Table 1.

Multivariable regression analysis of variables associated with misuse of prescription opioids

Variables	OR (95% CI)	p-value
Any opioid prescription	4.06 (1.62–10.18)	0.003
Average hours of sleep	0.80 (0.66–0.97)	0.02
History of illicit drug use	5.45 (2.48–11.98)	<0.0001

Abbreviations: OR, odds ratio; CI confidence interval.