Table 4.
Reproducibility of the simplified food frequency questionnaire for foods/food based on gender
| Food/food groups (time/day) | ICC (95% CI) |
||
|---|---|---|---|
| Male | Female | Total | |
| HVO | 0.64 (0.42-0.85) | 0.69 (0.47-0.91) | 0.66 (0.44-0.89) |
| Non-HVO | 0.68 (0.48-0.92) | 0.67 (0.46-0.90) | 0.67 (0.45-0.91) |
| Animal fat | 0.53 (0.34-0.71) | 0.57 (0.35-0.73) | 0.59 (0.36-0.75) |
| Animal protein | 0.61 (0.46-0.79) | 0.63 (0.47-0.79) | 0.67 (0.49-0.83) |
| Dairy products | 0.65 (0.48-0.83) | 0.68 (0.45-0.84) | 0.69 (0.48-0.85) |
| Plant protein | 0.56 (0.34-0.72) | 0.59 (0.36-0.75) | 0.61 (0.39-0.78) |
| Grains | 0.47 (0.26-0.69) | 0.46 (0.22-0.66) | 0.47 (0.25-0.70) |
| Nuts | 0.64 (0.40-0.89) | 0.65 (0.39-0.92) | 0.67 (0.40-0.93) |
| Fruits and vegetables | 0.52 (0.29-0.76) | 0.58 (0.31-0.79) | 0.51 (0.28-0.74) |
| Fast foods | 0.65 (0.42-0.88) | 0.62 (0.40-0.85) | 0.64 (0.41-0.86) |
| Sweets | 0.55 (0.32-0.76) | 0.60 (0.34-0.87) | 0.59 (0.34-0.88) |
| Beverages | 0.48 (0.31-0.64) | 0.45 (0.32-0.59) | 0.49 (0.36-0.63) |
| Pickles | 0.59 (0.37-0.80) | 0.63 (0.42-0.85) | 0.61 (0.40-0.82) |
ICC (95% CI): Intra class correlation coefficient (95% confidence interval); HVO: Hydrogenated vegetable oil