medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: June 3, 2023
Abstract
Importance
Despite
the
evidence
supporting
relationship
between
socioeconomic
status
(SES)
and
severe
mental
disorders
(SMD),
directionality
of
associations
income
or
education
is
still
poorly
understood.
Objective
To
investigate
potential
bidirectional
causal
relationships
genetic
liability
to
two
main
components
SES
(i.e.,
educational
attainment
(EA))
on
three
SMD:
schizophrenia
(SCZ),
bipolar
disorder
(BD)
major
depressive
(MDD)
using
multivariable
Mendelian
randomisation.
Design,
Setting,
Participants
We
performed
a
bidirectional,
two-sample
randomisation
(MVMR)
study
summary
statistics
from
latest
genome-wide
studies
(GWAS)
Psychiatric
Genomics
Consortium
(PGC),
UK
biobank
Social
Science
Genetic
Association
(SSGAC)
dissect
EA
with
schizophrenia,
BD
MDD
including
data
for
participants
European
ancestry
only.
Data
covered
September
2022
January
2023.
Main
Outcomes
Measures
Socioeconomic
phenotypes
(household
biobank,
n=397,751,
based
largest
meta-analysis
GWAS
individuals
ancestry,
n=766,345)
SMD
PGC
(schizophrenia,
n=127,906;
BD,
n=51,710;
n=500,119).
Follow-up
analyses
were
intelligence
meta-analytical
phenotype,
n=269,867.
Results
derived
included
in
Biobank,
SSGAC
consortiums
(samples
ranging
766,345
51,710
individuals).
Univariable
MR
(UVMR)
showed
that
household
was
associated
decreased
risk
(IVW-ORSCZ=0.58
per-one-SD
increase;
P-value=
0.016)
(IVW-ORMDD:0.66
P-value:
9.81e-08),
smaller
reverse
effect
(IVW-βSCZ=
-0.1147,
P-value=7.55E-08;
IVW-βDEP=-0.0356,
P-value=8.70E-04).
Direct
effects
after
adjusting
comparable.
UVMR
lower
higher
no
significant
schizophrenia.
After
accounting
MMVR
analyses,
direct
increased
(MVMR-ORBIP:
2.69
per
SD
increase,
0.0000113)
(MVMR-ORSCZ:
2.09
per-SD-increase,
0.00108),
but
not
MDD.
Effects
association
larger
when
MVMR
model,
thus
suggesting
they
might
reflect
non-cognitive
component.
Conclusions
Relevance
The
findings
this
analysis
suggest
an
heterogenous
pattern
links
SMD.
found
negative
On
contrary,
we
positive
disorder,
which
only
becomes
apparent
income.
These
shed
light
directional
mechanisms
social
determinants
may
help
guide
public
health
strategies
addressing
inequality
economic
disadvantages.
SSM - Population Health,
Journal Year:
2024,
Volume and Issue:
25, P. 101624 - 101624
Published: Feb. 8, 2024
Longitudinal
studies
suggest
that
socioeconomic
status
(SES)
and
mental
health
have
a
bidirectional
relationship
such
SES
declines
lead
to
deterioration
of
(social
causation),
while
worsening
leads
drift).
However,
the
dynamic
between
income
psychological
distress
has
not
been
sufficiently
studied.
We
use
cross-lagged
panel
models
with
unit
fixed
effects
(FE-CLPM)
data
from
five-wave
representative
(n
=
3103)
working-age
(18–64)
New
York
City
adults.
Yearly
measures
include
individual
earnings,
family
(income-to-needs),
distress.
also
examine
by
age,
gender,
education,
racial/ethnic
identification.
find
significant
earnings
Increases
in
past-year
decrease
past-month
causation
effect
[SCE],
standardized
β
−0.07)
increases
reduce
next-year
drift
[SDE],
−0.03).
Family
only
unidirectional
(SCE,
-.03).
Strongest
evidence
is
for
prime
individuals
−0.1;
SDE,
−0.03),
those
less
than
bachelor's
degrees
−0.08;
−0.05),
Hispanics
−0.06;
−0.08).
reciprocal
women
−0.03;
(SDE,
−0.04;
Individual
which
are
labor
market
indicators,
may
be
stronger
social
determinants
income.
important
differences
exist
across
groups
identities.
Future
research
should
types
policies
buffer
impact
negative
shocks
associated
health,
especially
among
most
vulnerable.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 28, 2023
Abstract
Background
Both
cognitive
and
non-cognitive
(e.g.,
traits
like
curiosity)
factors
are
critical
for
social
emotional
functioning
independently
predict
educational
attainment.
These
heritable
genetically
correlated
with
a
range
of
health-relevant
behaviors
in
adulthood
risk-taking,
psychopathology).
