Table 1.
| Hippocampal volumes and PA at baseline and 4 months by intervention status
| Intervention group | Control group | ||||
|---|---|---|---|---|---|
| Baseline | 4 months | Baseline | 4 months | Cohen’s da | |
| Hippocampal volume (HC/ICV) | 5.46E-03 ± 7.08E-04 | 5.46E-03 ± 7.50E-04 | 5.47E-03 ± 5.43E-04 | 5.50E-03 ± 5.98E-04 | −0.05 |
| MVPA | 232.5 ± 309.5 | 304.5 ± 184.8 | 176.3 ± 255.3 | 213.6 ± 301.1 | 0.12 |
| Leisure MVPA | 199.5 ± 269.9 | 304.5 ± 184.8 | 120.0 ± 144.9 | 93.8 ± 88.6 | 0.23 |
| Light + MVPA | 661.5 ± 477.4 | 670.5 ± 370.1 | 495.0 ± 494.92 | 543.8 ± 385.8 | −0.08 |
| Leisure light + MVPA | 402.0 ± 364.8 | 492 ± 241.8 | 315.0 ± 287.2 | 326.3 ± 218.5 | 0.54 |
HC/ICV hippocampal volume adjusted by intracranial volume; MVPA moderate to vigorous physical activity.
aEffect sizes (small, 0.20; medium, 0.50; and large, 0.80).