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Table 3 Mean and standard deviation of the BDI-II and IT-SR variables at the pre-test and the post-test between the two groups

From: Positive intervention for depression and teacher–student relationship in Iranian high school girl students with moderate/mild depression: a pilot randomized controlled trial

Variable Groups M ± SD
at the baseline
M ± SD
at the 2 month
Depression PI 18.23 ± 7.20 13.34 ± 7.00
Control 18.06 ± 8.35 18.23 ± 8.49
Communication PI 22.43 ± 4.48 26.01 ± 4.69
Control 24.26 ± 4.27 23.93 ± 4.05
Trust PI 14.13 ± 3.31 16. 16 ± 3.48
Control 15.80 ± 2.72 15.66 ± 2.53
Alienation PI 11.90 ± 2.45 8.10 ± 2.42
Control 11.16 ± 2.59 11.15 ± 2.66
  1. M: mean, SD: standard deviation, TSR teacher–student relationship, PI positive intervention
  2. N = 49