Evaluation of an anti-stigma intervention for Mexican psychiatric trainees

Table 2 Pre and post scores of outcome measures

	Mean	SD	Mean	SD	T	P	d	Effect
	Pre-assessment		Post-assessment		T	P	d	Effect
OMI scale
Total score	61.12	9.34	57.82	9.35	1.94	.071	0.35	Small
Subscales
Separatism	16.56	4.23	15.16	3.45	2.05	.056	0.36	Small
Stereotypes	7.39	1.91	6.38	1.53	3.73	.002	0.58	Medium
Restriction	6.22	1.70	6.0	2.37	.514	.614	0.10	Small
Benevolence	10.59	2.26	10.17	2.32	.907	.387	0.18	Small
Pessimism	13.17	2.40	12.11	3.61	1.34	.197	0.34	Small
Stigmatisation	7.06	1.76	6.88	1.87	.410	.687	0.10	Small
MHPSI
Total score	54.59	16.14	44.64	12.9	2.496	.024	0.68	Medium
Subscales
Attitudes	20.22	3.82	18.50	5.43	1.390	.182	0.37	Small
Behaviours	17.18	8.58	14.70	3.70	1.318	.206	0.37	Small
Influence	17.83	7.34	13.16	6.35	3.384	.004	0.68	Medium
Changing Minds questionnaire
Depression	14.06	4.45	11.52	2.92	2.501	.024	0.67	Medium
Panic attack	13.94	3.75	11.59	3.20	2.485	.024	0.67	Medium
Schizophrenia	16.53	5.49	14.52	4.22	1.892	.077	0.41	Small
Dementia	18.12	5.26	15.47	4.62	2.555	.021	0.53	Medium
Eating disorder	14.41	4.24	11.88	4.00	2.198	.043	0.61	Medium
Personality disorder	18.53	6.33	14.94	4.94	2.532	.022	0.63	Medium
Drug addiction	17.65	5.02	14.23	4.60	2.542	.022	0.71	Medium
Alcohol addiction	16.94	4.61	13.94	4.93	2.149	.047	0.62	Medium

Effect size was considered small if the standardised Cohen’s d was 0.30‑0.50, medium if it was 0.50‑0.80 and large if it was above 0.80

ISSN: 2055-5784