Table 3: Correlation coefficients ( -square) between the comparable component scores of the HEI 2005 and RC-DQI in the total sample and three mutually exclusive age groups.

HEI 2005
ComponentsRC-DQI
Milk/DairyFruitsVegetablesTotal grainWhole grain

Total sample ( = 5,936)
Milk/dairy0.3381**0.1217**0.03500.03370.1569**
Fruit0.02970.5506**0.0838**−0.00580.1418**
Vegetables−0.0724**−0.03440.2769**−0.0843**−0.0275
Total grains −0.0469*0.0024−0.1004**0.1659**0.0376
Whole grains0.00660.0536**−0.03510.0453**0.4145**

2–5 year olds ( = 1,405)
Milk/dairy0.2036**0.0045−0.0467−0.07720.0432
Fruit−0.02520.5555**0.0481−0.00070.1871**
Vegetables−0.0709−0.05200.2601**−0.0511−0.0417
Total grains −0.06680.0186−0.0953*0.1867**0.1871**
Whole grains−0.06820.0462−0.1035*0.0686**0.4263**

6–11 year olds ( = 1,586)
Milk/dairy0.2769**0.0535−0.0718−0.02630.0888
Fruit−0.02470.4800**−0.0334−0.04330.1057*
Vegetables−0.04920.01290.2948**−0.0737−0.0239
Total grains −0.06910.0636−0.0897**0.1573**−0.0098
Whole grains−0.01210.0918*0.01300.0613**0.3613**

12–18 year olds ( = 2,945)
Milk/dairy0.3702**0.0251−0.04830.00030.1813**
Fruit−0.00620.5476**0.0039−0.0835*0.0029
Vegetables−0.0659−0.02920.3633**−0.0797*0.0053
Total grains −0.0071−0.0246−0.1118**0.1942**0.0106
Whole grains0.05040.0115−0.05250.02460.4781**

significant at P value < 0.05.
significant at P value < 0.01.