Means* of C reactive protein (CRP), serum amyloid A protein (SAA), and fibrinogen by socioeconomic status
| Socioeconomic status | |||||
|---|---|---|---|---|---|
| Low | Middle | High | p Value† | ||
| *Geometric means of CRP and SAA, and arithmetic means of fibrinogen. | |||||
| †p for the trend. | |||||
| ‡Model 1, adjusted for age; Model 2, adjusted for age, smoking, and waist to hip ratio; Model 3, adjusted for age, smoking, waist to hip ratio, and prevalent longstanding diseases. p Values for the other factors in the model: age; <0.001, 0.010, <0.001, current smoking; <0.001, 0.010, <0.001, previous smoking; 0.150, 0.604, 0.221, waist to hip ratio; <0.001, <0.001, <0.001, coronary heart disease; 0.006, 0.211, 0.199, stroke; 0.218, 0.143, 0.117, diabetes; 0.415, 0.217, 0.597, chronic bronchitis; 0.080, 0.793, 0.040, asthma; 0.732, 0.048, 0.078, cancer; 0.352, 0.091, 0.432, rheumatoid arthritis; <0.001, <0.001, <0.001, other joint disease; 0.957, 0.652, 0.913, urinary tract infection; 0.229, 0.208, 0.831 and dental problems; 0.999, 0.404, 0.641, for CRP, SAA, and fibrinogen, respectively. | |||||
| CRP (mg/l) | Model 1‡ | 2.32 | 1.90 | 1.52 | <0.001 |
| Model 2‡ | 2.13 | 1.90 | 1.62 | 0.016 | |
| Model 3‡ | 2.11 | 1.91 | 1.63 | 0.022 | |
| SAA (μg/l) | Model 1 | 5.85 | 4.95 | 4.74 | 0.018 |
| Model 2 | 5.75 | 4.95 | 4.88 | 0.085 | |
| Model 3 | 5.64 | 4.95 | 4.91 | 0.118 | |
| Fibrinogen (g/l) | Model 1 | 4.09 | 3.83 | 3.62 | <0.001 |
| Model 2 | 4.02 | 3.83 | 3.65 | <0.001 | |
| Model 3 | 4.01 | 3.83 | 3.66 | <0.001 | |