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Comparison of TW1 and TW2 skeletal age differences in American Black and White and in Mexican children 6–13 years of age

1981; Informa; Volume: 8; Issue: 6 Linguagem: Inglês

10.1080/03014468100005381

1464-5033

Robert M. Malina, Bertis B. Little,

Forensic Anthropology and Bioarchaeology Studies

SummaryDifferences in Tanner-Whitehouse (TW) skeletal ages as derived from the original (TW1) and revised (TW2) systems were compared in three ethnically different samples of children 6–13 years of age: mixed longitudinal samples of American White and Black children from Philadelphia, and a cross-sectional sample of Mexican children from Oaxaca in southern Mexico. TW2 skeletal ages are, on average, consistently lower than TW1 skeletal ages. Within a given chronological age and sex group, the differences are similar in terms of means and variation about the means in better-off children, both Black and White in Philadelphia and in disadvantaged Mexican children.