Table 2.
Prevalence estimates of nonmedical use of prescription opioids and substance use disorder symptoms at age 35 as a function of medical and nonmedical use of prescription opioids at age 18
| Past-Year Nonmedical Use of Prescription Opioids at Age 35 | Alcohol Use Disorder Symptoms at Age 35 | Marijuana Use Disorder Symptoms at Age 35 | Other Drug Use Disorder Symptoms at Age 35 | Any Substance Use Disorder Symptoms at Age 35 | |
|---|---|---|---|---|---|
| Baseline Context of Lifetime Prescription Opioid Exposure at Age 18 | % | 2+ Symptoms % | 2+ Symptoms % | 2+ Symptoms % | 2+ Symptoms, % |
|
| |||||
| No medical or nonmedical use (n = 3,014) | 2.4% | 24.6% | 4.9% | 2.7% | 25.7% |
| Medical use only (n = 527) | 4.4% | 26.2% | 5.1% | 3.4% | 28.7% |
| Medical and nonmedical use (n = 207) | 8.4% | 31.8% | 6.9% | 8.9% | 35.3% |
| Nonmedical use only (n = 116) | 5.8% | 44.7% | 14.8% | 13.0% | 52.8% |
|
| |||||
| 2Sample size | 1n = 3576 | 1n = 3768 | 1n = 3817 | 1n = 3631 | 1n = 3549 |
1
Sample sizes vary due to missing data on the dependent measures (i.e., substance use disorder symptoms at age 35)