Table 2: Intake frequencies of different foods based on a sample of Swedish women with and without rheumatoid arthritis.
<1/month | 1-3/month | 1-2/week | 3-6/week | 1-2/day | > 3/days | Adjusted P-value | Crude P-value | ||
Root vegetables | RA n = 147 | 8 | 18 | 35 | 31 | 8 | 1 | 0.669a | 0.91 |
Without RA n = 163 | 6 | 22 | 29 | 37 | 6 | 1 | |||
Legumes | RA n = 146 | 19 | 30 | 36 | 14 | 1 | 1 | 0.185a | 0.096 |
Without RA n = 162 | 15 | 25 | 36 | 19 | 5 | 0 | |||
Vegetables | RA n = 149 | 0 | 1 | 10 | 34 | 46 | 9 | 0.335b | 0.084 |
Without RA n = 163 | 1 | 2 | 6 | 22 | 63 | 8 | |||
Fruit and berries | RA n = 149 | 1 | 5 | 6 | 31 | 42 | 14 | 0.205b | 0.619 |
Without RA n = 163 | 3 | 3 | 9 | 29 | 45 | 10 | |||
Nuts and seeds | RA n = 148 | 21 | 26 | 23 | 19 | 11 | 1 | 0.003d** | < 0.001** |
Without RA n = 163 | 9 | 19 | 28 | 20 | 24 | 1 | |||
Charcuteries | RA n = 148 | 24 | 17 | 24 | 24 | 10 | 1 | 0.603a | 0.35 |
Without RA n = 162 | 26 | 20 | 25 | 23 | 6 | 0 | |||
Sausages, hamburgers, kebab | RA n = 142 | 47 | 37 | 16 | 1 | 0 | 0 | 0.134c | 0.134 |
Without RA n = 159 | 37 | 45 | 18 | 0 | 0 | 0 | |||
Chicken | RA n = 148 | 7 | 14 | 63 | 15 | 1 | 0 | 0.106a | 0.467 |
Without RA n = 162 | 10 | 9 | 57 | 22 | 2 | 0 | |||
Red meat | RA n = 150 | 15 | 13 | 47 | 24 | 1 | 0 | < 0.001a** | 0.036* |
Without RA n = 163 | 9 | 12 | 44 | 32 | 3 | 0 | |||
Lean fish | RA n = 149 | 16 | 35 | 44 | 4 | 1 | 0 | 0.378a | 0.747 |
Without RA n = 162 | 10 | 37 | 46 | 7 | 0 | 0 | |||
Fatty fish | RA n = 122 | 17 | 33 | 41 | 5 | 1 | 0 | 0.416a | 0.398 |
Without RA n = 106 | 10 | 35 | 50 | 5 | 0 | 0 | |||
Shellfish | RA n = 123 | 41 | 42 | 14 | 1 | 0 | 0 | 0.099e | 0.240 |
Without RA n = 106 | 27 | 56 | 15 | 2 | 0 | 0 | |||
Mussels | RA n = 122 | 90 | 6 | 1 | 0 | 0 | 0 | 0.023f* | 0.074 |
Without RA n = 106 | 86 | 11 | 1 | 1 | 0 | 1 | |||
Sweets and chocolate | RA = 148 | 22 | 30 | 36 | 10 | 3 | 0 | 0.118e | 0.011* |
Without RA = 163 | 13 | 25 | 44 | 15 | 3 | 0 | |||
Ice cream | RA = 149 | 48 | 36 | 13 | 3 | 1 | 0 | 0.359a | 0.201 |
Without RA = 161 | 37 | 47 | 14 | 3 | 0 | 0 | |||
Snacks | RA = 150 | 44 | 39 | 15 | 1 | 0 | 0 | 0.388e | 0.015* |
Without RA = 162 | 32 | 44 | 24 | 1 | 0 | 0 | |||
Pastries | RA = 150 | 30 | 31 | 26 | 10 | 3 | 0 | 0.559a | 0.894 |
Without RA = 162 | 27 | 33 | 33 | 6 | 1 | 0 |
RA: Rheumatoid arthritis All P values calculated with linear regression models. a) Adjusted for age, body mass index and education. b) Adjusted for body mass index and education. c) Adjusted for age and body mass index. d) Adjusted for education. e) Adjusted for education and age. f) Adjusted for age. * p < 0.05, **p < 0.01.