| Literature DB >> 2741560 |
Abstract
Using the statistics of mortality of Caucasian population of 48 states of the USA (1969-1971) it was demonstrated that the real age dynamics of human mortality may differ significantly both from the Gompertz law and from the Gompertz-Makeham law. Using of the Gompertz-Makeham formula leads to appearance of negative A value in 77 cases out of 96. This makes it difficult to interpret this parameter as a "background" component of mortality. Using of the Gompertz formula in different age groups leads uncoordinated changes in alpha and R0 values in every state. Hence, it is impossible to plot geographically stable characters for Gompertz parameters alpha for subsequent epidemiological analysis. The "aging rate", estimated by parameter is not stable throughout the life span of 30-92 years, but changes with certain pattern.Entities:
Keywords: Americas; Cultural Background; Demographic Factors; Developed Countries; Ethnic Groups; Mathematical Model; Measurement; Models, Theoretical; Mortality; North America; Northern America; Population; Population Characteristics; Population Dynamics; Research Methodology; United States; Whites
Mesh:
Year: 1989 PMID: 2741560
Source DB: PubMed Journal: Zh Obshch Biol ISSN: 0044-4596 Impact factor: 0.465