However,
whether
these
associations
present
during
adolescence,
to
what
extent
relationships
diverge,
could
have
implications
adolescent
health
well-being.
Methods
Using
data
from
5,517
youth
European
ancestry
the
ongoing
Adolescent
Brain
Cognitive
Development
SM
Study,
we
examined
between
polygenic
scores
(PGS)
outcomes
related
cognition,
socioeconomic
status,
risk
tolerance
decision-making,
substance
initiation,
psychopathology,
brain
structure.
Results
PGSs
were
both
positively
associated
performance
family
income,
negatively
ADHD
severity
psychotic-like
experiences.
The
PGS
was
also
greater
delayed
discounting,
anorexia,
as
well
lower
likelihood
nicotine
initiation.
further
cognition
anorexia
within-sibling
analyses,
suggesting
results
do
not
solely
reflect
effects
assortative
mating
or
passive
gene-environment
correlations.
showed
significantly
stronger
cortical
volumes
than
right
hemisphere
caudal
anterior
cingulate
pars-orbitalis
while
white
matter
fractional
anisotropy
significant
association
superior
corticostriate-frontal
cortex.
Conclusions
Our
findings
suggest
that
show
similar
status
other
psychosocial
outcomes,
but
distinct
regional
neural
phenotypes
this
sample.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 16, 2023
Bipolar
disorder
(BD)
and
schizophrenia
(SZ)
are
associated
with
higher
odds
of
suicide
attempt
(SA).
In
this
study,
we
aimed
to
explore
the
effect
BD
SZ
genetic
liabilities
on
SA,
also
considering
contribution
behavioral
traits,
socioeconomic
factors,
substance
use
disorders.
Leveraging
large-scale
genome-wide
association
data
from
Psychiatric
Genomics
Consortium
(PGC)
UK
Biobank
(UKB),
conducted
a
two-sample
Mendelian
randomization
(MR)
analysis
evaluate
putative
causal
(41,917
cases,
371,549
controls)
(53,386
77,258
SA
(26,590
492,022
controls).
Then,
assessed
Considering
associations
identified,
evaluated
direct
disorders
using
multivariable
MR
approach.
The
were
(BD
ratio
(OR)=1.24,
p=3.88×10
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 9, 2024
A
better
understanding
of
whether
and
how
economic
factors
impact
mental
health
can
inform
policy
program
decisions
to
improve
health.
This
study
looked
at
the
association
between
county-level
prevalence
self-reported
poor
among
adults
in
US
counties
2019,
overall
separately
for
urban
rural
counties.
General
dominance
analyses
were
completed
rank-order
relative
importance
selected
variables
explaining
county
reporting
>
14
days
last
30
(“poor
health”).
The
highest
weighted
assessed
statistical
significance
their
relationships
with
through
multiple
linear
regression.
Across
all
models,
four
highest-ranked
household
income,
receipt
Supplemental
Security
Income
(SSI),
population
a
college
degree,
Nutrition
Assistance
Program
(SNAP)
benefits.
overall,
rural,
models
explained
over
69%
variation
Urban
also
showed
notable
differences
relationship
median
home
value
public
insurance.
findings
from
this
indicate
significant
several
health,
which
may
decision
makers
addressing
US.
RAND Corporation eBooks,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Late-life
depression
poses
a
significant
concern
in
China,
particularly
among
older
rural
women
who
experience
higher
prevalence
rates
and
heightened
risk.
This
dissertation
investigates
the
factors
influencing
late-life
this
specific
high-risk
demographic.
The
first
essay
identifies
early
life
adult
physical
health
as
prominent
predictors
of
Chinese
using
machine
learning
models.
second
explores
relationship
between
education
middle-aged
elderly
women,
revealing
negative
gradient
depression.
third
employs
Fuzzy
Regression
Discontinuity
Design
to
assess
long-term
impact
improved
educational
attainment
on
depression,
finding
that
increased
schooling
years
lack
an
evident
protective
effect
overall
population.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 19, 2024
Abstract
Attention-deficit
hyperactivity
disorder
(ADHD)
is
prevalent
in
children
and
associated
with
lower
education
performance.
This
association
often
obtained
from
observational
studies,
which
have
limited
ability
to
identify
causal
relationships.
Knowledge
of
causes
useful,
because
it
delineates
intervention
avenues
more
clearly,
but
research
into
causation
childhood
hindered
by
ethical
practical
limitations
randomized
clinical
trials.
The
present
study
uses
twin
designs
polygenic
risk
scores
(PRS)
investigate
the
relationship
between
ADHD
symptoms
poor
educational
We
combined
family-based
direction
modeling
Mendelian
randomization
(MR)
approaches
applied
them
ABCD
data
for
improved
inference.
models
used
necessarily
make
assumptions
about
either
horizontal
pleiotropy,
or
level
individual-specific
confounding
factors.
