Table 1.

Prescription opioid misuse, abuse & dependence: RDS populations estimates with bootstrap percentile based confidence intervals (N = 570)

	Sample prev.	Pop. Est.	95% Conf. Int.
Misuse, past year	0.32	0.22	0.18	0.28
Misuse, prior	0.47	0.33	0.26	0.40
Misuse, lifetime	0.51	0.36	0.29	0.42
Chronic intoxication, ever a	0.28	0.20	0.15	0.25
Binge use, ever b	0.28	0.19	0.15	0.25
Any problem use, ever	0.33	0.24	0.18	0.31
PO before heroin problem use	0.20	0.14	0.09	0.19
Abuse, lifetime (no dependence)	0.08	0.04	0.02	0.07
Abuse, lifetime	0.27	0.19	0.14	0.24
Abuse, past year c	0.17	0.11	0.08	0.16
Abuse, prior	0.26	0.18	0.14	0.24
Dependence, lifetime c	0.22	0.17	0.12	0.22
Dependence, past year	0.16	0.11	0.08	0.15
Dependence, prior	0.21	0.16	0.12	0.21

^aused at least 4 days per week for a month

^bused most of the day for three days straight

^cfemale > male, p < .05