| CHD | Coronary Heart Disease |
| CHF | Coronary Heart Failure |
| CVD | Cardiovascular Disease |
| ETS | Environmental Tobacco Smoke |
| HR | Hazard Ratio |
| LDL | Low Density Lipoprotein |
| NSAIDs | Nonsteroidal Anti-inflammatory Drugs |
| PM | Particulate Matter |
| RERI | Relative Excess Risk due to Interaction |