Research Article

A Universal Mental Health Promotion Programme for Young People in Italy

Table 2

Mean outcome scores and Standard Error of the Mean (SEM) of participating students ().

VariableGroupBaseline
mean (SEM) 
value
Postintervention
mean (SEM) 
value
valuePosttest
Effect size

Self-efficacy in regulating negative emotionsIntervention17323.0 (0.40)23.9 (0.44)0.0313
Control13223.1 (0.47)23.4 (0.43)0.8868
0.8551 0.9221 0.09

Self-efficacy in expressing positive emotionsIntervention17329.6 (0.36)29.9 (0.33)0.8790
Control13230.9 (0.35)30.2 (0.46)0.6357
0.0277 0.0861 0.07

Satisfaction with lifeIntervention17624.2 (0.39)25.4 (0.37)0.0002
Control13224.3 (0.55)24.8 (0.50)0.3098
0.3700 0.6446 0.10

Psychological well-being (total score)Intervention167355.7 (3.37)361.4 (3.26)0.0148
Control129361.5 (4.03)365.4 (4.25)0.4059
0.1101 0.1524 0.09

AutonomyIntervention16757.7 (0.89)58.1 (0.76)0.1502
Control12960.7 (0.99)62.2 (0.93)0.0483
0.00690.00060.40

Environmental masteryIntervention16757.6 (0.73)59.0 (0.69)0.0157
Control12958.6 (0.84)59.0 (0.84)0.9782
0.1299 0.7459 0.01

Personal growthIntervention16761.5 (0.57)62.0 (0.59)0.2601
Control12960.5 (0.69)61.2 (0.79)0.1397
0.6679 0.9794 0.10

Positive relations with othersIntervention16764.5 (0.83)64.3 (0.84)0.5221
Control12965.2 (0.93)64.7 (0.95)0.2848
0.3979 0.6879 0.04

Purpose in lifeIntervention16757.5 (0.77)58.7 (0.73)0.0612
Control12958.1 (0.83)59.3 (0.88)0.1982
0.4140 0.4465 0.07

Self-acceptanceIntervention16756.9 (0.93)59.4 (0.89)0.0015
Control12958.3 (1.18)59.0 (1.04)0.8026
0.1173 0.9417 0.03

Mann-Whitney test; Wilcoxon test.