combined use of niaaa single question screen & assist to detect at-risk drinking
DESCRIPTION
Combined Use of NIAAA Single Question Screen & ASSIST to Detect At-risk Drinking. J. Paul Seale, M.D. J. Aaron Johnson, Ph.D. Sylvia Shellenberger, Ph.D. Medical Center of Central GA & Mercer U. School of Medicine Macon, GA (USA). Acknowledgements. - PowerPoint PPT PresentationTRANSCRIPT
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J. Paul Seale, M.D.J. Aaron Johnson, Ph.D.
Sylvia Shellenberger, Ph.D.
Medical Center of Central GA &Mercer U. School of Medicine
Macon, GA (USA)
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Acknowledgements
Funding source: U.S. Substance Abuse & Mental Health Services Administration (SAMHSA) and Center for Substance Abuse Treatment (CSAT)
Co-authors J. Aaron Johnson, Ph.D.Sylvia Shellenberger, Ph.D.
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ObjectivesTo highlight the importance of detecting at-
risk drinkingTo describe the challenges to detection of at-
risk drinking encountered in the Georgia BASICS SBIRT Project
To explore ways to improve alcohol screening for at-risk drinking in SBIRT projects
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U.S. Screening, Brief Intervention & Referral to Treatment (SBIRT) Projects
Priority project of the Office of National Drug Control Policy
15 projects funded by SAMSHA
Dissemination projects which implement SBI and Referral to Treatment in various healthcare settings
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Services ProvidedScreeningBrief InterventionBrief TherapyReferral to Treatment
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How is SBIRT screening typically performed?Many projects are using single question
screens for initial patient screening
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NIAAA Single Question Screen (NSQS)Utilized in national telephone survey
regarding alcohol use (NESARC)Slightly different wording: How many times
in the past year have you had x or more drinks in a day? (x=4 for women, 5 for men)
Detects 98% of at-risk US drinkers
NIAAA, 2005
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Validation Data for NIAAA Single QuestionSmith, et al, 2009—primary care single site
validation study
Sensitivity: 82%Specificity: 79%
for detecting at-risk alcohol use, alcohol abuse and alcohol dependence
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Why is single question alcohol screening particularly useful in alcohol SBI?
34 RCT’S of alcohol SBI reviewed: Resulted in 10-30% reduction
in alcohol consumption for at least 12 months after SBI
Primarily beneficial with at-risk and non-dependent problem drinkers
Whitlock et al, 2004
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Spectrum of Alcohol Use Patterns
None
LightModerate
Heavy
None
SmallModerate
Severe
Alcohol Problems
Alcohol Use
Low Risk At Risk Problem Dependent
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What is at-risk drinking? Males <65 yrs old: more than 14 drinks per
week or more than 4 drinks/day
Females & males 65 and older: more than 7 drinks per week or more than 3 drinks per day
U.S. standard drink: 14 grams alcohol;NIAAA, 2005
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Comparative Prevalence of At-risk Use vs AUDs (U.S.)
Low-risk Drinkers
30%
Abstainers 40%
At-risk Drinkers 21%
Alcohol Abuse 5% Alcohol
Dependent 4%
7-26
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Purpose of ASSIST differsDeveloped by World Health Organization
(WHO ) for detection of both alcohol and drug misuse
8 questions regarding each substance of abuse
Assesses lifetime use (4 questions) with special focus on past 3 month use (4 questions)
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Validation of ASSISTValidated in multinational sampleCutoff points set based on gold standard
diagnoses of use (low-risk), abuse & dependence of both alcohol & drugs
No distinction between low-risk and at-risk alcohol use employed in validation
No cutoff point described for detection of at-risk drinking
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Rounded cut-off scores for ASSIST v3.0
Low Risk Moderate Risk (abuse)
High Risk (dependence)
Alcohol 0-10 11-26 27+All other substances
0-3 4-26 27+
ASSIST Phase 2 Technical Report, 2006
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Protocols for Screening & Intervention in GA BASICS Project
Initial single question screening is done by nursing triage personnel
Positive single question screen triggers automatic referral to health educators
Health educators use ASSIST to stratify patients Information/education if low risk BI if moderate riskBT referral if high riskRT if very high risk
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Debate re ASSIST Cutpoint in Georgia BASICS ProjectLengthy discussion between two sites on which
cutoff to use for alcohol to administer BI.Atlanta: huge patient volume, greatest
concern= patients with abuse & dependence, concerns of overwhelming HE team with large numbers of at-risk pts, chose to use cutoff of 11 for alcohol.
