Table 4.

Education-Stratified Poisson Regressions Predicting Incident Dementia From Birth Cohort

	No College Education (N = 1992)			Some College Education (N = 1018)
	IRR	95% CI for IRR	p	IRR	95% CI for IRR	p
Born 1902–1911 (referent)
Born 1912–1921	0.704	0.495–1.000	.050	0.404	0.205–0.799	.009
Born 1922–1931	0.325	0.207–0.509	<.001	0.376	0.199–0.709	.003
Born 1932–1941	0.316	0.151–0.663	.002	0.098	0.027–0.363	.001
Female sex	1.060	0.784–1.432	.707	0.754	0.456–1.247	.272
Baseline age, y	1.087	1.065–1.108	<.001	1.094	1.049–1.141	<.001

Note: IRR = incident rate ratio; referents: born 1902–1911, male sex.