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Age-adjusted prevalence of chronic obstructive pulmonary disease (COPD) among US adults aged ≥18 years, by smoking status and arthritis, 2016 Behavioral Risk Factor Surveillance System. Error bars indicate standard errors.
| Smoking Status | With Arthritis, % (Standard Error) | Without Arthritis, % (Standard Error) |
|---|---|---|
| Current smokers | 25.8 (1.4) | 9.7 (0.5) |
| Former smokers | 14.3 (2.0) | 5.1 (0.4) |
| Never smoked | 7.6 (0.7) | 1.7 (0.1) |
