Table 1.
Sample Characteristics by Primary Substance Use Disorder and Presence of Restless Leg Syndrome Diagnosis (% or mean (SD))
| Variable | Opioid Use Disorder (n=124) | Alcohol Use Disorder (n=180) | ||
|---|---|---|---|---|
| RLS (n=63, 51%) | No RLS (n=61, 49%) | RLS (n=39, 22%) | No RLS (n=141, 78%) | |
| Sociodemographic | ||||
| Agea | 26.27 (7.95) | 28.98 (11.72) | 40.21 (11.63) | 45.95 (12.47) |
| White | 95.2% | 93.4% | 92.3% | 95.7% |
| Singlea | 88.9% | 83.6% | 53.8% | 36.9% |
| Employed | 36.5% | 41% | 33.3% | 52.5% |
| Male | 69.8% | 77% | 69.2% | 63.1% |
| Substance Use | ||||
| Current smokera | 81% | 70.5% | 53.8% | 48.9% |
| >15 days of use in the past montha | 85.7% | 90.2% | 76.9% | 68.1% |
| Any opiate usea | 100% | 100% | 25.6% | 12.8% |
| Any heroin usea | 79.4% | 77% | 10.3% | 2.1% |
| Any prescription opioid usea | 69.8% | 70% | 23.1% | 11.3% |
| Number previous detox hospitalizations* | 4.09 (8.17) | 3.19 (7.12) | 1.55 (2.14) | 2.62 (7.02) |
| Other Clinical | ||||
| Chronic pain | 19.0% | 15.3% | 25.6% | 12.8% |
| Psychiatric disorder | 61.9% | 42.6% | 82.1% | 62.4% |
| Serotonergic medicationa | 11.1% | 9.8% | 23.1% | 22% |
Note.
a
Significant difference between alcohol use disorder and opioid use disorder groups as assessed by t-test (continuous variables) or chi-square test (dichotomous variables).
*
Data on number of prior hospitalizations was only available for 74.3% of the sample. Means reported reflect available data. For other variables, there was a small percentage of participants who declined to answer (full samples for each variable range from 298–304).