Continued cannabis use at one year follow up is associated with elevated mood and lower global functioning in bipolar I disorder

Table 1 Demographic and clinical characteristics of patients with- and without continued cannabis use at one year follow-up

	No continued cannabis use			Continued cannabis use
	N = 56			N = 6
	N	Mean	SD	N	Mean	SD	p
Age (years)	56	32.3	10.0	6	30.5	9.7	.691
IDS total score	53*	11.2	10.0	6	18.5	11.9	.198
YMRS total score	56	2.3	4.0	6	7.3	5.5	.076
PANSS positive total score	56	8.8	2.6	6	9.7	2.6	.439
GAF-F	56	65.3	16.0	6	49.0	16.1	.056
	N	%		N	%		P
Females	36	64.3		1	16.7		.035
Current use of antipsychotic or mood stabilizing medication	42	79.2		4	66.7		.605

*Missing data.
IDS = Inventory of depression Scale; YMRS = Young Mania Rating Scale; PANSS-P = Positive and Negative Syndrome Scale-Psychotic; GAF-F = Global assessment of functioning.