Hypertension and Dementia in the Elderly: The Leisure World Cohort Study

Table 3

Hazard ratios for dementia by hypertension and its treatment in women, Leisure World Cohort Study, 1981–2010.

	Aged <75 years				75+ years
	No.	No. with dementia	HR	95% CI	No.	No. with dementia	HR	95% CI
Hypertension and treatment
No hypertension and no treatment	2131	479	1.00		1522	345	1.00
Hypertension but no treatment	1054	177	0.88	0.74–1.05	937	155	0.91	0.76–1.11
Past treatment	1011	202	0.90	0.77–1.06	685	137	0.92	0.75–1.12
Current treatment	750	148	0.99	0.82–1.19	787	149	1.21	1.00–1.47
Current hypertensive medication
No	4196	858	1.00		3144	637	1.00
Yes	750	148	1.04	0.87–1.24	787	149	1.26	1.06–1.51