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. 2021 Nov 1;17(11):2205–2214. doi: 10.5664/jcsm.9418

Table 4.

Multivariate logistic regression analysis determining associations between insufficient sleep (number of hours sleep reported) and both lifetime and current prescription opioid misuse.

Sleep Reported Lifetime Prescription Opioid Misuse Current Prescription Opioid Misuse
aOR* 95% CI P aOR* 95% CI P
8–9 h (reference) Ref Ref
 7 h 1.2 (0.9–1.7) .208 0.9 (0.7–1.3) .656
 6 h 1.5 (1.1–1.9) .008 1.0 (0.7–1.5) .966
 5 h 1.5 (1.1–2.1) .016 1.1 (0.7–1.5) .787
 4 h or less 1.8 (1.2–2.6) .002 1.3 (0.8–2.3) .301

*Adjusted for age, sex, race, and ethnicity; current tobacco use; current marijuana use; current alcohol use; depressive symptoms; sexual assault; and being threatened with a weapon. aOR = adjusted odds ratio, CI = confidence interval.