25(OH)D	25-hydroxyvitamin D
AUC	Area under the curve
AGO4	Argonaute Component 4
BMI	Body mass index
CI	Confidence interval
CLIA	Chemiluminescent immunoassay
C + T	Clumping and thresholding
GC	Group-specific component (vitamin D-binding protein)
GWAS	Genome-wide association study
DHCR7	7-dehydrocholesterol reductase
IBS	Identity-by-state
IRB	Institutional Review Board
LD	Linkage disequilibrium
MAF	Minor allele frequency
MDS	Multidimensional scaling
OR	Odds ratio
PC	Principal component
PGS	Polygenic score
QC	Quality control
QBB	Qatar Biobank
QF	Qatar Foundation
QGP	Qatar Genome Program
QPHI	Qatar Precision Health Institute
Q–Q	Quantile–quantile
R2	Coefficient of determination
POTEB3	POTE Ankyrin Domain B3
RDH13	Retinol dehydrogenase 13
RXR	Retinoid X receptor
SAIGE	Scalable and Accurate Implementation of GEneralized mixed model
SE	Standard error
SNP	Single nucleotide polymorphism
SLC	Solute carrier
TMEM	Transmembrane protein
VDR	Vitamin D receptor
VEP	Variant Effect Predictor
WGS	Whole-genome sequencing