Table 2.

Differences in correlation coefficients of telomere length between paternal and maternal pairs.

	Za	tb	Confidence intervalc	p valued
Grandfather–parent vs. grandmother–parent	0.90	0.94	0.13–0.37	0.35
Father–newborn vs. mother–newborn	1.55	1.64	0.07–0.58	0.12
Paternal grandfather–newborn vs. paternal grandmother–newborn	0.16	0.16	0.34–0.40	0.88
Maternal grandfather–newborn vs. maternal grandmother–newborn	1.11	1.10	0.16–0.53	0.27
Paternal grandfather–newborn vs. maternal grandfather–newborn	0.20	0.20	0.36–0.44	0.85
Paternal grandmother–newborn vs. maternal grandmother–newborn	1.38	1.37	0.13–0.63	0.17

^aBy Pearson and Filon’s method

^bBy Hotelling’s method

^cBy Zou’s method

^dA comparison (two-sided, alpha = 0.05, confidence level = 0.95) of two overlapping correlations based on dependent groups by the cocor package