Table 3.

Final multivariate analyses of correlates of nonmedical use of prescription medication

Characteristics	Multivariate analyses OR (95% CI)
Sex
Female	1.0 (Reference)
Male	1.16 (0.91 to 1.48)
Lifetime regular alcohol use	1.72 (1.36 to 2.16)
Number of illicit drugs used (≥2)	4.09 (3.06 to 5.48)
Attention-deficit disorder with or without hyperactivity	1.47 (1.13 to 1.91)
Anxiety disorder	2.14 (1.57 to 2.92)
Low self-esteem	1.62 (1.26 to 2.08)
Low self-control	1.95 (1.55 to 2.45)
Low parental supervision	1.43 (1.11 to 1.83)