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. 2018 Oct 10;5(4):e59. doi: 10.2196/mental.9814

Table 3.

Comparison of paired samples (t) of the different observations.

Analyzed constructs Intervention group Control group


Mean (SD) t 34 P value Mean (SD) t 36 P value
Social skills

T1a-T2b −27.91 (28.97) −5.70 <.001 2.27 (20.00) .690 .49

T2-T3c −14.57 (20.91) −4.12 <.001 3.97 (22.51) 1.10 .28

T3-T4d 1.6 (14.94) .634 .53 −5.49 (18.53) −1.80 .08

T1-T3 −42.49 (28.55) −8.80 <.001 6.24 (28.45) 1.33 .19

T1-T4 −40.89 (27.13) −8.92 <.001 .76 (28.71) .160 .87
Self-esteem

T1-T2 −4.11 (6.37) −3.82 .001 1.81 (5.98) 1.84 .07

T2-T3 1.37 (4.69) 1.73 .09 2.05 (4.88) 2.56 .02

T3-T4 2.17 (6.62) 1.94 .06 −.973 (5.83) .317 .32

T1-T3 −2.74 (5.85) −2.77 .009 3.86 (5.46) 4.30 <.001

T1-T4 −.571 (3.89) −.867 .39 2.89 (3.57) 4.92 <.001
Self-efficacy

T1-T2 −10.66 (14.27) −4.42 <.001 3.68 (6.81) 3.28 .002

T2-T3 −2.11 (12.48) −1.00 .32 1.57 (11.69) .816 .42

T3-T4 2.37 (16.03) .875 .38 −2.38 (17.12) −.845 .41

T1-T3 −12.77 (15.56) −4.86 <.001 5.24 (14.18) 2.25 .03

T1-T4 −10.40 (14.41) −4.27 <.001 2.86 (16.33) 1.07 .29
Satisfaction with life

T1-T2 −3.23 (3.50) −5.50 <.001 −.054 (3.24) −.101 .92

T2-T3 −.457 (2.47) −1.10 .28 .568 (4.21) .821 .41

T3-T4 1.31 (4.50) 1.73 .09 −1.08 (4.64) −1.24 .03

T1-T3 −3.69 (3.10) −7.05 <.001 .510 (4.83) .647 .52

T1-T4 −2.37 (4.24) −3.31 <.001 −1.57 (5.67) −1.68 .11

aT1: Observations performed pretest-posttest at the beginning of the training.

cT2: Observations performed at the end of training.

dT3: Observations performed 1 month later.

eT4: Observations performed 3 months later.