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Table 5 Distribution of substance use by psychotic symptoms

From: Khat use and psychotic symptoms in a rural Khat growing population in Kenya: a household survey

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
  1. nv Chi-square not valid, a = Fisher’s Exact Probability
  2. 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