Table 2.
Baseline characteristics of the participants (continuous variables); Dietary Inflammatory Index Development and Testing Study, Columbia, SC, USA, 2011–2012
| 24HR-derived data | 7DDR-derived data | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Males (n 264) | Females (n 231) | Males (n 292) | Females (n 267) | |||||||
| Characteristic | Mean | sd | Mean | sd | P value* | Mean | sd | Mean | sd | P value* |
| DII | 0·11 | 1·98 | 0·75 | 2·14 | 0·01 | 0·52 | 2·0 | 0·95 | 1·9 | 0·01 |
| Age (years) | 49·3 | 12·3 | 48·4 | 11·7 | 0·43 | 48·5 | 12·5 | 47·3 | 12·0 | 0·24 |
| Serum hs-CRP (mg/l) | 2·4 | 4·6 | 2·2 | 5·7 | 0·73 | 2·3 | 4·4 | 2·2 | 5·1 | 0·75 |
| Total physical activity (MET-h/d) | 32·0 | 7·4 | 29·1 | 3·9 | <0·0001 | 32·1 | 7·7 | 28·9 | 03·9 | <0·0001 |
| Energy intake (kJ/d) | 9464 | 3335 | 6653 | 1531 | <0·0001 | 9042 | 3623 | 7586 | 4075 | <0·0001 |
| Energy intake (kcal/d) | 2262 | 797 | 1590 | 366 | <0·0001 | 2161 | 866 | 1813 | 974 | <0·0001 |
| HDL-C (mg/dl) | 43·4 | 11·3 | 51·3 | 12·3 | <0·0001 | 43·2 | 11·0 | 51·7 | 12·9 | <0·0001 |
| SBP (mmHg) | 126·8 | 18·1 | 113·7 | 18 | <0·0001 | 126·7 | 18·0 | 113·3 | 17·2 | <0·0001 |
24HR, 24 h diet recall interviews; 7DDR, 7 d diet recall; DII, Dietary Inflammatory Index; hs-CRP, high-sensitivity C-reactive protein; MET, metabolic equivalents of task (a physiological measure expressing the energy cost of physical activities); HDL-C, HDL-cholesterol; SBP, systolic blood pressure.
*P value for the two-sample t test of the hypothesis that there is no difference between genders.