Table 9.

Correlations between stress, psychological morbidity and substance use among 4^th year students of both streams (n=166)

Variable	Depression (SDS score)	Anxiety (SAS score)	RISCI score (stress component)	HESI score (educational stress)	Problem drinking (MAST score)	Tobacco use disorder (NDSS score)	Problem drug use (DAST score)
Depression (SDS score)	1	0.76**	0.52**	0.27**	−0.22**	−0.09	−0.08
Anxiety (SAS score)	0.76**	1	0.59**	0.37**	−0.25**	−0.08	−0.08
RISCI score (stress component)	0.52**	0.59**	1	0.50**	−0.26**	−0.24**	−0.21**
HESI score (educational stress)	0.27**	0.37**	0.50**	1	−0.02	−0.01	0.09
Problem drinking (MAST score)	−0.22**	−0.25**	−0.26**	−0.02	1	0.61**	0.55**
Tobacco use disorder (NDSS score)	−0.09	−0.08	−0.24**	−0.01	0.61**	1	0.52**
Problem drug use (DAST score)	−0.08	−0.08	−0.21**	0.09	0.55**	0.52**	1

Pearson’s correlation *Significance P<0.05, **Significance P<0.01. SDS – Zung’s self-rating scale for depression; SAS – Zung’s self rating scale for anxiety; MAST – Michigan alcohol screening test; NDSS – Nicotine dependence syndrome scale; DAST – Drug abuse screening test; RISCI – Rhode island stress and coping inventory; HESI – Higher education stress inventory