Table 5.
Pearson’s correlations for micronutrient intakes between the estimates from the FFQ and the mean of 3d diet records for the participants in the Baltimore Longitudinal Study of Aging validation study
Nutrient | All | Men | Women | < 65 y | ≥65 y | |||||
---|---|---|---|---|---|---|---|---|---|---|
Energy adjusted |
De- attenuated |
Energy adjusted |
De- attenuated |
Energy adjusted |
De- attenuated |
Energy adjusted |
De- attenuated |
Energy adjusted |
De- attenuated |
|
Total Vitamin A Activity | 0.34 | 0.45 | 0.34 | 0.44 | 0.34 | 0.45 | 0.33 | 0.45 | 0.35 | 0.46 |
Alpha-Carotene | 0.37 | 0.50 | 0.38 | 0.51 | 0.38 | 0.51 | 0.35 | 0.52 | 0.38 | 0.49 |
Beta-Carotene Equivalents | 0.37 | 0.51 | 0.36 | 0.51 | 0.36 | 0.51 | 0.38 | 0.57 | 0.37 | 0.50 |
Vitamin B-6 | 0.42 | 0.50 | 0.52 | 0.62 | 0.36 | 0.43 | 0.38 | 0.46 | 0.45 | 0.53 |
Vitamin B-12 | 0.35 | 0.45 | 0.43 | 0.56 | 0.27 | 0.35 | 0.31 | 0.44 | 0.36 | 0.45 |
Total Folate | 0.46 | 0.55 | 0.53 | 0.64 | 0.39 | 0.46 | 0.41 | 0.50 | 0.49 | 0.57 |
Vitamin E | 0.36 | 0.42 | 0.42 | 0.48 | 0.30 | 0.34 | 0.36 | 0.42 | 0.36 | 0.41 |
Vitamin C | 0.46 | 0.56 | 0.48 | 0.58 | 0.44 | 0.53 | 0.48 | 0.61 | 0.45 | 0.53 |
Vitamin D | 0.45 | 0.56 | 0.48 | 0.59 | 0.44 | 0.54 | 0.43 | 0.52 | 0.45 | 0.57 |
Vitamin E | 0.36 | 0.41 | 0.41 | 0.47 | 0.30 | 0.35 | 0.37 | 0.43 | 0.35 | 0.40 |
Vitamin K | 0.38 | 0.52 | 0.31 | 0.43 | 0.35 | 0.49 | 0.33 | 0.50 | 0.40 | 0.53 |
Calcium | 0.56 | 0.65 | 0.57 | 0.66 | 0.52 | 0.61 | 0.57 | 0.65 | 0.54 | 0.64 |
Copper | 0.42 | 0.49 | 0.46 | 0.54 | 0.37 | 0.44 | 0.39 | 0.47 | 0.43 | 0.50 |
Iron | 0.40 | 0.47 | 0.43 | 0.51 | 0.36 | 0.43 | 0.44 | 0.51 | 0.38 | 0.45 |
Potassium | 0.50 | 0.57 | 0.56 | 0.63 | 0.47 | 0.53 | 0.53 | 0.60 | 0.48 | 0.54 |
Sodium | 0.27 | 0.32 | 0.20 | 0.23 | 0.33 | 0.39 | 0.26 | 0.31 | 0.27 | 0.32 |
Magnesium | 0.60 | 0.67 | 0.64 | 0.72 | 0.59 | 0.66 | 0.59 | 0.67 | 0.60 | 0.67 |
Manganese | 0.59 | 0.68 | 0.68 | 0.77 | 0.52 | 0.59 | 0.53 | 0.61 | 0.63 | 0.71 |
Selenium | 0.36 | 0.47 | 0.31 | 0.40 | 0.39 | 0.49 | 0.42 | 0.56 | 0.33 | 0.41 |
Zinc | 0.31 | 0.39 | 0.25 | 0.32 | 0.36 | 0.45 | 0.41 | 0.50 | 0.26 | 0.33 |
Phosphorus | 0.52 | 0.60 | 0.56 | 0.65 | 0.50 | 0.59 | 0.54 | 0.63 | 0.49 | 0.57 |
Average correlations | 0.42 | 0.51 | 0.44 | 0.54 | 0.40 | 0.48 | 0.42 | 0.52 | 0.42 | 0.50 |