Table 1. Characteristics at the time of fibrinogen measurement by study.
| Study | Sample (N) | Age* (years) | Male sex (%) | Current smokers (%) | No alcohol consumption (%) | Alcohol consumption <10 g/day (%) | Alcohol consumption ≥10 g/day (%) | BMI (kg/m2) | Fibrinogen* (g/L) |
| ARIC | 9,256 | 54.3 (5.7) | 47.1 | 24.6 | 55.9 | 23.0 | 21.1 | 27.0 (4.8) | 2.97 (0.61) |
| B58C | 6,085 | 45.2 (0.4) | 49.7 | 23.5 | 20.3 | 39.1 | 40.6 | 27.4 (4.9) | 2.95 (0.60) |
| CARDIA | 1,435 | 45.8 (3.3) | 47.0 | 20.3 | NA | NA | NA | 25.4 (5.1) | 3.18 (0.66) |
| CHS | 3,242 | 72.3 (5.4) | 39.0 | 11.3 | 46.0 | 38.5 | 15.5 | 26.3 (4.4) | 3.15 (0.62) |
| CROATIA-Vis | 761 | 56.6 (15.5) | 41.7 | 27.9 | 43.0 | 19.2 | 37.8 | 27.1 (4.9) | 3.58 (0.82) |
| FHS | 2,797 | 54.1 (9.7) | 45.5 | 18.5 | 29.8 | 57.9 | 12.3 | 27.4 (5.0) | 3.05 (0.57) |
| HBCS | 1,728 | 61.4 (2.9) | 40.2 | 23.9 | 16.5 | 54.6 | 28.9 | 27.4 (4.5) | 3.23 (1.04) |
| InCHIANTI | 1,128 | 67.7 (15.1) | 44.9 | 19.0 | 24.5 | 30.0 | 45.5 | 27.2 (4.1) | 3.48 (0.75) |
| KORA F3 | 1,520 | 52.1 (10.2) | 49.3 | 18.0 | 29.9 | 23.6 | 46.1 | 27.2 (4.1) | 2.89 (0.66) |
| KORA F4 | 1,777 | 53.9 (8.9) | 48.9 | 20.0 | 24.5 | 29.9 | 45.6 | 27.7 (4.6) | 2.67 (0.60) |
| LBC1921 | 466 | 79.1 (0.6) | 42.1 | 6.9 | 23.2 | 56.9 | 20.0 | 26.2 (4.1) | 3.56 (0.85) |
| LBC1936 | 989 | 69.6 (0.8) | 50.8 | 12.6 | 19.2 | 40.7 | 40.0 | 27.8 (4.4) | 3.27 (0.63) |
| MARTHA | 613 | 44.1 (14.2) | 23.8 | 25.9 | NA | NA | NA | 24.3 (4.4) | 3.36 (0.68) |
| NTR | 2,343 | 47.1 (13.9) | 35.8 | 16.8 | 5.8 | 74.2 | 20.0 | 25.4 (4.0) | 2.78 (0.66) |
| ORCADES | 686 | 53.7 (15.3) | 46.6 | 8.7 | 10.8 | 59.2 | 30.0 | 27.7 (4.9) | 3.45 (0.81) |
| PROCARDIS-CL | 3,490 | 61.9 (7.0) | 75.5 | 50.3 | 37.3 | 33.7 | 29.0 | 28.4 (4.4) | 3.88 (0.86) |
| PROCARDIS-Im | 3,405 | 58.1 (8.9) | 73.5 | 33.0 | 23.9 | 36.7 | 39.4 | 27.1 (4.2) | 3.86 (1.00) |
| PROSPER | 5,244 | 75.3 (3.3) | 48.1 | 26.5 | 44.5 | 28.6 | 27.0 | 26.8 (4.2) | 3.60 (0.74) |
| RS | 2,068 | 70.4 (9.0) | 35.0 | 23.5 | 18.1 | 51.6 | 30.3 | 26.4 (3.8) | 2.81 (0.68) |
| SardiNIA | 4,691 | 43.3 (17.6) | 43.7 | 19.8 | 54.9 | 10.2 | 34.9 | 25.3 (4.7) | 3.28 (0.66) |
| SHIP | 3,807 | 48.7 (16.0) | 48.4 | 31.5 | 34.3 | 19.1 | 46.6 | 27.2 (4.8) | 2.98 (0.69) |
| WGHS | 23,076 | 54.7 (7.1) | 0 | 13.2 | 43.3 | 42.7 | 14.0 | 25.9 (5.0) | 3.59 (0.78) |
| total | 80,607 |
BMI: body mass index.
* Mean (standard deviation).