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AIMS: To test if contingency management (CM) interventions for alcohol and drug abstinence were associated with increased alcohol and drug abstinence among American Indian adults with alcohol dependence who also use drugs. DESIGN: In this 2 × 2 factorial randomized controlled trial, American Indian adults with alcohol dependence who also used drugs were randomized to four conditions: (1) incentives for submission of urine samples only (control condition), (2) CM incentives for alcohol abstinence, (3) CM incentives for drug abstinence or (4) CM incentives for abstinence from both alcohol and drugs. SETTING: A Northern Plains Reservation in the United States. PARTICIPANTS: A total of 114 American Indian adults aged 35.8 years (standard deviation = 10.4); 49.1% were male. INTERVENTION AND COMPARATOR: Participants received incentives if they demonstrated abstinence from alcohol (CM for alcohol, n = 30), abstinence from their most frequently used drug (CM for drugs, n = 27) or abstinence from both alcohol and their most frequently used drug (CM for alcohol and drugs, n = 32) as assessed by urine tests. Controls (n = 25) received incentives for submitting urine samples only. MEASUREMENTS: Primary outcomes were urine ethyl glucuronide (alcohol) and drug tests conducted three times per week during the 12-week intervention period. Data analyses included listwise deletion and multiple imputation to account for missing data. FINDINGS: The three CM groups were significantly (P < 0.05) more likely to submit alcohol-abstinent urine samples compared with the control condition, with odds ratios ranging from 2.4 to 4.8. The CM for drugs (OR = 3.2) and CM for alcohol and drugs (OR = 2.5) were significantly more likely to submit urine samples that indicated drug abstinence, relative to the control condition (P < 0.05). However, these differences were not significant in multiple imputation analyses (P > 0.05). CONCLUSIONS: Contingency management (CM) incentives for abstinence were associated with increased alcohol abstinence in American Indian adults diagnosed with alcohol dependence who also used drugs, living on a rural reservation. The effect of CM incentives on drug abstinence was inconclusive.
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Alcoolismo , Motivação , Preparações Farmacêuticas , Adulto , Alcoolismo/terapia , Feminino , Humanos , Masculino , Recompensa , População Rural , Transtornos Relacionados ao Uso de Substâncias/terapia , Indígena Americano ou Nativo do AlascaRESUMO
OBJECTIVE: This study describes the perspectives of outpatients with serious mental illness (SMI) and alcohol dependence on their participation in a contingency management (CM) intervention for alcohol use. METHODS: Thirty-five adults with SMI and alcohol dependence participated in a randomized trial of CM for alcohol use, where they were rewarded with prizes contingent on abstinence from alcohol. All participants were interviewed regarding their participation in CM with a consistent structure that included nine open-ended questions. Favored and disliked aspects of CM, perception of alcohol biomarker accuracy, and interest in participating in similar CM interventions provided by treatment centers, rather than researchers, were explored. RESULTS: Participants spoke enthusiastically about receiving prizes, as well as how CM increased their awareness of drinking and helped support their abstinence from alcohol. Most participants felt the ethyl glucuronide biomarker urine tests used to measure alcohol use were accurate, and they were interested in enrolling in CM if it was offered as a clinical program. Research staff who implemented the intervention were well regarded by participants, and interactions with research staff were perceived positively. CONCLUSIONS AND IMPLICATIONS FOR PRACTICE: Adults with SMI and alcohol dependence participating in a trial of CM for alcohol use reported overall positive perceptions of and experiences with CM. Receiving small tangible prizes and having positive interpersonal interactions with study staff were reported as especially impactful. These findings indicate that CM is well received by consumers, in addition to its empirical and practical benefits as an evidence-based, low-cost intervention. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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Alcoolismo/reabilitação , Terapia Comportamental/métodos , Serviços Comunitários de Saúde Mental/métodos , Transtornos Mentais/reabilitação , Aceitação pelo Paciente de Cuidados de Saúde/psicologia , Reabilitação Psiquiátrica/métodos , Recompensa , Detecção do Abuso de Substâncias/psicologia , Adulto , Alcoolismo/urina , Feminino , Glucuronatos/urina , Humanos , Masculino , Pessoa de Meia-IdadeRESUMO
