517 girls and 522 boys) were evaluated in the age range of 6-18 years. Low, medium and high socio-economic status (SES) were determined from monthly family income. Sexual development (Tanner-Whitehouse scale) and age of menarche (status quo method) were also determined. The LMS method was used to establish biometric centiles and the general logistic model was used to establish the median age for different stages of puberty.
Height, Girls: 155.4 cm, at 17.3 years with maximum yearly increment (myi) of 6.24 cm, at 11.10 years. Boys: 166.9 cm, at 18.0 years with myi of 6.48 cm, at 13.60 years. Weight, Girls: 52.5 kg, at 17.3 years with myi of 4.92 kg, at 11.98 years. Boys: 59.2 kg, at 18.0 years with myi of 4.88 kg, at 12.99 years. BMI at 18.0 years, Girls: 22.16 kg/m(2), Boys: 21.05 kg/m(2). Female puberty by stage of breast B2 began at 10.21 ± 1.16 years (mean ± SD). Male puberty by stage of genitalia G2 began at 11.53 ± 1.07 years.
The findings show lower height values and lower weight values, except for the Cuban reference, for both sexes; an early onset of puberty in girls and a prolonged puberty in boys when compared with other Caribbean, Central and South American females and males.
从横断面研究中获得的生物特征信息可反映特定时刻个人和集体的生活状况，并有助于评估生长的长期趋势。
本研究旨在评估身高和体重的生长及生长速度，确定来自耶帕尔的预先选定的城市样本对象的体重指数（BMI）和性成熟特征，并将结果与其他国家的结果进行比较。
2000 - 2001年，对1039名6至18岁的学童（517名女孩和522名男孩）进行了评估。根据家庭月收入确定低、中、高社会经济地位（SES）。还确定了性发育情况（坦纳 - 怀特豪斯量表）和月经初潮年龄（现状法）。采用LMS方法建立生物特征百分位数，并使用一般逻辑模型确定青春期不同阶段的中位年龄。
身高，女孩：17.3岁时为155.4厘米，11.10岁时年最大增长量（myi）为6.24厘米。男孩：18.0岁时为166.9厘米，13.60岁时myi为6.48厘米。体重，女孩：17.3岁时为52.5千克，11.98岁时myi为4.92千克。男孩：18.0岁时为59.2千克，12.99岁时myi为4.88千克。18.0岁时的BMI，女孩：22.16千克/平方米，男孩：21.05千克/平方米。乳房发育到B2期的女性青春期始于10.21±1.16岁（均值±标准差）。生殖器发育到G2期的男性青春期始于11.53±1.07岁。
研究结果表明，与其他加勒比地区、中美洲和南美洲的女性和男性相比，除古巴参考标准外，两性的身高值和体重值均较低；女孩青春期开始较早，男孩青春期持续时间较长。
