Testing the value of skeletal samples in demographic research: a comparison with vital registration samples

Abstract

Critics of paleodemography have suggested that the science is so fraught with error that its demise must be close at hand. Among the problems suggested as unsolvable are representativeness of skeletal samples and inaccuray of skeletal aging techniques. A historical skeletal sample with supportive vital registration might afford the opportunity to test the validity of such criticism or at least to examine the extent of the above problems. In 1984, a skeletal sample of 296 individuals was excavated from a 19th century American poorhouse cemetery. Age at death was determined by macroscopic multivariate examination. Mortality records of 247 individuals who died during four years of the poorhouse's operation provide data for demographic comparisons with the skeletal sample. A comparison of life tables generated from each sample demostrates that there are no significant differences in the age at death structure, life expectancy (at birth: 30.7 in the mortality records and 32.6 from the skeletal sample), or survivorship between the two samples. Skeletal aging techniques can, therefore, provide a demographic picture that is similar in accuracy to that presented by vital registration records.

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