Results of moderation analyses for continuous moderators
| Moderator | Meta-regression | Test of moderation | I2 | |||
| Intercept | Slope | t | df | P value | ||
| Treatment level | ||||||
| Adherence to intervention (% sessions attended) | −1.61 | 0.02 | 3.73 | 10.40 | 0.005* | 54.08 |
| Intervention volume (min/week) | 0.21 | −0.0002 | −0.11 | 12.38 | 0.961 | 70.07 |
| Participant level | ||||||
| Age | 0.19 | 0.001 | 0.05 | 28.4 | 0.785 | 70.09 |
| Mean MMSE | 0.69 | −0.03 | −1.18 | 10.7 | 0.263 | 69.99 |
*Statistically significant for p ≤ 0.05.
df, Degrees of freedom; MMSE, Mini-Mental State Examination.