Use of preexposure prophylaxis and condom purchasing decisions
Journal of the Experimental Analysis of Behavior,
Journal Year:
2024,
Volume and Issue:
121(2), P. 233 - 245
Published: Feb. 14, 2024
Abstract
Preexposure
prophylaxis
(PrEP)
prevents
human
immunodeficiency
virus
(HIV)
but
not
other
sexually
transmitted
infections
(STIs).
Men
who
have
sex
with
men
(MSM)
take
PrEP
tend
to
report
reduced
condom
use,
little
is
known
about
the
underlying
mechanisms.
For
this
study,
MSM
(i.e.,
experienced;
n
=
88)
and
do
naïve;
113)
completed
an
online
including
purchase
task
(CoPT).
The
CoPT
assesses
decisions
condoms
across
escalating
prices
(range:
free–$55)
for
different
types
of
hypothetical
partners:
those
least
likely
STD
(least
STD)
that
participants
most
want
(most
with).
When
were
free,
PrEP‐experienced
had
a
lower
rate
purchasing
than
did
PrEP‐naïve
MSM.
both
partner
types,
reached
price
break
point
would
buy
condoms)
at
pariticipants.
most‐want‐sex‐with
which
elected
condoms,
only
23%
chose
abstain
from
when
versus
53%
among
Similar
patterns
observed
least‐STD
partner.
results
support
potential
utility
in
identifying
behavioral
mechanisms
related
use
PrEP.
Language: Английский
Do Subjective Effects from Alcohol and Cannabis Predict Simultaneous Use During a Decision-Making Task?
Substance Use & Misuse,
Journal Year:
2024,
Volume and Issue:
59(7), P. 1020 - 1030
Published: March 5, 2024
Background:
Simultaneous
alcohol
and
cannabis
use
is
associated
with
negative
outcomes,
yet
little
known
about
what
motivates
the
decision
of
simultaneous
use.
One
possibility
that
early-episode
subjective
effects
motivate
to
complement
or
replace
first
substance's
effects.
The
current
study
used
a
hypothetical
decision-making
task
test
this
hypothesis.
Objectives:
College
students
(N
=
486)
were
presented
eight
scenarios
characterized
by
alcohol/cannabis
(i.e.,
high/low
arousal
positive
[e.g.,
excited,
relaxed],
aggressive,
dizzy])
asked
their
likelihood
simultaneously
using
other
substance
per
scenario.
Multilevel
modeling
tested
whether
effect
predicted
higher
ordering
moderated
association.
Results:
Task-based
was
self-reported
use,
showing
validity.
Scenarios
whereas
lower
likelihood.
Alcohol
vs.
cannabis-first
significant
interactions
observed
for
high
High
when
first,
low
first.
Conclusions:
Beginning-of-episode
may
be
promising
event-level
predictor
just-in-time
interventions
benefit
from
targeting
experiences
Language: Английский
A hypothetical lottery task to assess relative resource allocation toward alcohol and cannabis.
Psychology of Addictive Behaviors,
Journal Year:
2022,
Volume and Issue:
37(1), P. 144 - 155
Published: Dec. 15, 2022
Relative
spending
on
substances
(vs.
alternatives)
is
predictive
of
several
substance
use
outcomes,
but
it
can
be
challenging
to
assess.
We
examined
a
novel
method
assessing
relative
resource
allocation
through
the
hypothetical
lottery
task
wherein
participants
assume
they
collected
$100,000
United
States
dollars
in
winnings
and
were
tasked
with
allocating
their
across
categories
(e.g.,
savings,
leisure,
alcohol,
cannabis).
hypothesized
funds
toward
alcohol
cannabis
would
positively
associated
more
problems
each
substance.
Language: Английский