Social Anxiety and Alcoholism
description
Transcript of Social Anxiety and Alcoholism
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Social Anxiety and Alcoholism
A Complex Relationship
Carrie Randall, Ph.D.Charleston Alcohol Research CenterMedical University of South Carolina
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Overview
I. Social anxiety disorder (aka social phobia)
II. Comorbidity of alcoholism and social anxiety disorder
III. Self-medication/drinking to cope
IV. Treating the comorbidity: Empirical data
V. Future directions
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DSM-IV diagnostic criteriaSocial Anxiety Disorder
Intense and persistent fear of scrutiny
Extreme discomfort in social situations
Interference with daily activities
Recognition that the fear is excessive;
marked distress about the condition
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Social anxiety disorder ≠ shyness
More intense discomfort
More avoidance of social situations
More impairment in functioning
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Two types
Non-generalized (limited)
GeneralizedFear most social situationsHave more severe fears Have an earlier age of onset
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Prevalence of Anxiety Disorders in Population Studies:The National Comorbidity Survey
and the Epidemiological Catchment Area StudyP
reva
len
ce R
ate
s (%
)
SAD PTSD GAD PD OCD0%
5%
10%
15%13.3%
7.8%
5.1%
3.5%2.5%
SAD = Social Anxiety DisorderPTSD = Posttraumatic Stress DisorderGAD = Generalized Anxiety DisorderPD = Panic DisorderOCD = Obsessive-Compulsive Disorder
Kjernisted & Bleau, 2004. Canadian Journal of Psychiatry 49:51S-63S.
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Features of social anxiety disorder
Females are 2.5 times more likely than males to be affected
More males than females seek treatment Onset is in early adolescence Unremitting without treatment Negatively impacts quality of life
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Comorbidity with Alcohol Dependence
Lifetime prevalence is ~20% in clinical samples
Social anxiety disorder almost always appears first
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Does social anxiety disorder increase the risk of
alcoholism?
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Self-medication hypothesis
Comorbid AUD + SP
Onsetof
social anxiety
Drinking to cope
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No 5645
Yes 232
No (96.1%)
4%
National Comorbidity Survey
Bolton et al. ADAA Conference, March 2004
Ever drink more than usual or use drugs not prescribed to help reduce fear or anxiety?
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Adjusted odds ratios for association of DSM-III-R disorders with self-medication
AA* DA* PTSD* GAD Social Phobia*
SmP Ag* PD0
5
10
15
20
25
30
Ad
just
ed O
R (
95%
CI)
Alcohol Abuse/dependence
Drug Abuse/dependence
Post-Traumatic Stress Disorder
Generalized Anxiety Disorder
Social Phobia
Simple Phobia
Agoraphobia
Panic Disorder
AA:
DA:
PTSD:
GAD:
SP:
SmP:
Ag:
PD:
Bolton et al. ADAA Conference, March 2004
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Drinking to cope in socially anxious individuals:
A controlled study
Thomas, Randall & Carrigan, 2003 ACER 27:1937-1943.
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Study description
Participants were involved in a larger project on attentional biases in socially anxious subjects who drink to cope
Recruitment of participants via community ads
Individuals were excluded who were currently receiving treatment for alcoholism or anxiety problems
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“Do you ever drink alcohol to help you feel
more comfortable or less anxious during
social situations?”
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Anxious group Non-anxious group0
20
40
60
80
100P
erc
ent
resp
on
din
g Y
ES
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How often would you AVOID a social situation if you knew you would not be able to drink during it?
Anxious group Non-anxious group0
20
40
60
80
100P
erce
nt
resp
on
din
g ≥
SO
ME
OF
TH
E T
IME
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How many drinks would you usually need to feel comfortable or less anxious during social situations?
Anxious group Non-anxious group1
2
3
4
5M
ean
nu
mb
er
of
dri
nk
s (1
-5)
± S
EM
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“Do you ever drink alcohol BEFORE a
social situation
to help you feel comfortable?”
