Table 2.

The γ-Gompertz estimates for Polish Olympic Athletes and the general population born from 1890 to 1959

		95% CI
	Estimate	Lower	Upper
Cohort I: 1890–1919
Olympic athletes
a	0.00010	0.00000	0.38284
b	0.08616	0.04732	0.15687
γ	0.34274	0.00162	72.65723
General population
a	0.00276	0.00266	0.00285
b	0.09762	0.09707	0.09817
γ	0.14099	0.13579	0.14640
Cohort II: 1920–1959
Olympic athletes
a	0.00005	0.00000	0.03921
b	0.08467	0.04995	0.14352
γ	1.15127	0.54109	2.44959
General population
a	0.00196	0.00192	0.00201
b	0.08327	0.08282	0.08371
γ	0.22621	0.21741	0.23536

The estimates were obtained from MLE and were expressed to the nearest five decimal place. Parameters: a represents the magnitude of the hazard; b represents the rate of ageing; γ represents unobserved heterogeneity.