Research Article
Predictors of Relapse after Inpatient Opioid Detoxification during 1-Year Follow-Up
| | Relapsed () | Nonrelapsed () | Chi-square | Level of sign. |
| Substance misuse history |
| Principal opiate of use | | | | | Morphine | 10 (6.80%) | 30 (9.40%) | 5.15 | Ns | Poppy husk | 12 (8.16%) | 31 (9.71%) | Heroin/smack | 70 (47.61%) | 150 (47.02%) | Tramadol | 15 (10.20%) | 20 (6.26%) | Dextropropoxyphene | 9 (6.12%) | 29 (9.09%) | Diphenoxylate | 3 (2.04%) | 9 (2.82%) | Combination of opiates | 28 (19.04%) | 50 (15.67%) |
| Quantity (heroin per day) | | | | | Less than 0.5 gm | 23 (17.68%) | 110 (34.48%) | 57.52 | 0.01 | 0.5–1 gm | 38 (25.85%) | 136 (42.63%) | More than 1 gm | 86 (58.50%) | 73 (22.88%) |
| Predominant route | | | | | Chase/smoke | 4 (2.72%) | 70 (21.94%) | 43.85 | 0.01 | Inject | 70 (47.61%) | 90 (28.21%) | Oral | 28 (19.04%) | 83 (26.01%) | Multiple | 45 (30.61%) | 76 (23.82%) |
| Duration of abuse | | | | | <1 year | 10 (6.80%) | 101 (31.66%) | 48.85 | 0.01 | 1–3 years | 47 (31.97%) | 118 (36.99%) | >3 years | 90 (61.22%) | 100 (31.34%) |
| Craving at discharge | | | | | Yes | 123 (83.67%) | 248 (77.74%) | 2.18 | Ns | No | 24 (16.32%) | 71 (22.25%) |
| Number of previous attempted opiate detoxifications | | | | | 0 | 45 (30.61%) | 101 (31.66%) | 49.55 | 0.01 | 1 | 13 (8.84%) | 118 (36.99%) | Two or more | 89 (60.54%) | 100 (31.34%) |
| Past (nonaddiction) psychiatric history | | | | | Yes | 36 (24.48%) | 102 (31.975) | 2.71 | Ns | No | 111 (75.51%) | 217 (68.02%) |
| Inpatient psy treatment | | | | | Yes | 9 (6.12%) | 21 (6.58%) | 0.03 | Ns | No | 138 (93.87%) | 298 (93.41%) |
| Parental alcohol misuse | | | | | Yes | 88 (59.86%) | 57 (17.86%) | 82.80 | 0.01 | No | 59 (40.13%) | 262 (82.13%) |
| Parental opiate abuse | | | | | Yes | 42 (28.57%) | 109 (6.80%) | 1.44 | Ns | No | 105 (71.42%) | 210 (65.83%) |
| First-degree relative alcohol abuse | | | | | Yes | 95 (64.62%) | 74 (23.19%) | 74.72 | 0.01 | No | 52 (35.37%) | 245 (76.80%) |
| First-degree relative opiate abuse | | | | | Yes | 55 (37.41%) | 125 (39.18%) | 0.13 | Ns | No | 92 (62.58%) | 194 (60.47%) |
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