Table 1. Sociodemographic, psychosocial, and cognitive characterization of the total sample and divided by sex (n = 419). FIBRA Study, 2016-2017.
| Variables | Total n = 419 (100%) |
Sex | p-value | ||
|---|---|---|---|---|---|
| Women n = 293 (70%) |
Men n = 126 (30%) |
||||
| Age, n (%) | MD (IQR) | 80 (77-83) | 80 (77-82) | 80 (78-83) | 0.064 + |
| Education, n (%) | Illiterate | 54 (13%) | 42 (14%) | 12 (10%) | 0.194 ++ |
| Literate | 356 (85%) | 246 (84%) | 110 (87%) | ||
| Missing | 9 (2%) | 5 (2%) | 4 (3%) | ||
| MD (IQR) | 4 (2-5) | 4 (2-5) | 4 (3-5.7) | 0.221 + | |
| Family income, n (%) | MD (IQR) | 2,400 (1,760-3,600) | 2,325 (1,700-3,712) | 2,500 (1,874-3,500) | 0.876 + |
| Missing | 47 | 33 | 14 | ||
| Live alone, n (%) | Yes | 77 (18%) | 61 (21%) | 16 (13%) | 0.013 ++ |
| No | 239 (57%) | 153 (52%) | 86 (68%) | ||
| Missing | 103 (25%) | 79 (27%) | 24 (19%) | ||
| MMSE | MD (IQR) | 25 (23-27) | 25 (23-27) | 26 (24-27) | 0.108 + |
| VF | MD (IQR) | 11 (9-14) | 11 (9-14) | 11 (9-14) | 0.872 + |
| CDT | MD (IQR) | 2 (1-4) | 3 (1-4) | 2 (1-4) | 0.688 + |
| Missing | 1 | 0 | 1 | ||
| Episodic memory | MD (IQR) | 3 (0-5) | 2 (0-5) | 3 (1-5) | 0.481 + |
| Missing | 2 | 2 | 0 | ||
| Neuroticism | MD (IQR) | 26 (21-31) | 27 (22-32) | 24 (19-29) | 0.002 + |
| Missing | 20 | 13 | 7 | ||
| PiL | MD (IQR) | 3.6 (3.1-4) | 3 (3.1-4) | 3.5 (3.1-3.9) | 0.467 + |
| Missing | 17 | 11 | 6 | ||
| GDS, n (%) | ≥6 | 82 (20%) | 62 (21%) | 20 (16%) | 0.211 ++ |
| ≤5 | 337 (80%) | 231 (79%) | 106 (84%) | ||
| MD (IQR) | 3 (2-5) | 3 (2-5) | 3 (2-5) | 0.407 + | |
Abbreviations: CDT, Clock Drawing Test; GDS, Geriatric Depression Scale; IQR, interquartile range; MD, median; MMSE, Mini-Mental State Examination; n, sample size; PiL, Purpose in Life; VF, Verbal Fluence (animal category).
Note: + Mann Whitney test; ++ Qui-square test; p-value < 0.05 shows statistical significance.