TABLE 2.
Demographic and baseline characteristics of the sample divided by AGE, for each STIMULATION group.
| YO | ACTIVE | SHAM | t(13) | P | Hedges’ g |
| N | 7 | 8 | – | – | – |
| Age (years) | 62.71 ± 4.85 | 64.25 ± 4.59 | 0.629 | 0.540 | 0.307 |
| Gender (F/M)† | 4/3 | 6/2 | – | – | – |
| Years of education | 18.14 ± 7.69 | 15.00 ± 2.77 | 1.083 | 0.299 | 0.527 |
| Handedness (L/R)†† | 2/5 | 3/5 | – | – | – |
| WMC score | 0.12 ± 0.46 | 0.28 ± 0.49 | 0.641 | 0.533 | 0.312 |
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| †Fisher’s exact test p = 0.608. | |||||
| ††Fisher’s exact test p = 1.000. | |||||
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| OO | ACTIVE | SHAM | t(11) | P | Hedges’ g |
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| N | 7 | 6 | – | – | – |
| Age (years) | 72.29 ± 2.63 | 73.83 ± 2.32 | 1.117 | 0.288 | 0.578 |
| Gender (F/M)† | 3/4 | 1/5 | – | – | – |
| Years of education | 17.14 ± 4.56 | 16.00 ± 6.90 | 0.358 | 0.727 | 0.185 |
| Handedness (L/R)†† | 0/7 | 1/5 | – | – | – |
| WMC score | −0.27 ± 0.62 | −0.20 ± 0.66 | 0.188 | 0.854 | 0.097 |
†Fisher’s exact test p = 0.559.
††Fisher’s exact test p = 0.462.
For each subsample and variable, we report the count N and the average score, together with its standard deviation, Welch’s t statistics, corresponding p-value and effect size (Hedges’ g) from an independent t-test between ACTIVE and SHAM.