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Table 6 Means and standard deviations at each time point depending on severity of depression at baseline (T0)

From: Effects of five-minute internet-based cognitive behavioral therapy and simplified emotion-focused mindfulness on depressive symptoms: a randomized controlled trial

   iCBT sEFM Waiting list
  Time N M (SD) N M (SD) N M (SD)
CES-D T00 45 18.98 (3.50) 48 19.25 (3.90) 45 19.02 (2.93)
CES-D < 16 T0 45 12.47 (2.58) 48 12.60 (1.97) 45 12.22 (2.85)
T1 33 18.76 (3.56) 40 16.38 (6.67) 39 14.64 (6.64)
T2 29 17.07 (3.31) 38 18.21 (7.45) 35 13.37 (5.53)
T3 28 16.32 (6.48) 34 15.85 (6.96) 33 12.91 (6.51)
16 ≤ CES-D < 26 T00 148 21.94 (4.95) 141 22.16 (4.83) 161 22.01 (4.64)
T0 148 20.65 (2.81) 141 20.60 (3.07) 161 21.04 (2.76)
T1 114 20.30 (6.80) 102 20.53 (7.96) 134 21.09 (6.63)
T2 107 20.67 (7.54) 95 20.82 (8.01) 130 21.52 (6.55)
T3 103 19.80 (7.85) 93 20.83 (7.85) 110 19.53 (7.04)
26 ≤ CES-D T00 133 29.85 (8.25) 134 29.60 (7.99) 119 28.97 (7.39)
T0 133 33.75 (6.58) 134 32.65 (5.71) 119 32.43 (5.32)
T1 107 28.56 (10.18) 110 28.66 (10.10) 102 29.74 (8.74)
T2 104 29.55 (9.71) 105 28.93 (10.25) 95 28.57 (9.76)
T3 102 28.02 (10.78) 99 28.88 (10.37) 82 26.68 (9.56)
PHQ-9 T00 38 6.97 (1.95) 49 6.67 (1.80) 35 7.26 (1.96)
PHQ-9 < 5 T0 38 2.45 (1.33) 49 2.78 (1.16) 35 2.97 (1.15)
  T1 22 6.00 (3.56) 34 4.06 (2.85) 32 4.84 (2.83)
T2 21 5.43 (3.31) 32 5.47 (5.47) 30 4.60 (3.62)
T3 20 5.75 (4.35) 27 4.22 (4.22) 26 5.04 (4.44)
T00 135 8.06 (2.25) 132 8.13 (2.59) 141 8.24 (2.36)
5 ≤ PHQ-9 < 10 T0 135 7.04 (1.37) 132 7.21 (1.39) 141 7.16 (1.36)
T1 104 7.38 (3.82) 104 6.88 (4.28) 123 7.73 (3.78)
T2 99 7.73 (4.20) 97 7.19 (4.43) 117 7.38 (3.42)
T3 94 6.85 (4.34) 93 7.94 (4.30) 105 6.96 (3.84)
10 ≤ PHQ-9 T00 153 12.20 (3.77) 142 12.19 (4.03) 149 12.04 (4.05)
T0 153 13.95 (3.88) 142 14.20 (3.66) 149 13.60 (3.30)
T1 128 11.42 (4.89) 114 11.72 (5.46) 120 12.48 (5.11)
T2 120 12.42 (5.50) 109 12.17 (5.62) 113 12.46 (5.22)
T3 119 11.86 (5.58) 106 11.82 (6.28) 94 10.73 (4.40)
  1. iCBT internet-based cognitive behavioral therapy, sEFM simplified emotion-focused mindfulness. T00 = initial screening, T0 = baseline, T1 = postintervention, T2 = six weeks after T1, T3 = six weeks after T2. CES-D the Center for Epidemiological Studies Depression scale, PHQ-9 the Patient Health Questionnaire-9