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. 2014 Jul 23;9(7):e102971. doi: 10.1371/journal.pone.0102971

Table 1. Descriptive statistics for all participants and ERD groups.

Emotion Regulation Difficulties
All participants (n = 63) Low (n = 18) High (n = 19) F(1,35) p
Descriptive data
Age 20.89 (1.93) 21.83 (2.15) 19.79 (1.13) 13.294 0.001
HADS scores Anxiety 7.89 (2.71) 6.28 (2.3) 9.26 (2.47) 14.468 0.001
Depression 2.97 (2.24) 1.72 (1.6) 4.42 (2.59) 14.347 0.001
Physiological data
Baseline SCL time 1 (µS) 7.85 (3.08) 6.99 (2.85) 7.39 (2.7) 0.197 0.660
SCL time 2 (µS) 7.11 (3.13) 6.11 (2.76) 6.76 (2.94) 0.469 0.498
SCL time 3 (µS) 6.44 (3.26) 5.42 (2.88) 6.19 (3.26) 0.576 0.453
HF-HRV (ln(ms2)) 6.71 (1.11) 6.48 (1.38) 6.43 (1.06) 0.019 0.890
HR (bpm) 82.81 (12.04) 81.84 (12.17) 87.6 (11.38) 2.212 0.146
Elicitation SCL (µS) 7.19 (3.55) 6.3 (3.47) 7.03 (3.73) 0.378 0.543
HF-HRV (ln(ms2)) 6.26 (0.96) 5.97 (1.17) 6.02 (0.98) 0.023 0.881
HR (bpm) 81.49 (10.42) 80.2 (10.58) 86.81 (10.47) 3.651 0.064
Recovery SCL time 1 (µS) 7.03 (3.52) 6.37 (3.6) 6.92 (3.91) 0.204 0.654
SCL time 2 (µS) 6.58 (3.49) 5.88 (3.44) 6.48 (4.01) 0.232 0.633
SCL time 3 (µS) 6.39 (3.59) 5.88 (3.58) 6.33 (4.25) 0.126 0.725
HF-HRV (ln(ms2)) 6.48 (1.09) 6.25 (1.23) 5.95 (1.01) 0.671 0.418
HR (bpm) 83.98 (11.10) 83.56 (10.42) 90.03 (11.41) 3.237 0.081
Δ scores ΔHF-HRV1 −0.45 (0.47) −0.52 (0.5) −0.41 (0.33) 0.629 0.433
ΔHF-HRV2 −0.22 (0.48) −0.29 (0.37) 0.07 (0.47) 6.397 0.016

Legend: HADS: Hospital Anxiety & Depression Scale; SCL: Skin Conductance Level; HF-HRV: High Frequency Heart Rate Variability; HR: Heart Rate; ΔHF-HRV1: HF-HRV(elicitation)–HF-HRV(baseline); ΔHF-HRV2 = HF-HRV(elicitation)–HF-HRV(recovery).