Table 2.
Parameters of the Gompertz Model for Mortality of the Studied Groups of Siblings*
| Group of Siblings | Slope Parameter (α) ± Standard Error | Intercept Parameter (R) × 105 ± Standard Error |
|---|---|---|
| Men | ||
| Siblings of centenarians | 0.090 ± 0.002 | 4.98 ± 0.77 |
| Born to short-lived parents | 0.084 ± 0.003 | 9.08 ± 2.16 |
| Born to long-lived parents | 0.093 ± 0.004 | 3.41 ± 1.19 |
| Siblings of short-lived persons (died at age 65 years) | 0.079 ± 0.002 | 20.33 ± 3.24 |
| Born to short-lived parents | 0.079 ± 0.003 | 21.70 ± 5.29 |
| Born to long-lived parents | 0.079 ± 0.006 | 15.52 ± 7.33 |
| Women | ||
| Siblings of centenarians | 0.101 ± 0.003 | 1.32 ± 0.31 |
| Born to short-lived parents | 0.084 ± 0.003 | 5.90 ± 1.71 |
| Born to long-lived parents | 0.135 ± 0.009 | 0.074 ± 0.056 |
| Siblings of short-lived persons (died at age 65 years) | 0.085 ± 0.002 | 8.18 ± 1.31 |
| Born to short-lived parents | 0.082 ± 0.002 | 11.04 ± 2.09 |
| Born to long-lived parents | 0.097 ± 0.008 | 2.64 ± 1.66 |
*Parameters of the Gompertz model were estimated in the age interval 50–90 years using weighted nonlinear regression with weights equal to age-specific exposure values.