Table 1.
Sample characteristics, by site
| Demographic variables | Cuba N (%) |
DR N (%) |
Peru (Urban) N (%) |
Peru (Rural) N (%) |
Venezuela N (%) |
Mexico (Urban) N (%) |
Mexico (Rural) N (%) |
China (Urban) N (%) |
China (Rural) N (%) |
India (Urban) N (%) |
India (Rural) N (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 65-69 years | 760 (25.9) | 533 (26.5) | 375 (27.2) | 179 (32.4) | 813 (42.7) | 245 (24.4) | 299 (29.9) | 316 (27.2) | 383 (38.2) | 415 (41.5) | 331 (33.1) |
| 70-74 years | 789 (26.9) | 520 (25.9) | 25.5 (52.7) | 141 (25.5) | 461 (24.2) | 329 (32.8) | 252 (25.2) | 362 (31.2) | 296 (29.5) | 318 (31.8) | 350 (35.0) |
| 75-79 years | 639 (21.8) | 397 (19.7) | 298 (21.6) | 101 (18.3) | 340 (17.9) | 205 (20.5) | 221 (22.1) | 254 (21.9) | 202 (20.2) | 144 (14.4) | 177 (17.7) |
| 80+ years | 749 (25.5) | 561 (27.9) | 355 (25.7) | 131 (23.7) | 290 (15.2) | 223 (22.3) | 228 (22.8) | 228 (19.7) | 121 (12.1) | 124 (12.4) | 141 (14.1) |
| Missing values | 7 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 |
| Female gender | 1913 (65.0) | 1325 (66.0) | 888 (64.3) | 295 (53.4) | 1215 (63.8) | 666 (66.4) | 602 (60.2) | 661 (57.0) | 556 (55.5) | 571 (57.7) | 545 (54.5) |
| Missing values | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 |
| Education | |||||||||||
| None | 75 (2.5) | 392 (19.7) | 37 (2.7) | 84 (15.4) | 154 (8.1) | 227 (22.6) | 327 (32.7) | 232 (20.0) | 579 (57.8) | 428 (42.7) | 660 (66.1) |
| Minimal | 655 (22.3) | 1022 (51.3) | 90 (6.5) | 141 (25.9) | 438 (23.1) | 354 (35.3) | 510 (51.0) | 153 (13.2) | 114 (11.4) | 234 (23.3) | 195 (19.5) |
| Completed primary | 979 (33.3) | 370 (18.6) | 460 (33.5) | 267 (49.1) | 950 (50.1) | 229 (22.8) | 122 (12.2) | 303 (26.1) | 259 (25.8) | 212 (21.1) | 116 (11.6) |
| Completed secondary | 728 (24.8) | 135 (6.8) | 481 (35.0) | 36 (6.6) | 263 (13.9) | 99 (9.9) | 25 (2.5) | 335 (28.9) | 45 (4.5) | 87 (8.7) | 26 (2.6) |
| Tertiary | 499 (17.0) | 73 (3.7) | 305 (22.2) | 16 (2.9) | 92 (4.8) | 94 (9.4) | 16 (1.6) | 137 (11.8) | 5 (0.5) | 42 (4.2) | 2 (0.2) |
| Missing values | 8 | 19 | 8 | 8 | 7 | 0 | 0 | 0 | 0 | 2 | 0 |
| Dementia |
Cuba N (%) |
DR N (%) |
Peru (Urban) N (%) |
Peru (Rural) N (%) |
Venezuela N (%) |
Mexico (Urban) N (%) |
Mexico (Rural) N (%) |
China (Urban) N (%) |
China (Rural) N (%) |
India (Urban) N (%) |
India (Rural) N (%) |
| Family history of dementia | 525 (17.8) | 187 (9.3) | 132 (9.6) | 19 (3.4) | 157 (8.4) | 40 (4.0) | 41 (4.1) | 5 (0.4) | 1 (0.1) | 3 (0.3) | 11 (1.1) |
| Missing values | 10 | 4 | 8 | 1 | 52 | 0 | 0 | 0 | 0 | 2 | 0 |
| 10/66 Dementia | 315 (10.8) | 235 (11.7) | 128 (9.3) | 36 (6.5) | 109 (5.7) | 85 (8.5) | 85 (8.5) | 81 (7.0) | 56 (5.6) | 75 (7.5) | 106 (10.6) |
| Missing values | 20 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 |
| Anthropometric indices |
Cuba Mean (SD) |
DR Mean (SD) |
Peru (Urban) Mean (SD) |
Peru (Rural) Mean(SD) |
Venezuela Mean (SD) |
Mexico (Urban) Mean(SD) |
Mexico (Rural) Mean(SD) |
China (Urban) Mean (SD) |
China (Rural) Mean(SD) |
India (Urban) Mean(SD) |
India (Rural) Mean (SD) |
| Leg length | 85.3 (7.4) | 87.1 (6.9) | 87.2 (7.7) | 84.2 (7.1) | 86.7 (8.8) | 85.6 (6.5) | 82.7 (6.1) | 87.9 (7.0) | 86.9(11.4) | 90.8 (6.6) | 90.9 (6.7) |
| Missing values | 131 | 85 | 84 | 19 | 421 | 20 | 19 | 29 | 6 | 51 | 63 |
| Trunk length | 73.5 (9.5) | 72.0 (8.1) | 68.3 (8.4) | 70.2 (9.4) | 71.2 (7.3) | 68.8 (7.7) | 70.0 (7.5) | 72.0 (5.4) | 75.1 (9.3) | 62.2 (7.9) | 63.7 (7.0) |
| Missing values | 159 | 120 | 103 | 32 | 452 | 40 | 53 | 32 | 6 | 83 | 77 |
| Skull | |||||||||||
| circumference | 55.8 (1.9) | 56.3 (2.3) | 55.3 (2.2) | 55.7 (2.0) | 55.2 (2.3) | 55.0 (2.1) | 54.4 (1.9) | 55.2 (2.0) | 55.0 (3.6) | 53.0 (2.3) | 53.6 (1.8) |
| Missing values | 57 | 46 | 31 | 12 | 400 | 20 | 9 | 16 | 16 | 24 | 23 |
| Total N | 2944 | 2011 | 1381 | 552 | 1904 | 1002 | 1000 | 1160 | 1002 | 1005 | 999 |