Table 1.
Characteristics of life skill groups.
| Life skill groups |
p
(linear contrast) |
|||||
|---|---|---|---|---|---|---|
| Low (n = 2097) |
1 (n = 2605) |
2 (n = 2028) |
3 (n = 1226) |
4/5 (n = 887) |
||
| Age (years) mean ± SD | 73.13 ± 10.34 | 72.97 ± 9.81 | 72.38 ± 9.70 | 71.51 ± 9.68 | 71.94 ± 9.28 | <0.001 |
| Gender, n (%) | ||||||
| Men | 907 (43.3) | 1129 (43.3) | 877 (43.2) | 519 (42.3) | 352 (39.7) | 0.11 |
| Women | 1190 (56.7) | 1476 (56.7) | 1151 (56.8) | 707 (57.7) | 535 (60.3) | |
| Ethnicity, n (%) | ||||||
| White | 1811 (86.4) | 2221 (85.3) | 1677 (82.7) | 997 (81.3) | 718 (80.9) | <0.001 |
| Black | 200 (9.5) | 283 (10.9) | 275 (13.6) | 178 (14.5) | 131 (14.3) | |
| Other | 86 (4.1) | 101 (3.9) | 76 (3.7) | 51 (4.2) | 38 (4.3) | |
| Father’s education n (%) | ||||||
| Lower | 632 (30.1) | 732 (28.1) | 567 (28.0) | 279 (22.8) | 216 (24.4) | <0.001 |
| Intermediate | 771 (36.8) | 954 (36.6) | 704 (34.7) | 470 (38.3) | 278 (31.3) | |
| Higher | 694 (33.1) | 919 (35.3) | 757 (37.3) | 477 (38.9) | 393 (44.3) | |
| Educational qualifications, n (%) | ||||||
| Less than high school | 387 (18.5) | 481 (18.5) | 334 (16.5) | 152 (12.4) | 89 (10.0) | <0.001 |
| High school | 839 (40.0) | 996 (38.2) | 744 (36.7) | 396 (32.3) | 298 (33.6) | |
| Some college | 468 (22.3) | 596 (22.9) | 480 (23.7) | 308 (25.1) | 223 (25.1) | |
| College and higher | 403 (19.2) | 532 (20.4) | 470 (23.2) | 370 (30.2) | 277 (31.2) | |
| Baseline cognition (z scores) | 22.49 ± 4.81 | 23.09 ± 4.61 | 23.51 ± 4.41 | 24.12 ± 4.39 | 24.77 ± 3.92 | <0.001 |
| mean ± SD | ||||||