Table 4.

Psychiatric symptoms experienced as a consequence of cannabis use

Psychiatric Symptom	n (%)
Decreased contact with family or friends	319 (40.2)
Trouble concentrating for > 24 hours	290 (36.6)
Paranoid/suspicious of people for > 24 hours	261 (32.8)
Depressed/uninterested in things for > 24 hours	231 (29.1)
Hallucinations	142 (17.9)
Withdrawal Symptom
Nervous, tense, restless or irritable	197 (24.2)
Appetite Change or Weight Change	165 (20.3)
Trouble sleeping	121 (14.9)
Trembling/Twitching	30 (3.7)
Sweating/Fever	24 (2.9)
Diarrhea/Stomach aches	17 (2.1)
Nausea/Vomiting	9 (1.1)