Vitamin E (SE) | Placebo (SE) | Difference (p value) | |
Proportion female (%) | 60 | 57 | 0.83 (χ2) |
Australian born (%) | 76 | 54 | 0.04 (χ2) |
Mean age | 67.1 (1.4) | 66.1 (1.5) | 0.62 |
BMI1-150 | 27.6 (0.8) | 30.5 (1.0) | 0.03 |
Dietary vitamin E | 4.7 (0.6) | 4.2 (0.3) | 0.45 |
Mean activity score | 6.0 (0.2) | 6.2 (0.2) | 0.61 |
Mean pain score | 76.4 (5.6) | 87.7 (5.5) | 0.15 |
Mean stiffness score | 38.8 (3.0) | 41.5 (2.9) | 0.51 |
Mean physical function score | 303.6 (21.4) | 325.8 (21.1) | 0.46 |
Mean pain frequency | 3.1 (0.18) | 3.2 (0.18) | 0.91 |
Categorical pain score | 2.0 (0.13) | 2.3 (0.16) | 0.14 |
Observer global score | 1.9 (0.12) | 2.2 (0.14) | 0.38 |
Radiological score (SE) | 4.9 (0.5) | 4.5 (0.5) | 0.57 |
NSAID1-150 frequency | 1.5 (1.8) | 1.5 (1.9) | 0.96 |
Analgesic frequency | 1.2 (1.4) | 1.2 (1.5) | 0.87 |
↵1-150 BMI = body mass index; NSAID = non-steroidal anti-inflammatory drug.