Figure 1.

Multivariate association between occupational lifetime exposure to very loud noise (≥ 15 years vs Never) and prevalent rheumatoid arthritis (odds ratio with 95% confidence interval) – Stratified analysis. Data source: CDC/NCHS – NHANES, 2011–2012. Models are based on weighted logistic regression to obtain nationally representative estimates. Models are adjusted for age, sex, race/ethnicity, education, annual family income, smoking, alcohol drinking, and body mass index. The “Interview and MEC Exam weight” is applied.