. Author manuscript; available in PMC: 2019 Aug 1.

Published in final edited form as: Demography. 2018 Aug;55(4):1245–1267. doi: 10.1007/s13524-018-0696-1

Table 4.

Hazard ratios for the risk of reproductive events and polygenic score (PGS) for age at first birth: Unrelated non-Hispanic white females

	Menarche		First Sex		First Birth

Father Absent	1.24^***	1.23^***	1.49^***	1.47^***	1.52^***	1.47^***
	(0.05)	(0.05)	(0.06)	(0.06)	(0.08)	(0.08)
Age at First Birth PGS	1.07^***	1.07^***	1.20^***	1.20^***	1.28^***	1.26^***
	(0.02)	(0.02)	(0.02)	(0.02)	(0.03)	(0.03)
Age	One-year intervals 7–17		One-year intervals 15–28		One-year intervals 15–31
Events	2,681		2,582		1,517
N	2,681		2,681		2,681

Notes: Results from complementary log-log hazard models for reproductive timing demonstrate independent and additive associations of father absence and the polygenic score for age at first birth. Models control for yearly age intervals for the range specified. Standard errors are shown in parentheses. All models include appropriate sample weights and correct for clustered sampling design.

^***

p < .001