TABLE 4.

Comparing differences in perceived risks (rated from 1=not at all to 4=very much so) associated with daily herbal/flower marijuana and marijuana concentrates (dabs) use

Type of Risk	Among non-users of marijuana concentrates				Among users of marijuana concentrates
	Herbal/ Flower Use	Concentrate Use	t (df)	p	Herbal/ Flower Use	Concentrate Use	t (df)	p
Harm to Lungs	2.54	2.38	3.06 (188)	0.003	2.33	2.27	1.73 (439)	0.085
Anxiety/Panic Attacks	2.02	2.24	−4.07 (187)	<0.001	1.84	2.15	−9.60 (440)	<0.001
Addiction to cannabis	1.96	2.12	−3.46 (187)	<0.001	1.97	2.12	−5.06 (440)	<0.001
Poor concentration	2.28	2.35	−1.33 (187)	0.186	2.04	2.23	−6.21 (438)	<0.001
Lack of motivation	2.29	2.31	−0.48 (187)	0.629	2.15	2.28	−4.11 (439)	<0.001
Poor memory	2.19	2.32	−2.80 (187)	0.006	2.17	2.30	−4.20 (438)	<0.001
Depression	1.61	1.77	−3.55 (187)	<0.001	1.50	1.59	−4.03 (437)	<0.001
Psychosis	1.41	1.66	−5.38 (187)	<0.001	1.28	1.48	−7.20 (439)	<0.001
Cannabis Hyperemesis Syndrome	1.39	1.70	−5.48 (186)	<0.001	1.32	1.50	−5.87 (438)	<0.001