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Table 1 Characteristics of the population with and without dementia

From: Risk factors for dementia in the epidemiological study of Munguialde County (Basque Country-Spain)

Characteristics

Subjects with dementia N = 175

Healthy subjects N = 1756

p

Age (mean ± SD)

81.58 (8.15)

73.95 (6.3)

< 0.001

Sex*

   

Female

127 (72.6%)

950 (54.1%)

< 0.001

Male

48 (27.4%)

806 (45.9%)

< 0.001

Age group

   

65–69*

10 (5.7%)

501 (28.5%)

< 0.001

70–74*

30 (17.1%)

542 (30.9%)

< 0.001

75–79

31 (17.7%)

364 (20.7%)

0.35

80–84*

34 (19.4%)

217 (12.4%)

0.01

≥ 85*

70 (40%)

132 (7.5%)

< 0.001

Years of education (SD) *

4.45 (3.85)

6.18 (3.99)

< 0.001

Educational level*

   

Illiterate

76 (43.4%)

445 (25.3%)

< 0.001

Primary-Secondary

95 (54.3%)

1198 (68.2%)

< 0.001

Higher

4 (2.3%)

113 (6.4%)

0.03

MMSE (SD) *

12.61 (8.31)

27.22 (2.38)

< 0.001

  1. *Statistically significant differences between the two groups.
  2. SD: Standard deviation.
  3. MMSE: Minimental State Examination