INTRODUCTION: Alcohol and marijuana use are prevalent on college campuses. As recreational marijuana use is legalized, more undergraduate students may use marijuana in combination with alcohol. The motives for, frequency of, and impairment associated with dual use (alcohol and marijuana) compared to alcohol-only use may differ. We examined motives for, frequency of, and impairment associated with alcohol use and dual use at a university in a state where recreational marijuana has been legalized. METHOD: Undergraduate college students completed an anonymous online survey (Nâ¯=â¯430) concerning alcohol and marijuana frequency, motives, and impairment. Students were classified as either alcohol-only users (nâ¯=â¯279) or dual users (nâ¯=â¯151). RESULTS: Analyses indicated that among alcohol-only users, social motives predicted more alcohol use, while among dual users, enhancement motives predicted more alcohol and marijuana use and impairment. Coping motives predicted more marijuana use among dual users, but not more alcohol use. Frequency of alcohol and marijuana use predicted more impairment across both the alcohol-only and dual users. CONCLUSIONS: Future research should examine the influence of marijuana use over time to understand how motives may change for previous alcohol-only users.
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Adaptação Psicológica , Consumo de Álcool na Faculdade/psicologia , Uso da Maconha/psicologia , Motivação , Conformidade Social , Adolescente , Feminino , Humanos , Masculino , Comportamento Social , Inquéritos e Questionários , Adulto JovemRESUMO
BACKGROUND/AIMS: American Indian adults have some of the highest alcohol abstinence rates compared to the overall US population. Despite this, many American Indian people are more likely to concurrently use alcohol and illicit drugs and are less likely to participate and remain in outpatient treatment for alcohol and other drug use compared to the general US population. There is limited knowledge about effective interventions targeting alcohol and drug co-addiction among American Indian adults. Contingency management is a behavioral intervention designed to increase drug abstinence by offering monetary incentives in exchange for drug and alcohol negative urine samples. We aim to evaluate and describe a culturally tailored contingency management intervention to increase alcohol and other drug abstinence among American Indian adults residing in a Northern Plains reservation. METHODS: This 2 × 2 factorial, randomized controlled trial currently includes 114 American Indian adults with alcohol and/or drug dependence who are seeking treatment. Participants were randomized into one of four groups that received (1) contingency management for alcohol, (2) contingency management for other drug, (3) contingency management for both substances, or (4) no contingency management for either substance. We present descriptive, baseline data to characterize the sample and describe the modified contingency management approach that is specific to the community wherein this trial was being conducted. RESULTS: The sample is 49.1% male, with an average age of 35.8 years (standard deviation = 10.4 years). At baseline, 43.0% of the sample tested positive for ethyl glucuronide, 50.9% of participants self-reported methamphetamine as their most used drug, 36.8% self-reported cannabis, and 12.3% self-reported prescription opiates as their most used drug. Among randomized participants, 47.4% tested positive for cannabis, 28.1% tested positive for methamphetamine, 16.7% tested positive for amphetamines, and 2.1% tested positive for opiates. CONCLUSION: This is the first study to examine a culturally tailored contingency management intervention targeting co-addiction of two substances among American Indian adults. By establishing a tribal-university partnership to adapt, implement, and evaluate contingency management, we will increase the literature on evidence-based addiction treatments and research, while improving trust for addiction interventions among American Indian communities through ongoing collaboration. Moreover, results have implications for the use of contingency management as an intervention for co-addiction in any population.
