Table 4 Energy-adjusted and corrected Spearman correlation coefficients (SCC) and 95% CI for validity (FFQ1 and FFQ2 vs. 24 h) and reproducibility (FFQ1 vs. FFQ2) of the PERSIAN Cohort FFQ
Energy-adjusted SCC (95% CI) | Corrected SCC (95% CI) | |||||
|---|---|---|---|---|---|---|
Healthy Pattern | Low Protein, High Carb Pattern | Unhealthy Pattern | Healthy Pattern | Low Protein, High Carb Pattern | Unhealthy Pattern | |
FFQ1 vs. 24 h | 0.52 (0.47–0.57) | 0.55 (0.50–0.59) | 0.50 (0.45–0.55) | 0.53 (0.48–0.57) | 0.57 (0.52–0.61) | 0.50 (0.45–0.55) |
FFQ2 vs. 24 h | 0.54 (0.49–0.59) | 0.59 (0.54–0.63) | 0.28 (0.22–0.34) | 0.57 (0.52–0.61) | 0.61 (0.57–0.65) | 0.31 (0.25–0.37) |
FFQ1 vs. FFQ2 | 0.53 (0.48–0.58) | 0.57 (0.52–0.61) | 0.34 (0.28–0.40) | - | - | - |