AIC	Akaike information criterion
As	Arsenic
BMI	Body mass index
CI	Confidence interval
CMIA	Chemiluminescent microparticle immunoassay
CV	Coefficient of variation
EQA	External quality assessment
ERK	Extracellular signal-regulated kinase
FT3	Free triiodothyronine
FT4	Free thyroxine
GLM	Generalized linear model
Hg	Mercury
HK	Hartung–Knapp method
HPT	Hypothalamic–pituitary–thyroid
HR	Hazard ratio
ICP-MS	Inductively coupled plasma mass spectrometry
IQC	Internal quality control
IRIS	Integrated Risk Information System
LASSO	Least absolute shrinkage and selection operator
LOD	Limit of detection
NF-κB	Nuclear factor kappa B
NLRP3	NLR family pyrin domain-containing protein 3
NOS	Newcastle–Ottawa Scale
OHAT	Office of Health Assessment and Translation
OR	Odds ratio
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
QC	Quality control
RCS	Restricted cubic splines
RoB	Risk of bias
ROS	Reactive oxygen species
RR	Relative risk
RSD	Relative standard deviation
SciRAP	Science in Risk Assessment and Policy
SD	Standard deviation
SE	Standard error
T3	Triiodothyronine
T4	Thyroxine
TgAb	Thyroglobulin antibody
TLR4	Toll-like receptor 4
ToxRTool	Toxicological Data Reliability Assessment Tool
TPOAb	Anti-thyroid peroxidase antibody
TRAEC	Targeted Risk Assessment for Environmental Chemicals
TSH	Thyroid-stimulating hormone
TT3	Total triiodothyronine
WHO	World Health Organization