Table 5.

Distribution of substance use by psychotic symptoms

Parameter	N	Mania/ Hypomania	Thought control	Paranoia	Strange experiences	Hallucinations	Any symptom
		%	%	%	%	%	%
Khat use
Yes	306	2.6	5.6	10.5	6.5	8.2	18.6
No	525	3.0	3.2	9.0	3.0	4.4	15.6
P-value		0.719	0.104	0.476	0.017	0.024	0.262
Tobacco use (Daily or almost daily)
Yes	111	5.4	8.1	16.2	9.9	9.0	27.0
No	718	2.5	3.5	8.5	3.5	5.3	15.2
P-value		0.089a	0.028a	0.010	0.005a	0.119	0.002
Alcohol use (Daily or almost daily)
Yes	31	3.2	12.9	22.6	12.9	19.4	32.3
No	798	2.9	3.8	9.0	4.0	5.3	16.2
P-value		0.605a	0.034a	0.022a	0.041a	0.007a	0.019

nv Chi-square not valid, ^a = Fisher’s Exact Probability

Sex, age group, current Khat chewing, tobacco and alcohol use were subjected to binary logistic regression using backward stepwise (LR) method for strange experiences as well as hallucinations and following tables shows the variables that were retained in the models