Table 3.

Proportional hazard competing risk^* of dementia by mid-life systolic blood pressure, treatment status, and age strata: HHP/HAAS

Systolic Blood Pressure (mmHG)	Treated with anti-hypertensive meds				Untreated
	<50 yrs old (n=631)		≥50 yrs old (n=2602)		<50 yrs old (n=688)		≥50 yrs old (n=3464)
	RR* (95% CI)†		RR* (95% CI)†		RR* (95% CI)†		RR* (95% CI)†
	reference‡		reference‡		reference‡		reference‡
Normotensive (<120)	1.04	(0.96–1.13)	0.92	(0.88–0.98)			1.02	(0.95–1.08)
Prehypertension (120 – <140)	1.12	(0.90–1.40)	0.84	(0.75–0.95)	1.54	(1.20–1.96)	1.03	(0.90–1.18)
Hypertension (≥ 140)	1.19	(0.85–1.66)	0.76	(0.65–0.93)	2.29	(1.41–3.61)	1.05	(0.86–1.27)

^*Adjusted for competing risk of death

^†1000 bootstrapped 95% CI for all competing risk RR

^‡Reference group (n = 493) includes untreated men with normal blood pressure who are < 50 years of age at baseline in 1965