Variables (yes)

Frequency

Percentage (%)

High blood pressure
Arthritis
Gastro-intestinal disease
Genito-urinary disease
Cataract
Respiratory diseases
Anemia
Head trauma
Familial history of dementia 
Fracture of the bone
Diabetes
Heart disease
Stroke
Parkinson disease
Epilepsy
Glaucoma
Thyroid disease

297
251
122
82
73
72
54
50
46
37
36
34
23
7
7
7
2

58.6
49.5
24.1
16.2
14.4
14.2
10.7
9.9
9.1
7.3
7.1
6.7
4.5
1.4
1.4
1.4
0.4

Table 2: Medical, surgical and familial past history of the study population (N=507).