Table 3.

Reliability of new DSM-5 criteria: cannabis withdrawal and tobacco “abuse” criteria.

	Lifetime			Currenta
	% Test	% Retest	Kappa (95 % CI)	% Test	% Retest	Kappa (95 % CI)
Cannabis withdrawal
Withdrawal criterion	36.6	29.4c	0.55 (0.48, 0.62)	24.2	20.5c	0.53 (0.44, 0.61)
Withdrawal syndromeb	16.6	14.7	0.46 (0.36, 0.56)	8.8	9.4	0.41 (0.29, 0.54)
3+ withdrawal symptoms	35.2	26.7c	0.57 (0.50, 0.64)	- -	- -	- -
Used cannabis or another drug to relieve or avoid cannabis withdrawal symptoms	31.7	25.0c	0.55 (0.47, 0.62)	21.6	17.5c	0.51 (0.42, 0.60)
Individual lifetime cannabis withdrawal symptoms
Irritable, angry, or aggressive	25.8	22.3c	0.58 (0.51, 0.66)	- -	- -	- -
Lose weight, or have decreased appetite	24.2	20.4c	0.48 (0.39, 0.57)	- -	- -	- -
Feel nervous or anxious	32.0	24.4c	0.50 (0.42, 0.58)	- -	- -	- -
Feel restless, or like you couldn’t sit still	29.0	21.6c	0.51 (0.43, 0.59)	- -	- -	- -
Sleep disturbance	40.4	29.9c	0.49 (0.42, 0.56)	- -	- -	- -
Feel down or depressed	30.8	23.4c	0.50 (0.42, 0.58)	- -	- -	- -
Physical symptomsd	25.1	20.2c	0.56 (0.48, 0.64)	- -	- -	- -
Tobacco “abuse” criteria
Hazardous use	38.4	37.2	0.73 (0.67, 0.78)	28.7	26.7	0.67 (0.60, 0.74)
Social/Interpersonal problems	11.0	9.4	0.37 (0.25, 0.49)	8.3	7.1	0.34 (0.20, 0.48)
Neglect roles	21.9	17.9c	0.52 (0.43, 0.61)	13.6	11.5	0.42(0.31, 0.53)

CI = Confidence interval.

Interpretation of reliability coefficients: Fair: 0.21–0.40; moderate: 0.41–0.60; substantial: 0.61–0.80; excellent: 0.81–1.00.

^aIndividual withdrawal symptoms were not assessed for the past-year time period, including those for cannabis withdrawal.

^b3+ withdrawal symptoms, clustering together in time, associated with self-acknowledged impairment.

^cPrevalence differed significantly between the test and retest interviews (McNemar’s test p < .05).

^dstomach pain, shaking hands, sweating, chills, headache, fever.