Table 3.
Descriptive statistics of attendants and dropouts throughout the study at 6‐month follow‐up
| ReaCT | Control | |||||
|---|---|---|---|---|---|---|
| Responder (n = 595) | Dropout (n = 1,962) | p‐value | Responder (n = 176) | Dropout (n = 1,577) | p‐value | |
| Age, year | 59.03 (6.44) | 58.35 (6.55) | .025 | 60.81 (7.24) | 58.96 (6.51) | .000 |
| Sex, female | 425 (16.6) | 1,327 (51.90) | .081 | 98 (5.60) | 995 (56.8) | .054 |
| Ethnic origin | ||||||
| Asian | 8 (0.3) | 17 (0.70) | <.05 | 1 (0.10) | 9 (0.5) | <.05 |
| Black | 2 (0.1) | 5 (0.20) | <.05 | 1 (0.10) | 3 (0.2) | <.05 |
| Middle Eastern | 0 (0.0) | 2 (0.10) | <.05 | 0 (0.00) | 4 (0.2) | <.05 |
| Mixed White/Black | 1 (0.0) | 7 (0.30) | <.05 | 0 (0.00) | 8 (0.5) | <.05 |
| Mixed White/Asian | 1 (0.0) | 8 (0.30) | <.05 | 1 (0.10) | 10 (0.6) | <.05 |
| White | 582 (22.8) | 1896 (74.10) | <.05 | 172 (9.80) | 1535 (87.6) | <.05 |
| Other | 1 (0.0) | 27 (1.10) | <.05 | 1 (0.10) | 8 (0.5) | <.05 |
| Education | ||||||
| None | 5 (0.2) | 39 (1.50) | <.05 | 2 (0.10) | 35 (2.2) | <.05 |
| Primary school | 3 (0.1) | 11 (0.40) | <.05 | 2 (0.10) | 7 (0.4) | <.05 |
| Secondary school | 86 (3.4) | 314 (12.30) | <.05 | 37 (2.10) | 283 (16.1) | <.05 |
| Further education | 175 (6.8) | 602 (23.50) | <.05 | 61 (3.50) | 495 (28.2) | <.05 |
| University graduate | 326 (12.7) | 996 (39.00) | <.05 | 74 (4.20) | 757 (43.2) | <.05 |
| Baddeley Grammatic Reasoning Test | 14.57 (5.28) | 14.33 (5.25) | .331 | 13.71 (5.24) | 14.19 (5.27) | .250 |
| SWM Test | 5.06 (1.26) | 5.00 (1.23) | .310 | 4.91 (1.22) | 4.96 (1.19) | .649 |
| Paired Associate Learning Test | 3.53 (0.61) | 3.53 (0.60) | .993 | 3.42 (0.60) | 3.53 (0.58) | .014 |
| Digit Span Ladder Test | 4.85 (1.11) | 4.74 (1.07) | .019 | 4.63 (1.11) | 4.72 (1.11) | .300 |
Age (in years), Baddeley Grammatic Reasoning Test, SWM Test; Paired Associate Learning Test, and Digit Span Ladder Test are reported with means and standard deviations. All other values are n (%).
Abbreviations: GCT, general cognitive training; ReaCT, reasoning cognitive training; SWM, spatial working memory.