Table 1.

Linear regression models relating paternal age and grandparental age to telomere lengths (relative T/S ratios) in 21- to 23-y-old offspring (both sexes pooled)

	Model 1	Model 2	Model 3	Model 4	Model 5	Model 6	Model 7	Model 8
Age (self)†	−0.048**	−0.056**	−0.048**	0.0068	−0.010	−0.0013	0.022	0.023
Male	−0.031***	−0.035***	−0.031***	−0.055*	−0.061**	−0.054*	−0.063***	−0.073***
Male × age (self)†	−0.030	−0.025	−0.030	−0.071	−0.062	−0.086	−0.13*	−0.11*
Father’s age	0.0027***	0.0030**	0.0029**	0.0035‡	0.0034	0.0041
Birth order		−0.0019
Family income (log)		0.0041			−0.00074
BMI		0.0012			0.0058
Mother's age			−0.00030
Father's father's age				0.0029*	0.0026‡	0.0029
Father's mother's age						−0.000028
Mother's father's age							0.0011	−0.00061
Mother's mother's age								0.0025
Constant	0.72***	0.67***	0.72***	0.62***	0.52***	0.61***	0.76***	0.74***
Observations	1,681	1,602	1,681	234	218	194	342	288
Adjusted R2	0.032	0.034	0.031	0.045	0.048	0.038	0.047	0.059

Values are β-coefficients; ^‡P < 0.10; *P < 0.05; **P < 0.01; and ***P < 0.001.

^†Age is mean centered.