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Anxious group Non-anxious group0
20
40
60
80
100P
erce
nt
resp
on
din
g Y
ES
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How often would you AVOID a social situation if you knew you would not be able to drink before it?
Anxious group Non-anxious group0
20
40
60
80
100P
erce
nt
resp
on
din
g ≥
SO
ME
OF
TH
E T
IME
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“How much does alcohol relieve
your anxiety in social situations?”
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Anxious group Non-anxious group0
2
4
6
8
10A
lco
ho
l an
xio
lysi
s (
0-10
) ±
SE
M
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Anxiety relief by alcohol and drinking to cope: individuals with high social anxiety
Bivariate r = .71, p < .001 R2 = .50
0
1
2
3
4
5
6
7
8
9
10
0 1 2 3 4 5 6 7 8 9 10Percentage time DTC during social situations
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Conclusions
High prevalence of drinking to cope in both groups
Socially anxious group was more likely than non-anxious group to drink both in anticipation of and during social situations
Socially anxious individuals were more likely to “avoid”
Alcohol appears to relieve anxiety more in the socially anxious group
Degree of anxiety relief by alcohol is related to propensity to drink to cope
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Does social anxiety disorder complicate treatment for
alcoholism?
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Alcoholics with (vs. without) social anxiety disorder
Endorse drinking to improve functioning
Greater endorsement of suicidal ideation
More severe alcohol dependence
More likely to have comorbid affective disorder (especially women)
Thomas et al., 1999. JSA 60: 472-479Randall et al., 2000. Am J Addictions 9:202-215
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Alcoholic women with social anxiety disorder:Time to first heavy drinking day
Thevos et al., 2000. Addict Behav 25:333-345.
0 10 20 30 40 50 60 70 80 900
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Days during treatment
CBT
TSF
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Onsetof
social anxiety
Alcohol used
to reduce anxiety
AUD +
socialanxiety
Alcoholism tx Social anxietypersists
Relapse
Working Model
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Comorbidity of alcoholism and social anxiety disorder
Clinical trials investigating optimal treatment approaches
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Concurrent alcoholism and social anxiety disorder
A first step toward developing effective treatments
Randall et al., 2001. ACER 25:210-220.
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Participants
All clients (N=93) were seeking treatment for alcohol problems
All clients met DSM-III-R criteria for current alcohol dependence
All clients met DSM-III-R criteria for current social anxiety disorder
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Study design
Two group, randomized clinical trial:
Alcohol Only CBT
Alcohol and Social Phobia CBT
12 sessions of individual manual-guided cognitive behavioral therapy for both disorders
Assessment points
Baseline End of 12-week treatment Follow-up at 3, 6, & 9 months after treatment completion
(3 month follow-up is presented)
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Hypotheses
Clients who received DUAL treatment would have greater reduction in social anxiety than clients who received ALC-only treatment
Clients who received DUAL treatment would have better drinking outcomes than clients who received ALC-only treatment
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LSAS total scores
Baseline End of treatment Follow-up0
20
40
60
80
100L
SA
S to
tal s
core
s
ALC-only
DUAL
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Social anxiety outcomes
Both groups had improvements on social anxiety measures (on average, scores dropped 20% from baseline levels)
No treatment group differences on any social anxiety measures
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Percent days abstinent
Baseline End of tx 3 mos follow-up0
20
40
60
80
100P
erc
en
t da
ys a
bst
ine
nt ±
SE
M
ALC-only
DUAL
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Drinking outcomes
Both groups decreased alcohol use from baseline
DUAL group had worse drinking outcomes than the ALC-only group at the 3-month follow-up
Collateral reports corroborated self-reported alcohol use
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Conclusions/Implications
Our hypothesis regarding improved drinking outcomes in the dual group was NOT supported
Why not? -Did the two CBT therapies compete for client resources?
-Did requiring “exposure” result in more drinking?-Should the disorders be treated in “stages”?-Was the improvement in social anxiety too modest?-Would pharmacotherapy for SAD work better? Quicker?