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Assistência à Saúde Culturalmente Competente/métodos , Indígenas Norte-Americanos/estatística & dados numéricos , Transtornos Relacionados ao Uso de Substâncias/terapia , Adulto , Analgésicos Opioides/urina , Feminino , Glucuronatos/urina , Humanos , Masculino , Recompensa , Autorrelato , Adulto JovemRESUMO
The objective of this study was to determine whether the interaction between type of serious mental illness (SMI) and pre-treatment drinking severity, assessed by ethyl glucuronide (EtG), predicts EtG-positive urine samples submitted during treatment in outpatients with co-occurring alcohol dependence and SMI. Seventy-nine participants were randomized to treatment-as-usual or treatment-as-usual and contingency management (CM) targeting alcohol abstinence. Generalized estimating equations were used to assess the interaction of pre-treatment drinking (heavy drinking or light drinking) and SMI diagnosis (major depression, bipolar, or schizophrenia-spectrum disorders) across a 12-week treatment period. In the overall sample, the interaction of drinking severity and SMI diagnosis (p = 0.006) was associated with alcohol abstinence. Exploratory analyses of the interaction term among participants randomized to CM (n = 40; p = 0.008) were associated with alcohol abstinence during CM. Type of SMI diagnosis was associated with treatment outcomes in individuals who engaged in heavy drinking, but not light drinking, prior to treatment.
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INTRODUCTION: Many American Indian and Alaska Native (AI/AN) people seek evidence-based, cost-effective, and culturally acceptable solutions for treating alcohol use disorders. Contingency management (CM) is a feasible, low-cost approach to treating alcohol use disorders that uses "reinforcers" to promote and support alcohol abstinence. CM has not been evaluated among AI/AN communities. This study explored the cultural acceptability of CM and adapted it for use in diverse AI/AN communities. METHODS: We conducted a total of nine focus groups in three AI/AN communities: a rural reservation, an urban health clinic, and a large Alaska Native healthcare system. Respondents included adults in recovery, adults with current drinking problems, service providers, and other interested community members (nâ¯=â¯61). Focus group questions centered on the cultural appropriateness of "reinforcers" used to incentivize abstinence and the cultural acceptability of the intervention. Focus groups were audio-recorded, transcribed, and coded independently by two study team members using both a priori and emergent codes. We then analyzed coded data. RESULTS: Across all three locations, focus group participants described the importance of providing both culturally specific (e.g., bead work and cultural art work supplies), as well as practical (e.g., gas cards and bus passes) reinforcers. Focus group participants underscored the importance of providing reinforcers for the children and family of intervention participants to assist with reengaging with family and rebuilding trust that may have been damaged during alcohol use. Respondents indicated that they believed CM was in alignment with AI/AN cultural values. There was consensus that Elders or a well-respected community member implementing this intervention would enhance participation. Focus group participants emphasized use of the local AI/AN language, in addition to the inclusion of appropriate cultural symbols and imagery in the delivery of the intervention. CONCLUSIONS: A CM intervention for alcohol use disorders should be in alignment with existing cultural and community practices such as alcohol abstinence, is more likely to be successful when Elders and community leaders are champions of the intervention, the intervention is compatible with counseling or treatment methodologies, and the intervention provides rewards that are both culturally specific and practical.
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/psicologia , Alcoolismo/terapia , Terapia Comportamental/métodos , Indígenas Norte-Americanos/psicologia , Adulto , Abstinência de Álcool , Assistência à Saúde Culturalmente Competente , Grupos Focais , Humanos , Recompensa , População Rural , População UrbanaRESUMO
BACKGROUND: In contingency management (CM), individuals receive rewards for alcohol abstinence. CM is associated with reduced alcohol use in adults with co-occurring serious mental illnesses (SMI). Pre-treatment urine ethyl glucuronide (uEtG) levels equivalent to daily heavy drinking (uEtG >349ng/mL) are associated with poor response to CM. Modifications to CM are needed to improve outcomes for non-responders. AIMS: To determine if pre-treatment heavy drinkers, defined by uEtG, with SMI achieve higher levels of alcohol abstinence when they receive an increased magnitude of reinforcement for abstinence (High-Magnitude CM) or reinforcers for reduced drinking, prior to receiving reinforcers for abstinence (Shaping CM), relative to those who receive typical low-magnitude abstinence based CM (Usual CM). Additionally, variables in the Addictions Neuroclinical Assessment model will be examined as treatment response moderators. METHODS: Participants (N=400) will be recruited from two urban mental health organizations and complete a 4-week induction period where they will be reinforced for submitting samples for uEtG testing. Participants who attain a mean uEtG >349mg/mL will be randomized to receive either Usual CM, High-Magnitude CM, or Shaping CM for 16weeks. Differences in abstinence, assessed by uEtG, will be examined during treatment and during a 12-month follow-up. Measures of negative emotionality, alcohol reinforcer salience, and executive functioning will be gathered at study intake and used to predict treatment outcomes. DISCUSSION: This novel approach to CM will use an alcohol biomarker to identify those at risk for treatment non-response and determine if adaptations to CM might improve outcomes for this group.
