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Table 4 Effect of the intervention on Mental Health

From: Effect of cognitive behavioral therapy program on mental health status among medical student in Palestine during COVID pandemic

Parameters Intervention group
(n = 34)
Control group
(n = 32)
Group effect Time effect Interaction effect
P ηp2 Power p ηp2 Power p ηp2 Power
GHQ total Score
 Baseline 20.7 ± 6.4 22.5 ± 6.4 0.001 0.27 0.81 0.00 0.32 0.89 0.001 0.28 0.89
 8-weeks 11.4 ± 6.7 22.1 ± 6.2          
Depression and Anxiety
 Baseline 7.8 ± 2.1 8.4 ± 2.3 0.01 0.28 0.87 0.001 0.11 0.78 0.001 0.225 0.89
 8-weeks 5.1 ± 2.6 8.9 ± 2.5          
Social dysfunction
 Baseline 10.5 ± 3.4 11.0 ± 3.0 0.000 0.27 0.98 0.001 0.19 0.89 0.001 0.351 0.9
 8-weeks 5.6 ± 4.1 12.0 ± 3.4          
Loss of confidence
 Baseline 2.4 ± 2.1 3.0 ± 2.1 0.13 0.05 0.34 0.17 0.04 0.364 0.13 0.035 0.327
 8-weeks 1.4 ± 1.6 2.9 ± 2.1