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Pharmacotherapy Trial
Paroxetine treatment of comorbid social anxiety disorder and alcoholism:
A pilot study
Randall et al., 2001. Depression and Anxiety 14:255-262.
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Study design
Eight week, randomized, double blind, placebo-controlled
All clients met diagnostic criteria for both social anxiety disorder and AUD
All clients received one session of MI for alcohol problem prior to receiving medication
Flexible dosing initiated at 20 mg/day; weekly increases of 20 mg/day to maximum dose of 60 mg/day
Clinical and research ratings were collected separately
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Pre-treatment severity
Paroxetine Placebo
N 6 9
Age onset social anxiety 12 14
Severity rating (1-7) for social anxiety 4.7 4.3
Age onset drinking problems 19.6 24.7
ASI alcohol severity 0.52 0.57
Baseline scores covaried in all outcome analyses
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Treatment x time effect: F=16.8, p=.01
1 2 3 4 5 6 7 80
20
40
60
80
100
Ad
just
ed
me
an
s: B
ase
line
co
vari
ed
Weeks of treatment
Paroxetine
Placebo
LSAS Total Scores
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1 2 3 4 5 6 7 80
10
20
30
40
50
60A
dju
ste
d m
ea
ns:
Ba
selin
e c
ova
rie
d
Weeks of treatment
Paroxetine
Placebo
Percent heavy drinking days
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Conclusions/Implications
Paroxetine was safe in individuals with alcohol use disorders
Promising pilot results merited a larger scale study
Longer treatment regimen may be needed to assess positive drinking outcomes
Paroxetine may best benefit individuals who are relatively “early” in their alcohol use disorder (non-treatment seeking for AUD)
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Study in progress
Paroxetine for comorbid social anxiety disorder and AUD
Funded by NIAAA
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Study design
16 week, double-blind, placebo-controlled trial
Participants are treatment-seeking for social anxiety (not alcohol problems)
Participants report drinking to cope
Participants meet criteria for AUD yet do not identify alcohol as a problem
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Primary outcome measures
Social anxiety
LSAS CGI Emotional Stroop
Alcohol use
Q/F measures Q/F drinking to cope Emotional Stroop
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Study sample to date
N 34
Male (%) 53%
Caucasian (%) 92%
Age 28
LSAS total 91
Percent days drinking (30 days, BL) 42%
Percent days drinking to cope (of drinking days) 58%
Drinks per drinking day 6
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Lessons and Speculations
Many people with high social anxiety and social anxiety
disorder drink alcohol as a primary coping strategy
Social anxiety may initiate drinking maintain drinking to decrease anxiety increase the risk of relapse if left untreated in
alcoholism treatment
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Our Plans for Future Research
Determine appropriate staging of interventions for social anxiety (e.g., sequential, integrated, etc.)
Evaluate the “uniqueness” of the social anxiety/alcohol relationship
Use lab-based studies to assess whether alcohol actually reduces social anxiety (and for whom)
Investigate the role of alcohol beliefs and expectancies in drinking-to-cope in socially anxious individuals
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Acknowledgements
CollaboratorsMaureen Carrigan, Ph.D.Angelica Thevos, Ph.D.Sarah Book, MDShannon AndersonSuzanne Thomas, Ph.D.Darlene Moak, MD
NIAAANational Institute on Alcohol
Abuse and Alcoholism
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Anxious Non-anxious
Eating at restaurants in front of strangers
96% 24%
In situations where you'll be criticized 44% 12%
Going to a party with strangers present
84% 52%
Meeting people for the first time 56% 16%
In situations where you'll likely appear nervous
56% 16%
Situations in which drinking to cope is more common in socially anxious individuals
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Anxious Non-anxious
Giving an oral report or speech to a group
12% 4%
Taking a test of your ability, skill, or knowledge
8% 0%
Working while being observed 8% 0%
Situations in which drinking to cope is not endorsed in either sample