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Abstinência de Álcool/psicologia , Consumo de Bebidas Alcoólicas , Terapia Comportamental/métodos , Transtornos Mentais , Reforço Psicológico , Recompensa , Adulto , Consumo de Bebidas Alcoólicas/psicologia , Consumo de Bebidas Alcoólicas/terapia , Feminino , Humanos , Masculino , Transtornos Mentais/psicologia , Transtornos Mentais/terapia , Pessoa de Meia-Idade , Administração dos Cuidados ao Paciente/métodos , Resultado do TratamentoRESUMO
BACKGROUND: Adults experiencing homelessness and serious mental illnesses (SMI) are at an increased risk of poor mental health and treatment outcomes compared with stably housed adults with SMI. The additional issue of alcohol misuse further complicates the difficulties of those living with homelessness and SMI. In this secondary data analysis, the authors investigated the impact of homelessness on attrition and alcohol use in a contingency management (CM) intervention that rewarded alcohol abstinence in outpatients with SMI. METHODS: The associations between housing status and attrition and alcohol abstinence during treatment, as assessed by ethyl glucuronide (EtG) urine tests, were evaluated in 79 adults diagnosed with alcohol dependence and SMI. RESULTS: Thirty-nine percent (n = 31) of participants reported being homeless at baseline. Individuals who were homeless were more likely to drop out of CM (n = 10, 62.5%) than those who were housed (n = 4, 16.7%), χ2(1) = 8.86, P < .05. Homelessness was not associated with attrition in the noncontingent control group. Accounting for treatment group and prerandomization EtG levels, neither the effect of housing status nor the interaction of housing status and group were associated with EtG-assessed alcohol abstinence during treatment. CONCLUSIONS: Individuals experiencing homelessness and co-occurring alcohol dependence and SMI receiving CM had higher rates of attrition, relative to those who were housed. Homelessness was not associated with differences in biologically assessed alcohol abstinence.
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Abstinência de Álcool/psicologia , Alcoolismo/epidemiologia , Pessoas Mal Alojadas/psicologia , Transtornos Mentais/epidemiologia , Pacientes Ambulatoriais/psicologia , Cooperação do Paciente/psicologia , Adulto , Alcoolismo/terapia , Alcoolismo/urina , Terapia Comportamental , Comorbidade , Feminino , Glucuronatos/urina , Humanos , Masculino , Pessoa de Meia-Idade , Washington/epidemiologiaRESUMO
We examined whether the interaction of baseline stimulant use, assessed by urine drug tests, and type of serious mental illness (SMI) diagnosis predicted stimulant use in a trial of contingency management (CM). The interaction between baseline stimulant use and SMI diagnoses was significant in the overall sample (p=0.002) when controlling for the main effects of treatment condition, baseline stimulant use, and SMI diagnosis. Similar results were also found within the CM sample. Individuals with bipolar disorder were more or less likely, depending on their baseline stimulant-drug test results, to use stimulants during treatment compared to those with other SMI diagnoses.
