Table 6.
Changes in Heart Rate Variability Frequency-Domain Variables Between Pre- and Post-Intervention Tests in Obese Women
| Variable | EXP | CON | p value (η2) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Pre-Test | Post-Test | Mean Difference (Lower, Upper) | Pre-Test | Post-Test | Mean Difference (Lower, Upper) | T | G | I | |
| VLF (ms2) | 71.93 ± 87.67 | 45.44 ± 31.97 | −26.49 (−67.58, 14.60) | 40.92 ± 43.90 | 52.01 ± 42.99 | 11.09 (−19.30, 41.49) | 0.524 (0.015) | 0.467 (0.019) | 0.126 (0.082) |
| LF (ms2) | 481.99 ±741.63 | 400.75 ± 439.82 | −81.24 (−544.35, 381.87) | 372.39 ± 554.33 | 202.71 ± 141.86 | −169.68 (−448.19, 108.83) | 0.328 (0.034) | 0.284 (0.041) | 0.728 (0.004) |
| HF (ms2) | 299.69 ± 464.47 | 479.29 ± 509.48 | 179.60* (34.85, 324.35) | 295.18 ± 306.67 | 323.51 ± 242.18 | 28.33 (−114.14, 170.80) | 0.037† (0.147) | 0.562 (0.012) | 0.121 (0.084) |
| TP (ms2) | 853.93 ± 1145.21 | 922.17 ± 766.97 | 68.24 (−509.59, 646.06) | 708.71 ± 704.55 | 580.76 ± 272.73 | −127.95 (−445.78, 189.88) | 0.847 (0.001) | 0.324 (0.035) | 0.529 (0.014) |
Notes: Values are expressed as mean ± standard deviation. †Significant interaction or main effect. *p < 0.05, significant difference between pre- and post-intervention tests.
Abbreviations: CON, control group; EXP, experimental group; G, group; HF, high frequency; I, interaction; LF, low frequency; T, time; TP, total power (VLF, LF, and HF components); VLF, very low frequency.