1993
DOI: 10.1002/ajpa.1330920206
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Sexual dimorphism in schoolchildren of the Villa IAPI neighborhood (Quilmes, Buenos Aires, Argentina)

Abstract: Villa IAPI is a poor neighborhood of about 5,000 inhabitants in the overpopulated conurbano bonaerense at the outskirts of the city of Buenos Aires. Most of the adult male residents are construction workers; the rest are temporary workers, underemployed, or unemployed. The inhabitants of Villa IAPI suffer the effects of many adverse socio-economic conditions, including poor nutrition, deficient sanitation, and inadequate medical care. Seven anthropometric variables were measured on 765 children from 6 to 14 ye… Show more

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Cited by 19 publications
(19 citation statements)
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References 21 publications
(17 reference statements)
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“…As for Phantom Z-scores, results showed negative values for both genders and also revealed a trend of increase in weight as age advances, in which girls had higher body weight than boys from 6 to 12 years of age. This pattern of sexual dimorphism, observed in the present study, can be considered as an example of early dimorphism, since Pucciarelli et al 21 consider two types of sexual dimorphism: early and delayed, the first manifesting at pre-pubertal stages and the latter at pubertal stages. Shephard et al 10 consider that this phenomenon is probably due to a progressive and higher subcutaneous fat accumulation observed since the first years of primary school and that, according to Tanner 22 , is attributable to genetic and hormonal factors.…”
Section: Body Weightsupporting
confidence: 71%
“…As for Phantom Z-scores, results showed negative values for both genders and also revealed a trend of increase in weight as age advances, in which girls had higher body weight than boys from 6 to 12 years of age. This pattern of sexual dimorphism, observed in the present study, can be considered as an example of early dimorphism, since Pucciarelli et al 21 consider two types of sexual dimorphism: early and delayed, the first manifesting at pre-pubertal stages and the latter at pubertal stages. Shephard et al 10 consider that this phenomenon is probably due to a progressive and higher subcutaneous fat accumulation observed since the first years of primary school and that, according to Tanner 22 , is attributable to genetic and hormonal factors.…”
Section: Body Weightsupporting
confidence: 71%
“…Los resultados del compartimento graso y masa muscular, revelan un dismorfismo sexual en la población en estudio, el cual se hace visible por valores significativamente más altos del pliegue tricipital en mujeres respecto a los varones, tanto en el 1º y 2º ciclo, (P=0,007, P<0,001 respectivamente), y de igual forma en los valores de AMB que fueron menores en mujeres, resultados que coinciden con estudios realizados en población adolescente (28,29). Dada la importancia de estos indicadores como parámetros de estimación de los componentes graso y magro (30), se confirma que las mujeres presentaron un mayor componente graso (PT) y menor componente muscular, el cual se podría relacionar con el sobrepeso, y en el caso de los varones la mayor prevalencia de obesidad se relacionaría con la mayor prevalencia de AGB detectada.…”
Section: Discussionunclassified
“…Entre las posibles causas para la menor frecuencia de actividad física en las niñas del estudio, posiblemente se incluyen la ausencia de una cultura del deporte femenino (por el contrario, la mayoría de los niños juegan fútbol o montan bicicleta) en nuestro país, así como una tendencia generalizada hacia una mayor actividad motora en el sexo masculino en estas edades, como se ha reportado previamente (41). Aunque no se puede descartar que las diferencias se deban en parte a la relativa inexactitud del autorreporte de actividad física, las variables asociadas de sexo y tipo de colegio se correlacionaron de forma consistente en las dos grupos de población estudiados, tal como se ha asociado en reportes previos (36,39,41), lo que le brinda plausibilidad a los hallazgos.…”
Section: Figuraunclassified
“…Aunque no se puede descartar que las diferencias se deban en parte a la relativa inexactitud del autorreporte de actividad física, las variables asociadas de sexo y tipo de colegio se correlacionaron de forma consistente en las dos grupos de población estudiados, tal como se ha asociado en reportes previos (36,39,41), lo que le brinda plausibilidad a los hallazgos.…”
Section: Figuraunclassified
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