Dataset Information

Alcohol use disorder and motives for prescription opioid misuse: A latent class analysis.

ABSTRACT: Introduction: Among those who misuse prescription opioids, alcohol use disorder (AUD) is associated with progression to opioid use disorder, risk of overdose, and poor treatment outcomes. However, little is known about co-occurring AUD and prescription opioid misuse. Motives, or reasons, for substance use are important factors in substance use initiation and maintenance; characterizing common motives can help inform treatment targets. The aims of the present study were to (1) identify patterns of motives for prescription opioid misuse, and (2) examine the association between AUD and motives. Methods: Data were extracted from the 2015 National Survey on Drug Use and Health. Analyses included adult respondents with past-year prescription opioid misuse (N?=?2,627), of which 24.2% had a co-occurring AUD. Latent class analysis was utilized to identify patterns of motives for prescription opioid misuse. AUD was included as a predictor of class membership. Results: We identified three classes: (1) pain relief (56.1% of the sample), (2) recreational (e.g., to get high; 29.3%), and (3) mixed motives (e.g., coping, pain relief, recreational; 14.6%). AUD was associated with greater odds of membership in the recreational (OR = 2.05, 95% CI = 1.36, 3.10, p?=?.001) and mixed motives (OR = 2.11, 95% CI = 1.21, 3.67, p?=?.008) classes, as compared to the pain relief class. Results: Pain relief was the most commonly endorsed motive for opioid misuse among those with and without AUD. These results underscore the need to improve pain management among those who misuse prescription opioids. Those with co-occurring AUD might also benefit from interventions targeting negative affect and/or positive outcome expectancies.

SUBMITTER: Votaw VR

PROVIDER: S-EPMC6785983 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Alcohol use disorder and motives for prescription opioid misuse: A latent class analysis.

Votaw Victoria R VR McHugh R Kathryn RK Witkiewitz Katie K

Substance use & misuse 20190507 9

<i>Introduction:</i> Among those who misuse prescription opioids, alcohol use disorder (AUD) is associated with progression to opioid use disorder, risk of overdose, and poor treatment outcomes. However, little is known about co-occurring AUD and prescription opioid misuse. Motives, or reasons, for substance use are important factors in substance use initiation and maintenance; characterizing common motives can help inform treatment targets. The aims of the present study were to (1) identify pat ...[more]

PMID: 31062626

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Project description:BackgroundMedicaid presently insures about one-fourth of the US population and disproportionately insures about 38 % of non-elderly adults with an opioid use disorder (OUD). Owing to Medicaid's prominent role insuring persons with an OUD and that Medicaid coverage includes pharmaceutical benefits, there has been considerable interest in studying potential prescription opioid misuse among Medicaid beneficiaries and identifying subpopulations at higher risk for misuse and possible progression to an OUD.MethodsThe study goals were to explore the associations among prescription opioid misuse, OUD, and co-occurring mental health and other substance use disorders (SUD). We analyzed Illinois Medicaid 2018 claims data for 1102479 adult beneficiaries 18 to 64 years of age. Using algorithms based on previous studies, we first determined either the presence or absence of nine SUDS (including OUD), nine mental health disorders and likely prescription opioid misuse. Then, we subdivided the beneficiary sample into five groups: those who were prescribed opioids and evidenced either no, possible, or probable misuse; those evidencing an OUD; and those evidencing no opioid use or misuse.ResultsBivariate analyses, upset plots, and multinomial logistic regressions were used to compare the five subgroups on the prevalence of co-occurring SUDS and mental health disorders. Those with an OUD or with probable prescription opioid misuse had the highest prevalence of most co-occurring conditions with beneficiaries with an OUD the most likely to evidence co-occurring SUDS, particularly tobacco use disorder, whereas those with probable misuse had elevated prevalence rates of co-occurring mental health disorders comparable to those with an OUD.ConclusionThe medical complexity of persons with an OUD or misusing prescription opioids are considered in light of recent attempts to expand buprenorphine provision as a medication for OUD among Medicaid beneficiaries. Additionally, we consider the possibility of gender, co-occurring mental health disorders, and tobacco use disorder as important risk factors for progressing to prescription opioid misuse and an OUD.

