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Table 1 Descriptive statistics and baseline values

From: Psychological Effects of Whole-body Electromyostimulation Training: a Controlled Pilot Study in Healthy Volunteers

  EMS–Sham (N = 12)
M(SD)/N
Sham–EMS (N = 13)
M(SD)/N
t/chi2 df p
Age 47.58(9.88) 48.85(6.59) –0.37 18.97 .71
Gender
 Male 10 8 1.47a 1 .38
 Female 2 5    
Subjective well-being 68.42 (25.21) 65.62 (26.60) 0.27 23 .79
Subjective relaxation 64.17 (25.66) 65.77 (25.24) –0.16 23 .88
MDBF
 Awake–tired 12.17 (3.30) 12.46 (3.62) –0.21 23 .83
 Good–bad 16.00 (2.76) 16.15 (1.77) –0.17 23 .87
 Calm–nervous 14.25 (2.80) 15.62 (3.15) –1.14 23 .27
RESTQEBF
 General stress 1.75 (1.22) 1.77 (1.92) –0.03 23 .98
 Emotional stress 2.08 (1.00) 2.92 (1.92) –1.33 16.48 .20
 Social stress 2.08 (1.08) 3.08 (1.85) –1.62 23 .12
 Conflicts/pressure 2.58 (2.43) 3.54 (2.57) –0.95 23 .35
 Fatigue 3.08 (1.88) 4.17 (2.89) –1.09 18.91 .29
 Lack of energy 2.75 (1.55) 2.54 (2.18) 0.28 23 .78
 Physical complaints 1.33 (1.30) 2.85 (1.99) –2.23 23 .04
 Success 5.17 (2.86) 5.46 (2.50) –0.28 23 .79
 Social recovery 6.67 (2.31) 7.69 (1.80) –1.25 23 .23
 Physical recovery 7.17 (1.34) 7.00 (1.78) 0.26 23 .80
 General well-being 8.17 (1.59) 8.15 (1.57) 0.02 23 .98
 Sleep quality 7.58 (2.50) 6.85 (3.29) 0.63 23 .54
 Disturbed breaks 3.83 (3.49) 3.38 (2.82) 0.36 23 .73
 Emotional exhaustion 1.75 (3.70) 0.92 (1.44) 0.73 22 .48
 Injury 4.08 (3.42) 4.50 (4.83) –0.24 22 .81
 Being in shape 13.25 (2.93) 13.38 (4.43) –0.09 23 .93
 Personal accomplishment 10.58 (6.30) 12.17 (5.81) –0.64 22 .53
 Self-efficacy 13.33 (4.91) 13.00 (5.76) 0.15 21 .88
 Self-regulation 7.67 (6.53) 8.83 (7.36) –0.41 22 .69
  1. Abbreviations: EMS electromyostimulation, Sham control training (without the application of electrical impulses), MDBF Multidimensional Mood State Questionnaires, RESTQEBF Recovery–Stress Questionnaires/Erholungs-Belastungs-Fragebögen, N number of subjects, M(SD) mean (standard deviation), t/chi2 t/chi2 test, df degrees of freedom, p p value
  2. aTwo cells had an expected count of less than 5, so Fisher’s exact test was used