Research Article

Predictors of Relapse after Inpatient Opioid Detoxification during 1-Year Follow-Up

Table 2

Substance misuse.

Relapsed ()Nonrelapsed ()Chi-squareLevel of sign.

Substance misuse history

Principal opiate of use
Morphine10 (6.80%)30 (9.40%)5.15Ns
Poppy husk12 (8.16%)31 (9.71%)
Heroin/smack70 (47.61%)150 (47.02%)
Tramadol15 (10.20%)20 (6.26%)
Dextropropoxyphene9 (6.12%)29 (9.09%)
Diphenoxylate3 (2.04%)9 (2.82%)
Combination of opiates28 (19.04%)50 (15.67%)

Quantity (heroin per day)
Less than 0.5 gm23 (17.68%)110 (34.48%)57.52 0.01
0.5–1 gm38 (25.85%)136 (42.63%)
More than 1 gm86 (58.50%)73 (22.88%)

Predominant route
Chase/smoke4 (2.72%)70 (21.94%)43.850.01
Inject70 (47.61%)90 (28.21%)
Oral28 (19.04%)83 (26.01%)
Multiple45 (30.61%)76 (23.82%)

Duration of abuse
<1 year10 (6.80%)101 (31.66%)48.850.01
1–3 years47 (31.97%)118 (36.99%)
>3 years90 (61.22%)100 (31.34%)

Craving at discharge
Yes123 (83.67%)248 (77.74%)2.18Ns
No24 (16.32%)71 (22.25%)

Number of previous attempted opiate detoxifications
045 (30.61%)101 (31.66%)49.550.01
113 (8.84%)118 (36.99%)
Two or more89 (60.54%)100 (31.34%)

Past (nonaddiction) psychiatric history
Yes36 (24.48%)102 (31.975)2.71Ns
No111 (75.51%)217 (68.02%)

Inpatient psy treatment
Yes9 (6.12%)21 (6.58%)0.03Ns
No138 (93.87%)298 (93.41%)

Parental alcohol misuse
Yes88 (59.86%)57 (17.86%)82.800.01
No59 (40.13%)262 (82.13%)

Parental opiate abuse
Yes42 (28.57%)109 (6.80%)1.44Ns
No105 (71.42%)210 (65.83%)

First-degree relative alcohol abuse
Yes95 (64.62%)74 (23.19%)74.720.01
No52 (35.37%)245 (76.80%)

First-degree relative opiate abuse
Yes55 (37.41%)125 (39.18%)0.13Ns
No92 (62.58%)194 (60.47%)