Table 1.

Descriptive statistics of SSOSH and MHLS scores in subsamples.

School type	Attended psychology course	SSOSH Mean	SSOSH SD	MHLS Mean	MHLS SD	N
Grammar	Yes	19.27	4.09	129.63	11.36	30
	No	22.91	5.29	124.57	11.01	47
	Total	21.49	5.15	126.55	11.35	77
Vocational	Yes	25.10	5.98	117.77	11.48	162
	No	21.55	4.23	119.36	10.82	11
	Total	24.88	5.94	117.87	11.42	173
Total	Yes	24.19	6.10	119.62	12.22	192
	No	22.66	5.10	123.59	11.07	58
	Total	23.84	5.91	120.54	12.06	250