Table 2.
Heart rate variability indices during work, leisure and sleep time for each group among the blue-collar participants in DPhacto. Data are presented as mean (interquartile range - IQR)
| Variables | Work | Leisure | Sleep | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Pain-free (n = 74) | Single-site pain (n = 136) | Multisite pain (n = 357) | Pain-free (n = 74) | Single-site pain (n = 136) | Multisite pain (n = 358) | Pain-free (n = 72) | Single-site pain (n = 135) | Multisite pain (n = 354) | |
| IBI, ms | 793.8 (136) | 786.1 (130) | 781.3 (136) | 820.6 (132) | 824.0 (133) | 820.6 (132) | 1068.3 (211) | 1079.5 (212) | 1075.7 (173) |
| SDNN, ms | 53.5 (26) | 54.7 (22) | 54.7 (23) | 52.4 (23) | 53.0 (23) | 53.6 (22) | 54.2 (34) | 52.9 (27) | 56.8 (31) |
| ln SDNN | 3.92 (0.51) | 3.95 (0.40) | 3.95 (0.43) | 3.90 (0.46) | 3.92 (0.45) | 3.93 (0.42) | 3.89 (0.66) | 3.90 (0.52) | 3.95 (0.58) |
| RMSSD, ms | 26.9 (16) | 26.2 (14) | 26.6 (14) | 27.6 (16) | 27.3 (17) | 28.5 (15) | 47.5 (32) | 47.0 (32) | 51.7 (36) |
| ln RMSSD | 3.17 (0.69) | 3.17 (0.58) | 3.17 (0.58) | 3.20 (0.66) | 3.21 (0.65) | 3.25 (0.59) | 3.69 (0.78) | 3.71 (0.73) | 3.79 (0.78) |
| LF, ms2/Hz | 872.1 (732) | 861.8 (691) | 883.8 (752) | 746.8 (692) | 730.8 (592) | 737.5 (648) | 926.3 (944) | 822.0 (749) | 991.9 (902) |
| ln LF | 6.49 (1.06) | 6.54 (0.92) | 6.52 (1.02) | 6.34 (1.12) | 6.37 (0.98) | 6.35 (1.05) | 6.39 (1.48) | 6.38 (1.20) | 6.46 (1.30) |
| HF, ms2/Hz | 231.8 (213) | 218.4 (168) | 232.5 (195) | 261.9 (214) | 260.1 (244) | 278.8 (248) | 933.9 (865) | 870.9 (942) | 1133.8 (1094) |
| ln HF | 4.94 (1.42) | 4.92 (1.20) | 4.97 (1.25) | 5.08 (1.27) | 5.11 (1.36) | 5.19 (1.22) | 6.18 (1.50) | 6.24 (1.51) | 6.37 (1.66) |
| LF/HF | 6.08 (4) | 6.70 (4) | 6.36 (4) | 4.97 (3) | 5.31 (3) | 4.97 (3) | 1.97 (2) | 1.75 (1) | 1.90 (2) |
| ln LF/HF | 1.66 (0.68) | 1.75 (0.69) | 1.69 (0.80) | 1.47 (0.72) | 1.52 (0.76) | 1.43 (0.81) | 0.32 (1.05) | 0.20 (1.01) | 0.17 (1.29) |
IBI Interbeat intervals, SDNN Standard deviation of RR intervals, ln Natural logarithm, RMSSD Square root of the mean squared differences of successive RR intervals, LF Low-frequency power, HF High-frequency power, LF/HF Sympathovagal balance