Table 1 Demographic data (n = 4638)
Variables | With new knee pain (n = 1262) | Without new knee pain (n = 3376) |
|---|---|---|
Age (year) | 63.6 ± 6.5 [50–75] | 62.0 ± 6.3 [50–75] |
Sex | ||
Male | 411 (32.6) | 1221 (36.2) |
Female | 851 (67.4) | 2155 (63.8) |
BMI | 23.1 ± 3.1 [14.3–36.1] | 22.3 ± 2.8 [13.6–37.8] |
Weight change, No (%) | ||
Within 3 kg | 286 (22.7) | 965 (28.6) |
3〜10 kg increase | 473 (37.5) | 1190 (35.3) |
10 kg < increase | 277 (22.0) | 592 (17.5) |
3〜10 kg decrease | 226 (17.9) | 629 (18.6) |
3 kg < decrease | 0 (0) | 0 (0) |
Smoking | ||
Current smoker | 130 (10.3) | 361(10.7) |
Quitted | 263 (20.8) | 728 (21.6) |
Never smoker | 869 (68.9) | 2287 (67.7) |
Alcohol | ||
Current drinker | 688 (54.5) | 2034 (60.1) |
Quitted | 31 (2.5) | 46 (1.4) |
Never drinker | 543 (43.0) | 1296 (38.4) |
Alcohol consumption (unit/day) | ||
< 1 unit | 420 (61.0) | 1200 (59.3) |
1 ≤ consumption < 2 | 198 (28.7) | 591 (29.2) |
2 ≤ consumption < 3 | 62 (9.0) | 182 (9.0) |
3 ≤ consumption | 9 (1.3) | 49 (2.5) |
Activity | ||
Sedentary | 76 (6.0) | 237 (7.0) |
Moderately active | 883 (70.0) | 2341 (69.3) |
Active | 303 (24.0) | 798 (23.7) |
Mental health (points) | 18.5 ± 3.4 [6–25] | 19.1 ± 3.3 [5–25] |
Low back pain (points) | 0, 0–1 [0–20] | 0, 0–2 [0–20] |
ABI | 1.09 ± 0.08 [0.58–1.31] | 1.08 ± 0.07 [0.51–1.39] |
hsCRP (mg/dl) | 1019.2 ± 3073.5 [50–52,700] | 897.1 ± 3338.4 [50–1,260,000] |
NTX (nmolBCE/nmolCr) | 40.5 ± 21.0 [7–154] | 40.2 ± 20.2 [5–196] |
CTX (μg/nmolCr) | 224.9 ± 139.1 [14–1005] | 226.4 ± 131.0 [13–1103] |