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Terapia Comportamental/métodos , Transtorno Bipolar/terapia , Estimulantes do Sistema Nervoso Central , Transtorno Depressivo Maior/terapia , Avaliação de Resultados em Cuidados de Saúde , Esquizofrenia/terapia , Transtornos Relacionados ao Uso de Substâncias/terapia , Adulto , Transtorno Bipolar/epidemiologia , Estimulantes do Sistema Nervoso Central/urina , Comorbidade , Transtorno Depressivo Maior/epidemiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Esquizofrenia/epidemiologia , Transtornos Relacionados ao Uso de Substâncias/epidemiologiaRESUMO
Introduction: People with serious mental illness (SMI) use cannabis more than any other illicit drug. Cannabis use is associated with increased psychotic symptoms and is highly comorbid with alcohol use disorders (AUDs). Despite the national trend toward decriminalization, little is known about the prevalence, correlates, and impact of cannabis use on those with SMI receiving treatment for substance use disorders, a group at high risk for the negative effects of cannabis use. Methods: In this secondary data analysis, cannabis use prevalence, correlates, and impact on treatment outcomes were examined in 121 adults with cooccurring SMI and AUDs receiving outpatient addiction treatment in a randomized trial of contingency management (CM) for alcohol. Prevalence and frequency of cannabis use were calculated across the 7-month study period using self-report and urine tests. Cannabis users were compared with nonusers by SMI diagnosis, psychiatric symptoms, medical problems, legal problems, and HIV-risk behavior. The relationship between cannabis use and longest duration of alcohol abstinence in participants randomized to CM (n=40) was assessed. Results: Fifty-seven (47%) of participants submitted at least one cannabis-positive urine sample during the study. Out of the 2834 total samples submitted, 751 (27%) were positive for cannabis. Cannabis users were 2.2 times more likely to submit an alcohol-positive sample, and 2.5 times more likely to submit a cocaine-positive sample at baseline, relative to noncannabis users (p=0.01). Cannabis users were more likely to engage in risky sexual behavior (p=0.01) and to report being homeless (p=0.03) than nonusers. When controlling for pretreatment alcohol use, the relationship between comorbid cannabis use and alcohol abstinence during CM was not significant (p=0.77). Conclusion: Rates of comorbid cannabis use were high in this sample of adults with SMI and AUDs. Cannabis use was correlated with recent alcohol and cocaine use, risky sexual behavior, and homelessness, but not with alcohol abstinence during CM.
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BACKGROUND AND OBJECTIVES: This study investigated if pretreatment ethyl glucuronide (EtG) levels corresponding to light (100 ng/mL), heavy (500 ng/mL), and very heavy (1,000 ng/mL) drinking predicted longest duration of alcohol abstinence (LDA) and proportion of EtG-negative urine tests in outpatients receiving a 12-week EtG-based contingency management (CM) intervention for alcohol dependence. METHODS: Participants were 40 adults diagnosed with alcohol use disorders and serious mental illness who submitted up to 12 urine samples for EtG analysis during a 4-week observation period and were then randomized to 12-weeks of CM for alcohol abstinence and addiction treatment attendance. Alcohol use outcomes during CM as assessed by EtG and self-report were compared across those who did and did not attain a pre-treatment average EtG level of 500 ng/mL-a level that equates to frequent heavy drinking. RESULTS: Only the 500 ng/mL cutoff was associated with significant differences in LDA and proportion of EtG-negative samples during CM. Those with a pre-treatment EtG < 500 ng/mL attained a LDA 2.3 (alcohol) to 2.9 (drugs) weeks longer than pre-treatment heavy drinkers. DISCUSSION AND CONCLUSIONS: The EtG biomarker can be used to determine who will respond to a CM intervention for alcohol use disorders and could inform future trials that are designed to be tailored to individual patients. SCIENTIFIC SIGNIFICANCE: Results suggest pre-treatment EtG cutoffs equivalent to heavy and very heavy drinking predict outcomes in CM. (Am J Addict 2017;26:673-675).
