. Author manuscript; available in PMC: 2019 Sep 18.

Published in final edited form as: Am Sociol Rev. 2018 Jul 20;83(4):802–832. doi: 10.1177/0003122418785368

Table 7.

Mediation models: Marginal effects from probit models of ever regular smoking in Add Health by mean parental education in a school, controlling for respondent’s educational attainment

	Low maternal education		Average maternal education		High maternal education

	Education control		Education control		Education control

	No	Yes	No	Yes	No	Yes

PGS for education	−0.070^***	−0.031^*	−0.064^***	−0.025^*	−0.065^***	−0.021
	(0.013)	(0.014)	(0.013)	(0.011)	(0.014)	(0.014)
Years of education	—	−0.054^***	—	−0.066^***	—	−0.071^***
	—	(0.006)	—	(0.006)	—	(0.007)

% Mediated	55.7%		60.9%		67.7%

N	1,392		1,447		1,332

^***

p<0.001,

^**

p<0.01,

p<0.05; Robust standard errors in parentheses; PGS: Polygenic score

Models control for genetic sex, year of birth, and their interaction. All variables are held at their means to estimate marginal effects.

School type is determined by average maternal education among the school’s students.