Project description:BackgroundVaginal delivery is the most common reason for hospitalization in the United States, and approximately 30% of women fill an opioid prescription after vaginal delivery, making this a common source of opioid exposure in women of reproductive age.ObjectiveThis study aimed to evaluate the effect of receiving an opioid prescription after vaginal delivery on the risk of subsequent persistent opioid use, opioid use disorders, and overdose.Study designWe assembled a nationwide cohort of Medicaid beneficiaries in the United States using the Medicaid Analytic eXtract 2009-2014. The study population included pregnant women who delivered vaginally between 2009 and 2013 and were continuously enrolled in Medicaid from 90 days before to 365 days after delivery. We identified patients with prescription opioids dispensed within 7 days of the date of vaginal delivery. Persistent opioid use was defined as ≥10 opioid fills or >120 days' supply dispensed from 30 to 365 days after delivery. Incident diagnoses of opioid use disorder and overdose were ascertained during the same interval. Propensity score matching was used to control for potential confounding factors.ResultsAmong 459,829 pregnancies ending in vaginal deliveries, 140,807 (30.62%) had an opioid dispensed within 7 days of delivery. Overall, 5770 of 140,807 (4.10%) women who filled an opioid prescription vs 2668 of 319,022 (0.84%) unexposed women had subsequent persistent opioid use, with an unadjusted relative risk of 4.90 (95% confidence interval, 4.68-5.13) and a risk difference of 3.26% (95% confidence interval, 3.15-3.37). After propensity score matching, the risk remained higher among pregnancies with an opioid prescription dispensed, with a relative risk of 2.57 (95% confidence interval, 2.43-2.72) and a risk difference of 2.21% (95% confidence interval, 2.08-2.33), which was confirmed by the instrumental variable analysis with a risk difference of 1.31% (95% confidence interval, 1.06-1.56) by using the rate of opioid prescribing at the delivery facility in a given geographic region as the instrument. The adjusted relative risk of newly diagnosed opioid use disorder and overdose was 1.48 (95% confidence interval, 1.40-1.57) and 1.92 (95% confidence interval, 1.20-3.09), respectively.ConclusionOpioid dispensing following vaginal delivery is associated with future persistent opioid use and misuse, independent of confounding factors. Opioid prescriptions to women after vaginal delivery should be avoided, except in rare circumstances.

Project description:ImportanceBetween 1997 and 2017, the United States saw increases in nonmedical prescription opioid use and its consequences, as well as changes in marijuana policies. Ecological-level research hypothesized that medical marijuana legalization may reduce prescription opioid use by allowing medical marijuana as an alternative.ObjectivesTo investigate the association of state-level medical marijuana law enactment with individual-level nonmedical prescription opioid use and prescription opioid use disorder among prescription opioid users and to determine whether these outcomes varied by age and racial/ethnic groups.Design, setting, and participantsThis cross-sectional study used restricted data on 627 000 individuals aged 12 years and older from the 2004 to 2014 National Survey on Drug Use and Health, a population-based survey representative of the civilian population of the United States. Analyses were completed from March 2018 to May 2018.ExposuresTime-varying indicator of state-level medical marijuana law enactment (0 = never law enactment, 1 = before law enactment, and 2 = after law enactment).Main outcomes and measuresPast-year nonmedical prescription opioid use and prescription opioid use disorder among prescription opioid users. Odds ratios of nonmedical prescription opioid use and prescription opioid use disorder comparing the period before and after law enactment were presented overall, by age and racial/ethnic group, and adjusted for individual- and state-level confounders.ResultsThe study sample included 627 000 participants (51.51% female; 9.88% aged 12-17 years, 13.30% aged 18-25 years, 14.30% aged 26-34 years, 25.02% aged 35-49 years, and 37.50% aged ≥50 years; the racial/ethnic distribution was 66.97% non-Hispanic white, 11.83% non-Hispanic black, 14.47% Hispanic, and 6.73% other). Screening and interview response rates were 82% to 91% and 71% to 77%, respectively. Overall, there were small changes in nonmedical prescription opioid use prevalence after medical marijuana law enactment (4.32% to 4.86%; adjusted odds ratio, 1.13; 95% CI, 1.06-1.20). Prescription opioid use disorder prevalence among prescription opioid users decreased slightly after law enactment, but the change was not statistically significant (15.41% to 14.76%; adjusted odds ratio, 0.95; 95% CI, 0.81-1.11). Outcomes were similar when stratified by age and race/ethnicity.Conclusions and relevanceThis study found little evidence of an association between medical marijuana law enactment and nonmedical prescription opioid use or prescription opioid use disorder among prescription opioid users. Further research should disentangle the potential mechanisms through which medical marijuana laws may reduce opioid-related harm.

Dataset Information

Alcohol use disorder and motives for prescription opioid misuse: A latent class analysis.

Publications

Alcohol use disorder and motives for prescription opioid misuse: A latent class analysis.

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