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Alcoolismo/terapia , Terapia Comportamental/métodos , Glucuronatos , Transtornos Mentais , Adulto , Alcoolismo/complicações , Alcoolismo/diagnóstico , Alcoolismo/urina , Biomarcadores/análise , Biomarcadores/urina , Diagnóstico Duplo (Psiquiatria) , Manual Diagnóstico e Estatístico de Transtornos Mentais , Feminino , Glucuronatos/análise , Glucuronatos/urina , Humanos , Masculino , Transtornos Mentais/complicações , Transtornos Mentais/diagnóstico , Pessoa de Meia-Idade , Pacientes Ambulatoriais , Valor Preditivo dos Testes , Autorrelato , Resultado do TratamentoRESUMO
Phosphatidylethanol (PEth) can be detected in blood from 14 to as many as 28 days after alcohol consumption, depending on the amount and frequency of alcohol consumed. PEth may have utility for verifying abstinence in a contingency management (CM) intervention for alcohol use, particularly in settings where frequent verification of abstinence is impossible or impractical. Five nontreatment-seeking heavy drinkers (40% men) participated in an 11-week, ABA-phased within-subject experiment for which they submitted blood spots for PEth measurement, urine samples for ethyl glucuronide (EtG) testing, and self-report drinking data weekly. Participants received reinforcers for submitting samples throughout the A phases. During the B phase (CM phase), they received additional reinforcers when their PEth level was reduced from the previous week and was verified by a negative EtG (<150 ng/ml) urine test and self-report. PEth, EtG, and self-report outcomes were compared between A phases (Weeks 1-3, 8-11) and B phases (Weeks 4-7). During the A phases, 23% of PEth results indicated alcohol abstinence, whereas 53% of PEth samples submitted during the CM (B phase) indicated alcohol abstinence. Participants were more likely to submit EtG-negative urine samples and report lower levels of drinking and heavy drinking during the B phase, relative to the A phases. We also explored the ability of PEth to detect self-reported drinking. The combined PEth homologs (16:0/18:1 and 16:0/18:2) predicted self-reported drinking with area under the curve from 0.81 (1 week) to 0.80 (3 weeks). Results support the initial feasibility of a Peth-based CM intervention. (PsycINFO Database Record
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Abstinência de Álcool , Consumo de Bebidas Alcoólicas/metabolismo , Glucuronatos/urina , Glicerofosfolipídeos/sangue , Adulto , Consumo de Bebidas Alcoólicas/sangue , Consumo de Bebidas Alcoólicas/urina , Terapia Comportamental , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Projetos Piloto , AutorrelatoAssuntos
Glucuronatos/urina , Detecção do Abuso de Substâncias/métodos , Consumo de Bebidas Alcoólicas/urina , Alcoolismo/urina , Biomarcadores/urina , Feminino , Humanos , Imunoensaio/métodos , Masculino , Espectrometria de Massas/métodos , Pessoa de Meia-Idade , Projetos Piloto , Sistemas Automatizados de Assistência Junto ao LeitoRESUMO
OBJECTIVE: The authors examined whether a contingency management intervention using the ethyl glucuronide (EtG) alcohol biomarker resulted in increased alcohol abstinence in outpatients with co-occurring serious mental illnesses. Secondary objectives were to determine whether contingency management was associated with changes in heavy drinking, treatment attendance, drug use, cigarette smoking, psychiatric symptoms, and HIV-risk behavior. METHOD: Seventy-nine (37% female, 44% nonwhite) outpatients with serious mental illness and alcohol dependence receiving treatment as usual completed a 4-week observation period and were randomly assigned to 12 weeks of contingency management for EtG-negative urine samples and addiction treatment attendance, or reinforcement only for study participation. Contingency management included the variable magnitude of reinforcement "prize draw" procedure contingent on EtG-negative samples (<150 ng/mL) three times a week and weekly gift cards for outpatient treatment attendance. Urine EtG, drug test, and self-report outcomes were assessed during the 12-week intervention and 3-month follow-up periods. RESULTS: Contingency management participants were 3.1 times (95% CI=2.2-4.5) more likely to submit an EtG-negative urine test during the 12-week intervention period, attaining nearly 1.5 weeks of additional alcohol abstinence compared with controls. Contingency management participants had significantly lower mean EtG levels, reported less drinking and fewer heavy drinking episodes, and were more likely to submit stimulant-negative urine and smoking-negative breath samples, compared with controls. Differences in self-reported alcohol use were maintained at the 3-month follow-up. CONCLUSIONS: This is the first randomized trial utilizing an accurate and validated biomarker (EtG) to demonstrate the efficacy of contingency management for alcohol dependence in outpatients with serious mental illness.
