Table 1.
Baseline Characteristics of Cohort Participants by Categories of C-Reactive Protein and in All Participants, European Prospective Investigation Into Cancer in Norfolk, 1993–1997
| Characteristic | C-Reactive Protein Level, mg/L |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All Participants (n = 18,110) |
≤1 (n = 6,527) |
1.1–3 (n = 6,691) |
3.1–10 (n = 4,052) |
>10 (n = 840) |
|||||||||||
| Mean (SD) | No. | % | Mean (SD) | No. | % | Mean (SD) | No. | % | Mean (SD) | No. | % | Mean (SD) | No. | % | |
| Age, years | 58.7 (9.2) | 56.1 (8.9) | 59.5 (9.0) | 60.9 (8.9) | 61.5 (8.8) | ||||||||||
| Male sex | 8,126 | 44.9 | 2,958 | 45.3 | 3,096 | 46.3 | 1,702 | 42.0 | 370 | 44.1 | |||||
| FEV1, mL | 2,497 (737) | 2,712 (743) | 2,469 (710) | 2,266 (673) | 2,176 (706) | ||||||||||
| FVC, mL | 3,066 (922) | 3,301 (946) | 3,041 (893) | 2,800 (838) | 2,718 (864) | ||||||||||
| Height, cm | 166.8 (9.1) | 167.7 (9.1) | 166.8 (9.1) | 165.7 (8.9) | 165.6 (9.0) | ||||||||||
| Body mass indexa | 26.2 (3.8) | 24.7 (3.0) | 26.5 (3.5) | 27.9 (4.3) | 27.7 (5.0) | ||||||||||
| Alcohol consumption, units/week | 7.0 (9.2) | 7.2 (8.7) | 7.1 (9.6) | 6.5 (9.5) | 6.6 (9.2) | ||||||||||
| Smoking status | |||||||||||||||
| Current | 2,051 | 11.4 | 581 | 9.0 | 718 | 10.8 | 615 | 15.3 | 137 | 16.5 | |||||
| Former | 7,528 | 41.9 | 2,472 | 38.1 | 2,902 | 43.8 | 1,778 | 44.3 | 376 | 45.1 | |||||
| Never | 8,382 | 46.7 | 3,430 | 52.9 | 3,012 | 45.4 | 1,620 | 40.4 | 320 | 38.4 | |||||
| Physical activity level | |||||||||||||||
| Inactive | 5,422 | 29.9 | 1,506 | 23.1 | 2,042 | 30.5 | 1,530 | 37.8 | 344 | 41.0 | |||||
| Moderately inactive | 5,201 | 28.7 | 1,891 | 29.0 | 1,952 | 29.2 | 1,125 | 27.8 | 233 | 27.7 | |||||
| Moderately active | 4,118 | 22.7 | 1,686 | 25.8 | 1,486 | 22.2 | 794 | 19.6 | 152 | 18.1 | |||||
| Active | 3,369 | 18.6 | 1,444 | 22.1 | 1,210 | 18.1 | 604 | 14.9 | 111 | 13.2 | |||||
| Corticosteroid medication use | 564 | 3.1 | 127 | 2.0 | 200 | 3.0 | 185 | 4.6 | 52 | 6.2 | |||||
| Postmenopause | 7,844 | 78.6 | 2,428 | 68.0 | 2,952 | 82.1 | 2,058 | 87.5 | 406 | 86.4 | |||||
| % Currently using hormone replacement therapy | 2,086 | 20.9 | 504 | 14.1 | 769 | 21.4 | 656 | 27.9 | 157 | 33.4 | |||||
Abbreviations: FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; SD, standard deviation.
a Weight (kg)/height (m)2.