Table 1.
Sociodemographic characteristics of the sample
| Cuba | Dominican Republic | Peru | Venezuela | Mexico | Puerto Rico | Across centers | |
| Number of participants at risk, n | 2517 | 1769 | 1767 | 1820 | 1823 | 1776 | 11472 |
| Median follow-up to outcome, y (IQR) | 4.1 (3.4–5.0) | 5.0 (3.3–5.1) | 3.0 (2.5–3.7) | 4.2 (3.9–4.7) | 3.0 (2.9–3.1) | 4.3 (3.7–4.7) | 3.8 (2.9–4.7) |
| Mean age at baseline, y (SD) | 74.4 (6.6) | 74.5 (7.1) | 74.2 (6.9) | 72.0 (6.4) | 73.6 (6.3) | 75.4 (6.8) | 74.0 (6.8) |
| Females, n (%) | 1628 (64.7) | 1156 (65.4) | 1073 (60.7) | 1150 (63.2) | 1144 (62.8) | 1190 (67.3) | 7341 (64.0) |
| Prevalence baseline depression, n (%) | |||||||
| ICD-10 depressive episode | 118 (4.7) | 221 (12.5) | 86 (4.9) | 84 (4.6) | 73 (4.0) | 37 (2.0) | 619 (5.4) |
| Sub-syndromal depression | 455 (18.1) | 417(23.6) | 399 (22.6) | 421 (23.1) | 424 (23.3) | 253 (14.3) | 2369 (20.6) |
| Any depression | 573 (22.8) | 638 (36.1) | 485 (27.5) | 505 (27.7) | 497 (27.3) | 290 (16.3) | 2988 (26.0) |
| Education level, n (%) | |||||||
| None | 54 (2.1) | 315 (17.9) | 103 (5.9) | 133 (7.4) | 461 (25.3) | 47 (2.6) | 1113 (9.7) |
| Some | 522 (20.8) | 917 (52.0) | 212 (12.1) | 408 (22.6) | 802 (44.0) | 316 (17.8) | 3177 (27.8) |
| Completed primary | 829 (33.0) | 338 (19.2) | 654 (37.2) | 913 (50.5) | 337 (18.5) | 358 (20.2) | 3429 (30.0) |
| Completed secondary | 661 (26.3) | 126 (7.1) | 486 (27.7) | 262 (14.5) | 117 (6.4) | 663 (37.2) | 2315 (20.3) |
| Tertiary (college) | 446 (17.5) | 66 (3.7) | 301 (17.1) | 92 (5.1) | 104 (5.7) | 385 (21.7) | 1394 (12.2) |
| Stroke, n (%) | 158 (6.3) | 118 (6.7) | 106 (6.0) | 111 (6.1) | 120 (6.6) | 124 (7.6) | 737 (6.5) |
| Diabetes, n (%) | 466 (18.6) | 253 (14.3) | 158 (9.0) | 283 (15.6) | 398 (21.8) | 569 (32.2) | 2127 (18.6) |
| Status at follow up | |||||||
| Interviewed, n (%) | 1851 (73.5) | 1071 (60.4) | 1214 (68.7) | 1192 (65.5) | 1355 (74.3) | 1174 (66.5) | 7857 68.5) |
| Deceased, n (%) | 449 (17.8) | 370 (20.9) | 109 (6.2) | 161 (8.9) | 166 (9.1) | 200 (11.3) | 1455 (12.7) |
| Lost, n (%) | 217 (8.6) | 328 (18.5) | 444 (25.1) | 467 (25.7) | 302 (16.6) | 402 (22.7) | 2160 (18.8) |
| Outcome | |||||||
| Censored, n (%) | 1681 (73.1) | 953 (66.1) | 1145 (86.6) | 1057 (78.1) | 1234 (81.1) | 1051 (76.5) | 7121 (76.5) |
| Incident dementia, n (%) | 182 (7.9) | 165 (11.4) | 77 (5.8) | 155 (11.5) | 130 (8.6) | 153 (11.1) | 862 (9.3) |
| Competing risk, n (%) | 437 (19.0) | 323 (22.4) | 101 (7.6) | 141 (10.4) | 157 (10.3) | 170 (12.4) | 1329 (14.3) |
IQR, interquartile range