Effect of a mental health training programme on Nigerian school pupils’ perceptions of mental illness

Table 2 Comparison of knowledge, attitude and social distance scores at baseline and immediate post-intervention between intervention and control groups

	N	Mean scores (SD)	T	95% confidence interval	p
Baseline
Knowledge scores
Control	75	22.0 (3.9)	1.7	−0.2 to 2.0	0.097
Intervention	117	21.1 (3.5)	1.7	−0.2 to 2.0	0.097
Attitude scores
Control	80	5.5 (2.0)	2.0	−0.2 to 1.1	0.058
Intervention	117	5.0 (2.1)	2.0	−0.2 to 1.1	0.058
Social distance scores
Control	77	3.0 (2.3)	0.7	−0.9 to 0.4	0.485
Intervention	120	3.2 (2.1)	0.7	−0.9 to 0.4	0.485
Immediate post-intervention test
Knowledge scores
Control	74	22.1 (4.0)	7.4	−5.3 to −3.0	<0.01**
Intervention	101	26.2 (3.4)	7.4	−5.3 to −3.0	<0.01**
Attitude scores
Control	79	5.6 (2.3)	0.5	−0.4 to 1.0	0.627
Intervention	108	5.8 (2.7)	0.5	−0.4 to 1.0	0.627
Social distance scores
Control	78	3.0 (2.2)	1.1	−1.5 to 0.3	0.286
Intervention	108	3.3 (2.4)	1.1	−1.5 to 0.3	0.286

ISSN: 1753-2000