From: Inflammatory potential of diet and risk of incident knee osteoarthritis: a prospective cohort study
 | Eligible participants for incident ROA | Eligible participants for incident SxOA | ||||||
---|---|---|---|---|---|---|---|---|
Q1 (n = 448) | Q2 (n = 446) | Q3 (n = 446) | Q4 (n = 446) | Q1 (n = 736) | Q2 (n = 735) | Q3 (n = 735) | Q4 (n = 734) | |
E-DII median in men (IQR) | − 3.5 (− 5.5, − 2.9) | − 2.1 (− 2.8, − 1.4) | − 0.7 (− 1.4, 0.3) | 1.3 (0.3, 3.8) | − 3.5 (− 5.5, − 2.9) | − 2.1 (− 2.9, − 1.5) | − 0.7 (− 1.5, 0.3) | 1.3 (0.3, 3.9) |
E-DII median in women (IQR) | − 4.1 (− 5.6, − 3.5) | − 3.0 (− 3.5, − 2.4) | − 1.8 (− 2.4, − 0.9) | 0.4 (− 0.9, 3.9) | − 4.1 (− 5.6, − 3.5) | − 3.0 (− 3.5, − 2.5) | − 1.9 (− 2.5, − 1.0) | 0.1 (− 1.0, 3.9) |
Age (years)* | 61.0 ± 9.2 | 60.7 ± 9.1 | 58.9 ± 9.1 | 57.2 ± 8.4 | 62.8 ± 9.1 | 62.0 ± 9.2 | 61.1 ± 9.4 | 58.9 ± 8.7 |
Female, n (%) | 259 (57.8) | 258 (57.8) | 258 (57.8) | 258 (57.8) | 431 (59.0) | 431 (58.6) | 431 (58.6) | 430 (58.6) |
Race (European-American), n (%) | 385 (86.3) | 384 (86.1) | 390 (87.4) | 351 (78.9) | 636 (87.0) | 631 (85.9) | 633 (81.5) | 597 (85.0) |
Education, n (%) | ||||||||
 < College level | 136 (30.4) | 149 (33.4) | 165 (37.0) | 192 (43.1) | 227 (31.0) | 225 (30.6) | 293 (39.9) | 317 (43.2) |
 College level or above | 312 (69.6) | 297 (66.6) | 281 (63.0) | 254 (56.9) | 509 (69.0) | 510 (69.4) | 442 (60.1) | 417 (56.8) |
Yearly income, n (%) | ||||||||
 < 50,000 US$ | 128 (30.5) | 148 (34.6) | 142 (33.6) | 166 (39.6) | 241 (35.0) | 244 (34.9) | 256 (36.7) | 273 (39.6) |
 ≥ 50,000 US$ | 292 (69.5) | 280 (65.4) | 281 (66.4) | 253 (60.4) | 448 (65.0) | 455 (65.1) | 442 (63.3) | 417 (60.4) |
Tobacco use, n (%) | ||||||||
 Non-smoker | 361 (80.6) | 343 (77.4) | 345 (77.7) | 360 (81.2) | 591 (80.4) | 574 (78.4) | 576 (78.6) | 584 (80.1) |
 Smoker | 87 (19.4) | 100 (22.6) | 99 (22.3) | 83 (18.8) | 144 (19.6) | 158 (21.6) | 157 (21.4) | 145 (19.9) |
BMI (kg/m2)* | 26.3 ± 4.1 | 27.6 ± 4.6 | 27.7 ± 4.3 | 27.8 ± 4.8 | 26.9 ± 4.3 | 27.9 ± 4.5 | 28.2 ± 4.5 | 28.8 ± 4.9 |
PASE* | 179.0 ± 82.8 | 161.4 ± 80.1 | 164.1 ± 80.9 | 168.4 ± 84.0 | 169.1 ± 83.1 | 159.6 ± 78.1 | 159.6 ± 80.4 | 161.4 ± 81.0 |
Total energy intake (kcal/day)* | 1274.7 ± 453.1 | 1323.2 ± 486.0 | 1473.4 ± 595.0 | 1511.9 ± 634.4 | 1298.3 ± 475.6 | 1321.4 ± 468.3 | 1449.3 ± 581.6 | 1501.1 ± 621.1 |