Individual variability in physiological responses and psychological conditions associated with methamphetamine use: analysis of data obtained via a wearable device and mobile application (Preprint)
Published: April 14, 2025
BACKGROUND
Digital
mental
health
approaches
offer
a
novel
means
to
monitor
and
reduce
harms
associated
with
substance
use
in
daily
life.
However,
limited
evidence
exists
on
their
application
methamphetamine
(METH)
use,
particularly
regarding
individual
variability
physiological
responses
psychological
conditions.
OBJECTIVE
This
study
aimed
explore
inter-
intra-individual
differences
craving,
emotion,
heart
rate
METH
using
data
collected
from
wearable
device
(Fitbit)
mobile-based
self-monitoring
application.
METHODS
Participants
were
individuals
disorder
receiving
outpatient
treatment
Japan.
Seven
participants
who
used
during
an
8-week
observation
period
included
the
analysis.
Physiological
data,
including
sleep
patterns,
Fitbit
devices,
while
self-reported
craving
intensity,
emotional
status
recorded
via
mobile
After
syncing
we
visualized
summarized
patterns
detail.
Correlations
between
physiological/psychological
indicators
frequency
of
per
day
analyzed.
In
addition,
trends
before
after
events
evaluated
linear
mixed
effects
model,
both
inter-individual
also
assessed.
RESULTS
Patterns
varied
widely
across
participants,
it
most
commonly
occurring
morning
or
at
night,
regardless
week.
Craving
negative
emotions
frequently
reported
METH-use
days
positively
correlated
number
episodes
day.
more
exhibited
relatively
higher
resting
rates.
Following
increased
significantly
remained
elevated
for
up
9
hours.
Sleep
duration
reduced
absent
days.
Approximately
64%
variance
was
attributable
differences,
12%
reflected
within
same
individual.
CONCLUSIONS
demonstrates
feasibility
value
digital
tools
examine
conditions
real-world
settings.
Persistent
cardiovascular
activation
disrupted
highlight
potential
risks
long-term
use.
Individual
responses,
states
underscore
importance
personalized
intervention
strategies.
Integrating
real-time
self-monitoring,
notifications
rate,
online
cognitive
behavioral
therapy
into
therapeutic
interventions
may
improve
outcomes
disorder.
INTERNATIONAL
REGISTERED
REPORT
RR2-10.2196/44275
Language: Английский