Table 3.
Reliability of the PAIFIS in grams per day in a sub-sample of the SAYCARE Study.
| Children | Adolescents | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FFQ1 | FFQ2 | FFQ1 | FFQ2 | |||||||||
| n | Median | (IQR) | Median | (IQR) | ρ | n | Median | (IQR) | Median | (IQR) | ρ | |
| Pro-inflammatory food group | ||||||||||||
| Sugar-sweetened Beverages | 146 | 150.6 | (49.9; 335.1) | 149.3 | (47.9; 309.8) | 0.66 | 97 | 155.0 | (15.0; 377.5) | 218.5 | (104.2; 439.9) | 0.59 |
| Processed meat | 146 | 17.6 | (7.4; 39.8) | 16.4 | (8.2; 33.9) | 0.63 | 93 | 17.6 | (0.3; 48.5) | 23.4 | (12.6; 48.5) | 0.54 |
| Red meat | 141 | 43.1 | (21.0; 86.0) | 43.2 | (21.5; 86.0) | 0.54 | 93 | 28.0 | (0.5; 86.1) | 50.0 | (17.5; 68.4) | 0.57 |
| Candies | 149 | 122.9 | (146.4; 205.4) | 113.7 | (47.3; 203.45) | 0.51 | 102 | 90.6 | (20.8 252.1) | 125.6 | (50.7; 251.3) | 0.31 |
| Snacks | 136 | 22.4 | (9.1; 47.5) | 21.0 | (7.7; 40.9) | 0.56 | 96 | 21.1 | (2.2; 47.6) | 28.0 | (14.0; 51.2) | 0.42 |
| Anti-inflammatory food group | ||||||||||||
| Fruits | 149 | 231.8 | (101.6; 420.0) | 176.1 | (9.0.8; 320,) | 0.58 | 97 | 137.6 | (25.9; 325.2) | 206.0 | (94.4; 370.0) | 0.53 |
| Vegetables | 133 | 32.5 | (14.0; 71.6) | 28.5 | (12.5; 61.0) | 0.59 | 75 | 35.9 | (10.8; 79.0) | 30.1 | (10.8; 79.0) | 0.47 |
| Sum groups | ||||||||||||
| Pro-inflammatory | 149 | 440.5 | (298.9; 765.9) | 441.5 | (244.5; 676.9) | 0.57 | 102 | 491.3 | (130.8 880.5) | 501.2 | (303.9; 930.3) | 0.52 |
| Anti-inflammatory | 149 | 283.1 | (124.8; 480.1) | 212.5 | (122.6; 380.0) | 0.63 | 97 | 304.4 | (174.5; 406.8) | 238.1 | (126.6; 420.3) | 0.55 |
| PAIFIS = Σ AI − Σ PI | 149 | 222.5 | (−13.24; 483.8) | 155.4 | (31.8; 462.1) | 0.69 | 102 | 151.9 | (1.7; 584.5) | 266.5 | (43.4; 635.5) | 0.61 |
Interquartile Range (IQR); food frequency questionnaire (FFQ); 24 h Food Recall (24HDR); Pro-inflammatory/Anti-inflammatory Food Intake Score (PAIFIS); PAIFIS = Σ AI − Σ PI; ρ, Spearman’s rho coefficient. Spearman’s efficiency coefficients in bold show moderate or strong values.