Results
support
hypothesis
that
a
effect
on
performance,
vice
versa.
No
heterogeneity
related
sex
was
found,
nor
moderation
estimates
gender.
These
findings
highlight
complex
interplay
outcomes
emphasize
need
larger
sample
sizes
future
research.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 24, 2024
Abstract
Background
Context
There
are
a
number
of
risk
factors-
from
biological,
psychological,
and
social
domains-
for
non-specific
chronic
low
back
pain
(cLBP).
Many
cLBP
treatments
target
factors
on
the
assumption
that
targeted
factor
is
not
just
associated
with
but
also
cause
(i.e,
causal
factor).
In
most
cases
this
strong
assumption,
primarily
due
to
possibility
confounding
variables.
False
assumptions
about
relationships
between
likely
contribute
generally
marginal
results
treatments.
Purpose
The
objectives
study
were
a)
using
rigorous
control
compare
associations
modifiable
identified
by
Mendelian
randomization
(MR)
studies
in
population
b)
estimate
association
these
outcomes.
Study
Design/Setting
Cross
sectional
analysis
longitudinal,
online,
observational
study.
Patient
Sample
1,376
participants
BACKHOME,
longitudinal
e-Cohort
U.S.
adults
part
NIH
Back
Pain
Consortium
(BACPAC)
Research
Program.
Outcome
Measures
Pain,
Enjoyment
Life,
General
Activity
(PEG)
Scale.
Methods
Five
selected
based
evidence
MR
studies:
sleep
disturbance,
depression,
BMI,
alcohol
use,
smoking
status.
Confounders
ESC-DAG
approach,
method
building
directed
acyclic
graphs
criteria.
Strong
was
found
age,
female
sex,
education,
relationship
status,
financial
strain,
anxiety,
fear
avoidance
catastrophizing.
These
variables
used
determine
adjustment
sets
primary
analysis.
Potential
confounders
weaker
sensitivity
Results
Participants
had
following
characteristics:
age
54.9
±
14.4
years,
67.4%
female,
60%
never
smokers,
29.9%
overweight,
39.5%
obese,
PROMIS
disturbance
T-score
54.8
8.0,
depression
52.6
10.1,
Fear-avoidance
Beliefs
Questionnaire
11.6
5.9,
Catastrophizing
Scale
4.5
2.6,
PEG
4.4
2.2.
adjusted
models
obesity
PEG,
after
adjusting
via
DAG
constructed
protocol.
effect
estimates-
expected
change
outcome
every
standard
deviation
increase
or
decrease
exposure
(or
category
shift
categorical
exposures)
largest
obesity.
Each
SD
resulted
mean
0.77
(95%
CI:
0.66,
0.88)
point
baseline
score.
Compared
normal
score
slightly
higher
0.37
points
0.09,
0.65)
overweight
participants,
0.8
0.9
those
classes
I
II,
1.39
0.98,
1.80)
obese
participants.
0.28
0.17,
0.40)
score,
while
each
alcoholic
drinks
per
week
0.12
(95%CI:
0.01,
0.23)
model.
Conclusions
Several
-
obesity-
Convergence
our
findings
studies,
which
have
different
designs
biases,
strengthens
(1).
estimated
Future
analyses
will
evaluate
data.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 24, 2024
Abstract
The
genetic
relationship
between
schizophrenia,
IQ,
and
educational
attainment
(EA)
is
complex.
Schizophrenia
polygenic
scores
(PGS)
are
linked
to
lower
whilst
higher
IQ-PGS
correlates
with
reduced
schizophrenia
risk.
Paradoxically,
predisposition
EA
has
been
associated
increased
risk,
a
potentially
confounded
by
overlap
bipolar
disorder.
Through
Genomic
Structural
Equation
Modelling
we
dissected
the
contribution
identifying
63
SNPs
uniquely
(SZspecific)
78
shared
disorder
(PSYshared).
Both
(rg
=
-0.22)
SZspecific
-0.24)
were
genetically
negatively
correlated
correlations
PSYshared
IQ
less
pronounced
(both
rg
-0.07).
exhibited
minimal
correlation
0.01),
yet
latent
variables
demonstrated
divergent
relationships;
was
positively
0.11),
whereas
-0.06).
PGS
analyses
in
UK
Biobank
(n=381,688),
corroborated
these
relationships,
SZspecific-PGS
(β
-0.13,
p
<
2e-16),
PSYshared-PGS
0.14,
2e-16).
Mendelian
Randomisation
provided
additional
support,
but
also
confirmed
presence
of
pleiotropy.
Our
findings
underscore
utility
methods
dissecting
neuropsychiatric
disorders,
supporting
existence
two
possible
pathways
schizophrenia:
one
another
stronger
neurodevelopmental
underpinnings.