Table 1.
Characteristics for the Health Professionals Follow-Up Study at baseline for the current study in 1989.
| Variable | Value |
|---|---|
| n | 17,545 |
| Age (years) | 57.4 ± 9.8 |
| BMI | 25.8 ± 3.4 |
| Smoking status (%) | |
| Never | 44.9 |
| Current | 9.5 |
| Former | 45.5 |
| No. of pack-years | 25.2 ± 19.4 |
| Hypertension (%) | 26.5 |
| Hypercholesterolemia (%) | 24.3 |
| Diabetes (%) | 4.3 |
| Family history of MI (%) | 14.0 |
| Low-risk diet (%) | 42.5 |
| Alcohol consumption [g/day (%)] | |
| 0 | 20.8 |
| 0.1–4.9 | 27.5 |
| 5.0–14.9 | 28.1 |
| ≥ 15.0 | 23.6 |
| Physical activity [hr/week (%)] | |
| < 3 MET | 14.9 |
| 3 to < 9 | 19.1 |
| 9 to < 18 | 19.0 |
| 18 to < 27 | 13.8 |
| ≥ 27 | 33.2 |
| Predicted PM10 (µg/m3) | |
| Mean ± SD | 27.9 ± 5.8 |
| Interquartile range | 7.4 |
| Predicted PM2.5 (µg/m3) | |
| Mean ± SD | 17.8 ± 3.4 |
| Interquartile range | 4.3 |
| Predicted PM10–2.5 (µg/m3) | |
| Mean ± SD | 10.1 ± 3.3 |
| Interquartile range | 4.3 |
| Values are mean ± SD or percent unless otherwise noted. Percentages are based on complete data for participants. | |