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Table 3 Results of linear mixed models comparing intervention group and control group

From: Effectiveness and mechanism of a 4-week online self-help mindfulness intervention among individuals with emotional distress during COVID-19 in China

  Parameter Estimate Std. error df t Sig 95% Confidence Interval
Lower bound Upper bound
K10 Time  − 3.31 0.22 1231.25  − 15.33  < 0.001  − 3.73  − 2.89
Group  − 0.65 0.61 988.59  − 1.08 0.281  − 1.84 0.54
Time * Group 1.48 0.13 1207.76 11.67  < 0.001 1.23 1.73
CPSS Time  − 3.35 0.22 1202.56  − 15.55  < 0.001  − 3.77  − 2.93
Group  − 1.67 0.63 977.75  − 2.66 0.008  − 2.91  − 0.44
Time * Group 1.43 0.13 1180.20 11.35  < 0.001 1.18 1.68
FFMQ Time 4.27 0.24 1232.70 17.85  < 0.001 3.80 4.74
Group 2.51 0.75 906.15 3.36 0.001 1.04 3.97
Time * Group  − 1.98 0.14 1212.18  − 14.16  < 0.001  − 2.26  − 1.71
OASIS Time  − 1.56 0.12 1142.39  − 12.75  < 0.001  − 1.80  − 1.32
Group  − 0.68 0.33 995.25  − 2.08 0.038  − 1.33  − 0.04
Time * Group 0.54 0.07 1117.67 7.55  < 0.001 0.40 0.68
ODSIS Time  − 1.22 0.13 1162.26  − 9.64  < 0.001  − 1.47  − 0.97
Group  − 0.39 0.37 1001.45  − 1.04 0.298  − 1.12 0.34
Time * Group 0.52 0.07 1138.25 6.99  < 0.001 0.37 0.66
FFMQobs Time 0.95 0.09 1166.47 10.08  < 0.001 0.76 1.13
Group 0.93 0.29 947.12 3.22 0.001 0.36 1.49
Time * Group  − 0.46 0.05 1144.75  − 8.44  < 0.001  − 0.57  − 0.36
FFMQdes Time 0.64 0.09 1175.95 7.46  < 0.001 0.47 0.81
Group 0.31 0.26 923.72 1.22 0.223  − 0.19 0.82
Time * Group  − 0.28 0.05 1153.79  − 5.54  < 0.001  − 0.38  − 0.18
FFMQact Time 1.07 0.09 1230.26 11.55  < 0.001 0.89 1.25
Group 0.35 0.27 998.38 1.31 0.191  − 0.17 0.87
Time * Group  − 0.51 0.05 1204.44  − 9.38  < 0.001  − 0.62  − 0.40
FFMQnj Time 0.74 0.10 1223.97 7.26  < 0.001 0.54 0.94
Group 0.07 0.26 1103.90 0.26 0.794  − 0.44 0.57
Time * Group  − 0.33 0.06 1196.64  − 5.58  < 0.001  − 0.45  − 0.22
FFMQnrt Time 0.82 0.08 1192.21 9.87  < 0.001 0.66 0.98
Group 1.05 0.20 1049.38 5.14  < 0.001 0.65 1.44
Time * Group  − 0.37 0.05 1165.22  − 7.52  < 0.001  − 0.46  − 0.27