Table 5.

Hazard Ratios From Cox Regression of Incident Stroke by Race and Birth Cohort Tertile

	American Indian vs Black	American Indian vs White
	Hazard Ratio (95% CI)	Hazard Ratio (95% CI)
Women
Unadjusted
Birth years 1920 to 1931	0.84 (0.62, 1.14)	1.79 (1.35, 2.38)
Birth years 1932 to 1938	0.91 (0.61, 1.38)	2.24 (1.51, 3.34)
Birth years 1939 to 1947	1.06 (0.71, 1.59)	3.52 (2.26, 5.49)
Adjusted for birth year
Birth years 1920 to 1931	0.79 (0.56, 1.10)	1.68 (1.22, 2.29)
Birth years 1932 to 1938	0.92 (0.61, 1.38)	2.34 (1.50, 3.34)
Birth years 1939 to 1947	1.16 (0.77, 1.74)	3.87 (2.46, 6.06)
Adjusted for all covariatesa
Birth years 1920 to 1931	0.73 (0.52, 1.04)	1.11 (0.78, 1.58)
Birth years 1932 to 1938	0.75 (0.51, 1.19)	1.12 (0.71, 1.75)
Birth years 1939 to 1947	0.82 (0.52, 1.28)	1.48 (0.89, 2.46)
Men
Unadjusted
Birth years 1920 to 1931	0.97 (0.67, 1.41)	1.62 (1.18, 2.22)
Birth years 1932 to 1938	0.82 (0.52, 1.29)	1.64 (1.18, 2.29)
Birth years 1939 to 1947	0.53 (0.32, 0.91)	1.29 (0.89, 1.86)
Adjusted for birth year
Birth years 1920 to 1931	0.98 (0.67, 1.44)	2.09 (1.36, 3.21)
Birth years 1932 to 1938	0.82 (0.52, 1.29)	2.11 (1.37, 3.25)
Birth years 1939 to 1947	0.54 (0.31, 0.92)	1.14 (0.71, 1.83)
Adjusted for all covariatesa
Birth years 1920 to 1931	0.98 (0.67, 1.47)	1.50 (0.88, 2.54)
Birth years 1932 to 1938	0.68 (0.42, 1.09)	1.50 (0.87, 2.59)
Birth years 1939 to 1947	0.42 (0.24, 0.74)	0.75 (0.42, 1.33)

^aAdjusted for birth year, education, alcohol consumption, smoking, body mass index, and prevalent disease (cardiovascular disease, hypertension, or diabetes mellitus).