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Table 2 Mean differences in Opinion about Mental Illness (OMI) scale scores between baseline (BL) and end of training (ET) assessments by levels of each independent variable (n = 78)

From: Education in mental health promotion and its impact on the participants' attitudes and perceived mental health

  Change criteriaa F (df = 1.76) P valueb
  Mean (SE) Mean (SE)   
Sex Men Women   
OMI Factor A -7.2 (3.1) -3.4 (2.5) 1.50 0.225
OMI Factor B -6.1 (2.7) -3.9 (2.1) 1.43 0.236
OMI Factor C -1.0 (0.8) 1.1 (0.7) 3.56 0.063
OMI Factor D 0.2 (0.1) 2.2 (0.8) 4.29 0.042
OMI Factor E -2.0 (1.6) -1.0 (0.9) 0.76 0.387
Age ≤ 39 ≥ 40   
OMI Factor A -7.4 (2.7) -2.2 (2.8) 0.54 0.464
OMI Factor B -7.4 (2.3) -1.9 (2.3) 0.78 0.381
OMI Factor C -0.3 (0.7) 0.9 (0.8) 0.66 0.420
OMI Factor D 1.3 (0.8) 1.6 (0.9) 0.14 0.706
OMI Factor E -2.1 (1.5) -0.6 (0.6) 0.19 0.733
Type of education Theoretical Exact sciences   
OMI Factor A -5.8 (2.9) -4.1 (2.6) 0.60 0.440
OMI Factor B -4.6 (2.5) -4.8 (2.2) 0.25 0.622
OMI Factor C 0.2 (0.8) 0.4 (0.7) 0.06 0.814
OMI Factor D 1.5 (0.9) 1.4 (0.8) 0.11 0.746
OMI Factor E -1.1 (1.0) -1.7 (1.3) 0.65 0.424
Previous MHP training experience Yes No   
OMI Factor A -2.8 (3.0) -6.3 (2.5) 0.10 0.751
OMI Factor B -1.6 (2.5) -6.9 (2.1) 0.01 0.929
OMI Factor C 0.5 (0.8) 0.1 (0.7) 0.01 0.950
OMI Factor D 2.1 (0.9) 1.0 (0.78) 0.83 0.366
OMI Factor E -0.4 (0.6) -2.0 (1.3) 0.17 0.681
Marital status Married Unmarried   
OMI Factor A -3.0 (1.4) -7.0 (3.9) 0.58 0.449
OMI Factor B -2.2 (1.0) -7.7 (3.3) 1.63 0.206
OMI Factor C 0.8 (0.6) 0.3 (0.9) 0.86 0.357
OMI Factor D 2.0 (0.6) 0.8 (1.1) 1.36 0.247
OMI Factor E -0.7 (0.6) -2.2 (1.6) 0.53 0.468
Years of education ≤ 17 ≥ 18   
OMI Factor A -7.7 (2.7) -2.0 (2.7) 2.11 0.151
OMI Factor B -7.9 (2.3) -1.6 (2.3) 2.04 0.158
OMI Factor C 0.1 (0.8) 0.7 (0.8) 0.54 0.463
OMI Factor D -0.5 (0.8) 2.4 (0.8) 5.46 0.022
OMI Factor E 2.5 (1.5) -0.2 (0.7) 1.95 0.167
  1. achange from BL to ET.
  2. bP value for interaction effect with time (analysis of multivariate analysis of covariance (MANCOVA)).