Table 1.
Descriptive sample and Bivariate analysis
| Age mean ± SD |
Sex (women) n (%) |
Married n (%) |
Schooling (years) mean ± SD |
Alcohol consumption n (%) |
Visual deficits n (%) |
Comorbidities mean ± SD |
Total n (%) | Incidence of cognitive impairment n (%) |
|
|---|---|---|---|---|---|---|---|---|---|
| No-HBP | |||||||||
| 1 | 67.72 ± 6.59 | 462 (39.55) | 794 (67.98) | 6.65 ± 5.24 | 0.22 ± 0.65 | 355 (30.39) | 0.28 (0.52) | 1168 (33.58) | 60 (6.37) |
| 2 | 68.79 ± 7.22 | 654 (44.58) | 964 (65.71) | 4.86 ± 3.97 | 0.25 ± 0.75 | 702 (47.85) | 0.38 (0.61) | 1467 (42.18) | 60 (5.07) |
| 3 | 69.09 ± 6.66 | 107 (55.44) | 112 (58.03) | 5.11 ± 4.73 | 0.16 ± 0.56 | 88 (45.60) | 0.4 (0.58) | 193 (5.55) | 10 (7.14) |
| 4 | 67.91 ± 6.17 | 262 (62.53) | 250 (59.67) | 4.34 ± 3.57 | 0.21 ± 0.68 | 244 (58.23) | 0.61 (0.73) | 419 (12.36) | 15 (5.57) |
| P value | <0.001 | <0.001 | 0.003 | <0.001 | <0.001 | <0.001 | <0.001 | 0.567 | 0.367 |
| Total | 68.37 ± 6.66 | 1,485 (50.52) | 2,120 (62.84) | 5.24 ± 4.37 | 0.21 ± 0.66 | 1,389 (45.51) | 1.67 (0.61) | 3,247 (93.67) | 145 (6.03) |
| HBP | |||||||||
| 1 | 68.8 ± 6.64 | 448 (53.46) | 541 (64.56) | 6.51 ± 4.95 | 0.17 ± 0.57 | 257 (30.67) | 0.61 ± 0.71 | 838 (25.42) | 26 (3.99) |
| 2 | 69.07 ± 6.72 | 761 (58.49) | 848 (65.18) | 4.85 ± 3.84 | 0.17 ± 0.61 | 606 (46.58) | 0.62 ± 0.73 | 1301 (39.47) | 53 (5.42) |
| 3 | 68.59 ± 6.31 | 175 (72.92) | 122 (50.83) | 5.12 ± 4.38 | 0.15 ± 0.56 | 101 (42.08) | 0.93 ± 0.91 | 240 (7.28) | 16 (9.20) |
| 4 | 68.59 ± 6.29 | 508 (73.62) | 381 (55.22) | 3.97 ± 3.38 | 0.15 ± 0.61 | 401 (58.12) | 0.85 ± 0.82 | 690 (20.93) | 46 (8.57) |
| P value | 0.456 | <0.001 | <0.001 | <0.001 | 0.573 | <0.001 | <0.001 | 0.241 | 0.002 |
| Total | 68.7 ± 6.49 | 1,892 (64.62) | 1,892 (58.94) | 5.11 ± 4.13 | 0.16 ± 0.58 | 1,365 (44.36) | 3.01 ± 0.79 | 3,069 (23.27) | 141 (6.7) |
| Total sample | |||||||||
| 1 | 68.17 ± 6.69 | 911 (45.27) | 1,335 (66.47) | 6.59 ± 5.12 | 0.21 ± 0.62 | 613 (30.54) | 0.23 ± 0.69 | 2007 (31.72) | 86 (5.40) |
| 2 | 68.91 ± 6.99 | 1,418 (51.15) | 1,812 (65.32) | 4.86 ± 3.91 | 0.21 ± 0.69 | 1,310 (47.24) | 0.17 ± 0.57 | 2773 (43.83) | 113 (5.22) |
| 3 | 68.8 ± 6.78 | 285 (65.26) | 234 (53.63) | 5.10 ± 4.54 | 0.15 ± 0.57 | 190 (43.58) | 0.12 ± 0.56 | 436 (6.89) | 26 (8.21) |
| 4 | 68.4 ± 6.64 | 771 (69.42) | 633 (56.88) | 4.12 ± 3.45 | 0.17 ± 0.64 | 647 (58.24) | 0.18 ± 0.62 | 1,111 (17.57) | 61 (6.96) |
| P value | 0.0018 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | 0.474 | 0.061 |
| Total | 68.59 ± 6.78 | 3,385 (57.7) | 3,814 (60.57) | 5.16 ± 4.26 | 0.185 ± 0.63 | 2,760 (43.40) | 0.7 (0.61) | 6,327 (25) | 286 (6.44) |
Sample description according to baseline characteristics: Chi2 test used for categorical variables and ANOVA used for continuous variables..
HBP=High Blood Pressure, 1=without SMC/ without DS, 2=with SMC/ without DS, 3=without SMC/ with DS, 4=with SMC/ with DS