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Table 2 Testing the constant senescence hypothesis

From: The effect of disease burden on the speed of aging: an analysis of the Sardinian mortality transition

  Sardinia - males Sardinia - females Italy - males Italy - females
Estimate SE Estimate SE Estimate SE Estimate SE
Equation 5
 Rate of aging
  All cohorts 0.19 0.016 0.18 0.013 0.097 0.006 0.11 0.081
 σ2 (mean value) [0.98] [0.81] [0.10] [0.14]
R2 0.11 0.12 0.02 0.05
Equation 6
 Rate of aging
  Cohorts 1860–1869 0.35 0.107 0.25 0.072
  Cohorts 1870–1879 0.22 0.037 0.20 0.035 0.13 0.014 0.12 0.014
  Cohorts 1880–1889 0.21 0.034 0.20 0.028 0.11 0.011 0.12 0.010
  Cohorts 1890–1899 0.22 0.029 0.23 0.023 0.10 0.012 0.11 0.009
  Cohorts 1900–1908 0.10 0.031 0.09 0.023 0.08 0.01 0.10 0.007
 σ2 (mean value) [1.07] [0.91] [0.12] [0.15]
R2 0.12 0.15 0.04 0.06
ANOVA F stat. Pr(> F) F stat. Pr(> F) F stat. Pr(> F) F stat. Pr(> F)
2.92 0.02 5.82 < 0.001 3.53 0.01 0.71 0.55
  1. Source: Authors’ calculations on HMD data