. 2022 Oct 19;29(1):80. doi: 10.1186/s43045-022-00246-5

Table 3.

Predictors of relapse among both groups (relapsed and abstinent), with regard to substance-related factors

		Relapsed group	Abstinent group
		N=76 (50.7%)	N=74 (49.3%)	Test	p value	Sig.
Main substance	Hash	2 (2.63%) ^a	6 (8.11%) ^a	Fisher’s Exact test	0.002	S
	Synthetic cannabinoids	15 (19.74%) ^a	11 (14.86%) ^a
	Tramadol	4 (5.26%) ^a	14 (18.92%) ^b
	Heroin	37 (48.68%) ^a	34 (45.95%) ^a
	Amphetamine	0 (0%) ^a	1 (1.35%) ^a
	Multiple	17 (22.37%) ^a	5 (6.76%) ^b
	Pregabalin	0 (0%) ^a	3 (4.05%) ^a
	Alcohol	1 (1.32%) ^a	0 (0%) ^a
Max dose of heroin if it is the main substance	Less than 0.5	0 (0%)	2 (5.26%)	Fisher’s Exact test	0.34	NS
	0.5–1 gm	14 (29.17%)	12 (31.58%)
	More than 1 gm	34 (70.83%)	24 (63.16%)
Route of intake	Smoke	17 (22.37%) ^a	18 (24.32%) ^a	X²= 13.297	0.01	S
	Injection	25 (32.89%) ^a	24 (32.43%) ^a
	Oral	5 (6.58%) ^a	17 (22.97%) ^b
	Multiple	17 (22.37%) ^a	5 (6.76%) ^b
	Sniffing	12 (15.79%) ^a	10 (13.51%) ^a
Duration of abuse	1–3 years	0 (0%)	2 (2.7%)	Fisher’s Exact test	0.242	NS
Duration of abuse	More than 3 years	76 (100%)	72 (97.3%)	Fisher’s Exact test	0.242	NS
Craving after 6weeks	No	8 (10.53%)	29 (39.19%)	16.577	<0.001	S
Craving after 6weeks	Yes	68 (89.47%)	45 (60.81%)	16.577	<0.001	S
Previous attempts of abstinence	0	6 (7.89%) ^a	19 (25.68%) ^b	15.87	<0.001	S
	1	34 (44.74%) ^a	40 (54.05%) ^a
	Two or more	36 (47.37%) ^a	15 (20.27%) ^b
Legal history	No	36 (47.37%)	57 (77.03%)	13.998	<0.001	S
Legal history	Yes	40 (52.63%)	17 (22.97%)	13.998	<0.001	S
Imprisonment	No	55 (72.37%)	66 (89.19%)	6.802	0.009	S
Imprisonment	Yes	21 (27.63%)	8 (10.81%)	6.802	0.009	S

P value > 0.05: significant; S significant, NS non-significant, N number

Each superscript letter (a and b) denotes a subset of Group categories whose column proportions do not differ significantly from each other at the .05 level