Skip to main content
. Author manuscript; available in PMC: 2010 Nov 30.
Published in final edited form as: Neurology. 2009 Nov;73(21):1729–1737. doi: 10.1212/WNL.0b013e3181c34b0c

Table 5.

Cox proportional hazards models for the incidence of dementia and Alzheimer’s Disease according to HT use.

Exposure N Incidence of Dementia (n=79 cases) N Incidence of Alzheimer’s Disease (n=53 cases)b
Unadjusted HR [95% CI] p Multivariate HR [95% CI] p Unadjusted HR [95% CI] p Multivariate HR [95% CI] p

Never use of HT 2169 1 1 2146 1 1
Past use of HT 487 0.76 (0.38–1.51) 0.43 0.74 (0.35–1.55) 0.42 485 0.79 (0.34–1.83) 0.57 0. 39 (0.39–2.23) 0.86
Current use of HT 474 1.04 (0.43–2.50) 0.94 0.83 (0.32–2.17) 0.70 473 1.61 (0.60–4.32) 0.34 1.36 (0.44–4.20) 0.59

Apoe-ε4 + (all women) 3130 2.35 (1.53–3.60) <0.001 2.27 (1.48–3.49) <0.001 3104 2.38 (1.42–4.00) 0.001 2.21 (1.31–3.74) 0.003
Apoe-ε4 − & never HT user 1773 1 1 1757 1 1
Apoe-ε4 − & past HT user 389 0.61 (0.25–1.53) 0.30 0.54 (0.22–1.35) 0.19 387 0.56 (0.17–1.82) 0.34 0.48 (0.15–1.57) 0.23
Apoe-ε4 − & current HT user 371 1.35 (0.52–3.53) 0.54 1.05 (0.41–2.73) 0.92 370 2.01 (0.67–5.97) 0.21 1.45 (0.49–4.32) 0.51
Apoe-ε4 + & never HT user 396 2.33 (1.47–3.71) <0.001 2.24 (1.41–3.56) <0.001 389 2.29 (1.30–4.05) 0.004 2.13 (1.20–3.80) 0.01
Apoe-ε4 + & past HT user 98 2.58 (0.92–7.23) 0.07 2.33 (0.83–6.53) 0.11 98 3.24 (0.98–10.7) 0.05 2.54 (0.76–8.53) 0.13
Apoe-ε4 + & current HT user 103 1.13 (0.15–8.39) 0.91 0.87 (0.12–6.52) 0.89 103 2.17 (0.28–16.6) 0.46 1.47 (0.19–11.5) 0.71
a

Adjusted for age, education level, centre, high caffeine consumption, depressive symptoms, physical incapacities, comorbidity, marital status, anticholinergic drugs, body mass index and age at menopause (adjustment was also made for Apoe-ε4 when the association with HT use was examined).