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)	-	-	-