Macon: desire to focus SBIRT services on pts most likely to benefit (at-risk), chose to use same cutoff of 4 for alcohol as well as for drugs.
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Cutpoints now in use in GA BASICSRisk Level Macon
CutoffAtlanta Cutoff
Service Provided
Low 0-3 0-10 Info, Education
Moderate 4-19 11-19 BI
High 20-26 20-26 BI & BT
Very High 27+ 27+ BI & Refer to Tx
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How likely are patients with low ASSIST scores to be low risk? Baseline sample of prescreen-positive
patients recruited in Macon site Feb-April 2009
890 patients consented and enrolledSample recruited prior to implementation
of SBIRT services (health educators not yet trained in MI)
Baseline sample received “assessment only” (ASSIST & several other instruments), no BI or other services
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Patient Demographics (N=861)
Freq % Mean (SD)
Gender (Male) 516 63%
Age 41(13)
- 18-24 years 111 14%
- 25-34 years 174 21%
- 35 44 years 169 21%
- 45-54 years 215 26%
- 55-64 years 103 13%
- 65 or older 35 4%
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Patient Demographics (N=861)Freq % Mean (SD)
Race/Ethnicity
- Hispanic/Latino (any race) 20 2%
- Black/African American 486 56%
- Asian 4 <1%
- American Indian 38 4%
- Hawaiian Native 5 <1%
- Alaska Native 0 0%
- White 308 36%
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ASSIST Score Distribution of Baseline Patients with Positive Single Question Screens
ASSIST Score Number of patients
Percent of patients
0-3 162 22.2%
4-10 238 32.7%
11-19 160 21.9%
20-26 82 11.4%
27+ 83 11.8%
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Risk Categorization of Baseline Patients with Positive Single Question Screen using published cutoff points
Risk Level ASSIST Score Number of patients
Percent of patients
Low 0-10 400 54.9%
Moderate 11-19 160 21.9%
High Risk 20-26 82 11.4%
Very High Risk 27+ 83 11.8%
*Problem: those who screen positive on single-question screen meet NIAAA definition for at-risk drinking based on daily limit
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Risk Categorization of Baseline Patients using modified ASSIST cutoff of 4
ASSIST Score Number of patients
Percent of patients
Low risk 0-3 162 22.2%
Moderate risk 4-19 398 54.6%
High risk 20-26 82 11.4%
Very high risk 27+ 83 11.8%
Note: Some patients (15%?) change responses from positive to negative or vice versa between first and second screen. Reasons?
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ConclusionsExisting ASSIST cutoff scores were not
designed for detecting at-risk drinking, but rather suspected alcohol abuse & dependence
For this reason, patients with ASSIST alcohol scores below 10 should not automatically be considered “low risk drinkers,” according to current U.S. definitions
Further research is needed to determine an appropriate ASSIST cutoff point for at-risk drinking
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Conclusions (cont.)Combination of ASSIST with another
measure (single question screen or quantity-frequency questions) may also help identify at-risk drinkers according to consumption patterns
SBIRT personnel should be careful not to congratulate patients for low-risk drinking based solely on ASSIST scores—PRIMUM NON NOCERE
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Future Research DirectionsASSIST validation study using gold standard
for at-risk drinking
More validation studies needed for NIAAA single question screen and brief drug screening questions