Smoking Is Associated with Higher Disease Activity in Rheumatoid Arthritis: A Longitudinal Study Controlling for Time-varying Covariates.
Milena A GianfrancescoLaura TrupinStephen C ShiboskiMark van der LaanJonathan GrafJohn ImbodenRebecca GraingerGabriela SchmajukPublished in: The Journal of rheumatology (2018)
Smoking is associated with higher levels of disease activity in RA. Causal methods may be useful for investigations of additional exposures on longitudinal outcome measures in rheumatologic disease.