Table 2: Odds Ratios for High School Graduation of Youngest Sibling, for the whole population, and for males and females separately.

^aAdjusted for all variables in Table 1

	All (n = 5,771)	Male (n = 2,986)	Female (n = 2,785)
Older Sibling High School Graduation Status	Adjusted a Odds Ratio	Adjusted a Odds Ratio	Adjusted a Odds Ratio
(Reference = Neither Sibling Graduated)	(95% CI)	(95% CI)
Only Oldest Sibling Graduated	1.3 (0.9, 2.0)	0.8 (0.4, 1.3)	2.3 (1.2, 4.3)
Only Middle Sibling Graduated	2.1 (1.4, 3.2)	1.4 (0.3, 2.5)	3.2 (1.7, 6.1)
Both Siblings Graduated	4.9 (3.5, 7.0)	3.7 (2.3, 5.9)	6.6 (3.9, 11.0)
C-Statistic	0.912	0.9	0.923