Table 2 Multiple regression analyses for predictors of heart rate variability
From: Vigorous physical activity predicts higher heart rate variability among younger adults
| Â | lnRMSSDa (ms) | lnLFP (ms squared) | lnHFP (ms squared) | |||
|---|---|---|---|---|---|---|
Model 1 | Model 2b | Model 1 | Model 2b | Model 1 | Model 2b | |
| Â | R 2 (0.10)c | R 2 (0.18) | R 2 (0.07) | R 2 (0.15) | R 2 (0.08) | R 2 (0.14) |
Vigorous activity (minutes) | 0.34 (.002)d | 0.24 (0.04) | 0.27 (0.02) | .19 (0.10) | 0.30 (0.01) | 0.20 (0.08) |
Moderate activity (minutes) | 0.04 (0.74) | 0.11 (0.31) | −0.22 (0.05) | −.19 (0.10) | 0.06 (0.61) | 0.13 (0.25) |