Table 2 Frequency of the risk factors in the study population
From: Risk factors for dementia in the epidemiological study of Munguialde County (Basque Country-Spain)
Characteristic | Dementia N = 175 | AD N = 133 | VD N = 15 | Healthy Subjects N = 1756 | P value. Dementia Versus Healthy Subjects |
|---|---|---|---|---|---|
Sex | |||||
Female | 127(72.6%) | 101(75.9%) | 10(66.7%) | 950(54.1%) | < 0.001 |
Male | 48 (27.4%) | 32 (24.1%) | 5 (33.3%) | 806(45.9%) | < 0.001 |
Age group | |||||
65–69 | 10 (5.7%) | 7 (5.3%) | 1 (6.7%) | 501(28.5%) | < 0.001 |
70–74 | 30 (17.1%) | 19 (14.3%) | 4 (26.7%) | 542(30.9%) | < 0.001 |
75–79 | 31 (17.7%) | 24 (18%) | 3 (20%) | 364(20.7%) | < 0.001 |
80–84 | 34 (19.4%) | 23 (17.3%) | 6 (40%) | 217(12.4%) | < 0.001 |
≥ 85 | 70 (40%) | 60 (45.1%) | 1 (6.7%) | 132 (7.5%) | < 0.001 |
Educational level | |||||
Illiterate | 76 (43.4%) | 57 (42.9%) | 8 (53.3%) | 445(25.3%) | <0.001 |
Primary-Secondary | 95 (54.3%) | 74 (55.6%) | 6 (40%) | 1198(68.2%) | <0.001 |
Higher | 4 (2.3%) | 2 (1.5%) | 1 (6.7%) | 113 (6.4%) | <0.001 |
Risk factors | |||||
Hypertension | 63 (36%) | 46 (34.6%) | 6 (40%) | 693(39.5%) | 0.21 |
Stroke | 46 (26.3%) | 19 (14.3%) | 12 (80%) | 57 (3.2%) | <0.001 |
Diabetes | 32 (18.3%) | 22 (16.5%) | 4 (26.7%) | 213(12.1%) | 0.02 |
Hypercholesterolaemia | 21 (12%) | 16 (12%) | 2 (13.3%) | 236(13.4%) | 0.34 |
Heart disease | 35 (20%) | 26 (19.5%) | 3 (20%) | 294(16.7%) | 0.16 |
Depression | 14 (8%) | 10 (7.5%) | 1 (6.7%) | 50 (2.8%) | < 0.001 |
Vascular Risk Factors | |||||
None | 59 (33.7%) | 52 (39.1%) | 2 (13.3%) | 738(42%) | 0.02 |
One | 66 (37.7%) | 48 (36.1%) | 6 (40%) | 640 (36.4%) | 0.39 |
More than one | 50 (28.6%) | 33 (24.8%) | 7 (46.7%) | 378 (21.5%) | 0.02 |