Table 2. Participant characteristics across quartiles of dietary inflammatory index (DII), Jamaican Prostate case-control study, 2005-7.
| Characteristics | Quartile 1 | Quartile 2 | Quartile 3 | Quartile 4 |
|---|---|---|---|---|
| Age (years): mean ± sd | 65.03±9.7 | 65.09±8.9 | 63.39±10.9 | 65.13±9.7 |
| Body mass Index (kg/m2): mean ± sd | 24.87±4.5 | 25.08±4.4 | 25.55±4.6 | 25.44±4.6 |
| Overweight (% 25<BMI≤30 kg/m2) | 28.3 | 22.5 | 27.8 | 21.4 |
| Obese (% BMI>30 kg/m2) | 23.1 | 29.2 | 23.1 | 24.6 |
| C-Reactive Protein (mg/l): mean ± sd | 2.62±2.2 | 2.93±2.7 | 3.39±4.6 | 3.00±2.7 |
| Physical activity (%): | ||||
| Inactive | 23.0 | 29.0 | 24.0 | 24.0 |
| Moderately inactive | 20.8 | 24.8 | 27.2 | 27.2 |
| Moderately active | 29.7 | 25.2 | 28.2 | 16.8 |
| Active | 30.7 | 25.3 | 18.7 | 25.3 |
| Smoking (%) | ||||
| Non-smoker | 25.0 | 29.3 | 27.6 | 18.1 |
| Ex-smoker | 26.7 | 23.8 | 24.4 | 25.1 |
| Current smoker | 25.3 | 26.7 | 30.7 | 17.3 |
| Education (%) | ||||
| Primary | 113 (85.6) | 113 (88.3) | 109 (84.5) | 91 (82.7) |
| Secondary | 12 (9.1) | 10 (7.8) | 17 (13.2) | 10 (9.1) |
| Tertiary | 7 (5.3) | 5 (3.9) | 3 (2.3) | 9 (8.2) |
*
This represents the change in moving from the mean of quartile 1 to the mean of quartile 4.