Table 1 Characteristics of the follow-up and drop-out groups
|  | Follow-up (n = 140) | Drop-out (n = 176) | P-value |
|---|---|---|---|
Age (mean ± SD) | 70.9 ± 4.3 | 73.2 ± 4.8 | < 0.0001 |
Male (%) | 30.7 | 29.0 | 0.7 |
Hypertension (%) | 53.6 | 66.5 | 0.02 |
Diabetes (%) | 11.4 | 17.6 | 0.1 |
Cerebrovascular/cardiovascular disease (%) | 12.9 | 15.3 | 0.5 |
Hypercholesterolemia (%) | 60.7 | 54.0 | 0.2 |
Depressive symptoms (%) | 10.7 | 10.2 | 0.9 |
BMI (mean ± SD) | 23.6 ± 3.2 | 23.9 ± 2.8 | 0.4 |
Current smoker (%) | 7.1 | 5.7 | 0.6 |
Current drinker (%) | 39.3 | 32.4 | 0.2 |
< 10 years of education (%) | 73.6 | 76.7 | 0.5 |
Baseline MMSE score (mean ± SD) | 27.7 ± 1.6 | 27.8 ± 1.5 | 0.4 |
Multiple tooth loss (%) | 50.7 | 46.6 | 0.5 |