TABLE 2.
Prevalence of Abuse of and Dependence on Prescription Pain relievers among Non-prescribed Users of Prescription Pain relievers Aged 12–17 Years (N = 2,675)
| Past-year diagnostic status | Weighted prevalence | Age of first use of non-prescribed pain relievers | Number of days of using pain relievers in the past year | Categories of pain relievers ever used |
|---|---|---|---|---|
| % | Mean | Mean | Mean | |
| (n) | (95% CI) | (95% CI) | (95% CI) | |
| Overall | 100 | 13.5 | 38.2 | 2.0 |
| (2,675) | (13.33–13.62) | (35.11–41.23) | (1.94–2.13) | |
| Use without DSM-IV symptom | 64.7 | 13.6 | 29.0 | 1.7 |
| (1,764) | (13.44–13.76) | (25.55–32.49) | (1.59–1.75) | |
| Abuse | 6.7 | 13.1a | 55.6b | 2.7b |
| (186) | (12.74–13.43) | (39.50–71.75) | (2.15–3.26) | |
| Subthreshold dependence | 19.6 | 13.3 | 39.6b | 2.1b |
| (511) | (12.98–13.65) | (33.04–46.07) | (1.91–2.37) | |
| Dependence regardless of abuse | 9.0 | 13.3 | 86.7c | 3.9c |
| (214) | (12.75–13.76) | (73.45–101.89) | (3.49–4.32) | |
CI = confidence interval.
Bold: Significant differences between diagnostic groups by t-tests, two-tailed, p < .05.
a
Abuse < Use without DSM-IV symptom.
b
Abuse, Subthreshold dependence > Use without DSM-IV symptom.
c
Dependence regardless of abuse > Use without DSM-IV symptom, Abuse, Subthreshold dependence.