ACPA	anti-citrulline antibody
ACR20	American College of Rheumatology response criteria
ADIRA	anti-inflammatory diet in RA
AHEI 2010	Alternative Healthy Eating Index 2010
BMI	body mass index
CCP	cyclic citrullinated peptide
CRP	C-reactive protein
DAS28	Disease Activity Score
DMARD	Disease-modifying antirheumatic drug
EDII	Empirical Dietary Inflammatory Index
EIRA	Epidemiological Investigation of RA
ESR	erythrocyte sedimentation rate
EULAR	European League Against Rheumatism
HAQ	Health Assessment Questionnaire
HLIS	Healthy Lifestyle Index Score
HR	hazard ratio
ILD	interstitial lung disease
IRD	inflammatory rheumatic disease
MD	Mediterranean diet
NET	neutrophil extracellular trap
NHS	Nurses’ Health Study
NIEHS	National Institute of Environmental Health Sciences
NSAID	non-steroidal anti-inflammatory drug
OR	odds ratio
PUFA	polyunsaturated fatty acid
RA	rheumatoid arthritis
RF	rheumatoid factor
RR	relative risk
SE	shared epitope