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Alcoolismo/terapia , Alcoolismo/urina , Glucuronatos/urina , Transtornos Mentais/sangue , Transtornos Mentais/terapia , Reforço por Recompensa , Adulto , Alcoolismo/epidemiologia , Alcoolismo/psicologia , Assistência Ambulatorial , Comorbidade , Diagnóstico Duplo (Psiquiatria) , Feminino , Seguimentos , Humanos , Masculino , Transtornos Mentais/epidemiologia , Transtornos Mentais/psicologia , Pessoa de Meia-Idade , Cooperação do Paciente/psicologiaRESUMO
Through narrative analysis, this paper explores the changes in acceptance of and response to substance use in Muslim culture by evaluating data collected in qualitative interviews in Jordan in 2013. What is known and unknown about substance use in Muslim culture throughout the Arab world from previous research findings provides a foundation from which to explore new perspectives and compare themes between younger and older generations in Jordan. Trends of social change and behavioral expression influenced by dramatic political and social upheaval in the Arab world in the last 5 years will also be evaluated for the way in which they may be influencing both substance use and its acceptance among young adults in this population. Recommendations for future research and work in this area are also provided based on these findings.
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Consumo de Bebidas Alcoólicas/epidemiologia , Drogas Ilícitas , Islamismo/psicologia , Fumar Maconha/epidemiologia , Uso de Tabaco/epidemiologia , Adulto , Fatores Etários , Consumo de Bebidas Alcoólicas/psicologia , Cultura , Feminino , Humanos , Entrevistas como Assunto , Jordânia/epidemiologia , Masculino , Fumar Maconha/psicologia , Pessoa de Meia-Idade , Pesquisa Qualitativa , Uso de Tabaco/psicologia , Adulto JovemRESUMO
AIMS: This study investigated which ethyl glucuronide immunoassay (EtG-I) cutoff best detects heavy versus light drinking over five days in alcohol dependent outpatients. METHODS: A total of 121 adults with alcohol use disorders and co-occurring psychiatric disorders took part in an alcohol treatment study. Participants provided self-reported drinking data and urine samples three times per week for 16-weeks (total samples=2761). Agreement between low (100 ng/mL, 200 ng/mL), and moderate (500 ng/mL) EtG-I cutoffs and light (women ≤3 standard drinks, men ≤4 standard drinks) and heavy drinking (women >3, men >4 standard drinks) were calculated over one to five days. RESULTS: The 100 ng/mL cutoff detected >76% of light drinking for two days, and 66% at five days. The 100 ng/mL cutoff detected 84% (1 day) to 79% (5 days) of heavy drinking. The 200 ng/mL cutoff detected >55% of light drinking across five days and >66% of heavy drinking across five days. A 500 ng/mL cutoff identified 68% of light drinking and 78% of heavy drinking for one day, with detection of light (2-5 days <58%) and heavy drinking (2-5 days <71%) decreasing thereafter. Relative to 100 ng/mL, the 200 ng/mL and 500 ng/mL cutoffs were less likely to result in false positives. CONCLUSIONS: An EtG-I cutoff of 100 ng/mL is most likely to detect heavy drinking for up to five days and any drinking during the previous two days. Cutoffs of ≥500 ng/mL are likely to only detect heavy drinking during the previous day.