Table 3.

Results by education: Coefficients from linear probability model controlling for the subcategories of education, cohort dummy variables, and a quadratic polynomial in age at first birth

	Died Between 1991 and 2010	Lung Cancer/COPD	Heart Attack/Stroke
	(1)	(2)	(3)
A. Primary Schooling
Twins	0.028*	0.018**	0.021*
	(0.012)	(0.006)	(0.010)
Same-sex twins	0.027†	0.020*	0.023†
	(0.015)	(0.008)	(0.012)
Unconditional mean	0.318	0.050	0.157
Number of observations	237,558	237,558	237,558
B. Secondary Schooling
Twins	0.032*	-0.003	0.001
	(0.016)	(0.007)	(0.011)
Same-sex twins	0.028	-0.005	-0.002
	(0.020)	(0.008)	(0.014)
Unconditional mean	0.262	0.042	0.119
Number of observations	120,340	120,340	120,340
C. Tertiary Schooling
Twins	0.084**	0.022*	0.041*
	(0.023)	(0.011)	(0.017)
Same-sex twins	0.099**	0.020	0.055**
	(0.028)	(0.013)	(0.021)
Unconditional mean	0.195	0.024	0.075
Number of observations	46,388	46,388	46,388

Notes: Each coefficient-standard error pair comes from a separate regression. Robust standard errors are shown in parentheses.

^†p < .10; *p < .05; **p < .01