Testing evolutionary hypotheses about human biological adaptation using cross-cultural comparison

Comparative Biochemistry and Physiology. Part A: Molecular and Integrative Physiology • Vol/Iss. 136(1) • Elsevier • • Published In • Pages: 85-94 •
By Mace, Ruth, Jordan, Fiona M., Holden, Clare

Hypothesis

Sex ratio at birth will be negatively correlated with the mortality rate of those under 1 year of age.

Test

Test NameSupportSignificanceCoefficientTail
Phylogenetic method CONTINUOUS of Pagel (1999)Supportedp < 0.05r = -0.23UNKNOWN

Variables

Variable NameVariable Type OCM Term(s)
Sex ratio at birthDependentBirth Statistics
Mortality rate of those under 1 year of ageIndependentMortality