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

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

Variable	Groups	M ± SD at the baseline	M ± SD at the 2 month
Depression	PI	18.23 ± 7.20	13.34 ± 7.00
Depression	Control	18.06 ± 8.35	18.23 ± 8.49
Communication	PI	22.43 ± 4.48	26.01 ± 4.69
Communication	Control	24.26 ± 4.27	23.93 ± 4.05
Trust	PI	14.13 ± 3.31	16. 16 ± 3.48
Trust	Control	15.80 ± 2.72	15.66 ± 2.53
Alienation	PI	11.90 ± 2.45	8.10 ± 2.42
Alienation	Control	11.16 ± 2.59	11.15 ± 2.66

M: mean, SD: standard deviation, TSR teacher–student relationship, PI positive intervention
N = 49

ISSN: 1753-2000