Table 2.
Pre-to-post intervention changes in resting HRV
| (A) Across age groups | Osc+ | Osc− | p-value | p-value | ||
|---|---|---|---|---|---|---|
| Pre | Post | Pre | post | for time × condition interaction | For time × condition x age interaction | |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |||
| ln HF-power | 6.45 (1.18) | 6.34 (1.07) | 6.25 (1.12) | 6.20 (1.08) | 0.876 | 0.988 |
| ln LF-power | 6.73 (1.25) | 7.08 (1.42) | 6.28 (1.43) | 6.14 (1.37) | 0.035* | 0.190 |
| RMSSD | 54.78 (30.94) | 53.86 (27.13) | 48.09 (22.05) | 50.01 (25.65) | 0.768 | 0.534 |
| (B) Younger adults | Osc+ | Osc− | p-value | ||
|---|---|---|---|---|---|
| Pre | Post | Pre | Post | For time × condition interaction | |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | ||
| ln HF-power | 6.86 (1.06) | 6.60 (0.99) | 6.79 (0.76) | 6.55 (0.87) | 0.908 |
| ln LF-power | 7.17 (0.94) | 7.53 (1.15) | 6.99 (0.90) | 6.66 (0.83) | 0.004** |
| RMSSD | 63.96 (31.64) | 59.28 (26.10) | 57.24 (20.81) | 56.80 (26.35) | 0.490 |
| (C) Older adults | Osc+ | Osc− | p-value | ||
|---|---|---|---|---|---|
| Pre | Post | Pre | Post | For time × condition interaction | |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | ||
| ln HF-power | 5.58 (0.92) | 5.78 (1.04) | 5.40 (1.08) | 5.63 (1.16) | 0.912 |
| ln LF-power | 5.78 (1.33) | 6.11 (1.49) | 5.14 (1.39) | 5.31 (1.65) | 0.618 |
| RMSSD | 34.95 (17.38) | 42.17 (26.05) | 33.39 (15.07) | 39.09 (20.55) | 0.778 |
Resting HRV was measured by ln HF-power, ln LF-power and RMSSD for all participants (A) and for each age group (B, C)
*p < .05