Table 2 |
|
|
Correlation coefficient for validity of the Food frequency questionnaire |
|
|
Food items/groups |
r |
|
|
|
|
Cornflakes |
0.58 |
|
Milk chocolate |
0.61 |
|
Fruit |
0.63 |
|
Pasta |
0.66 |
|
Rice |
0.66 |
|
Delicatessen |
0.66 |
|
Potatoes |
0.67 |
|
Sweets |
0.67 |
|
Boiled vegetables |
0.69 |
|
Fruit juices |
0.70 |
|
Souvlaki |
0.70 |
|
Breakfast |
0.71 |
|
Pizza |
0.72 |
|
Meat |
0.72 |
|
Biscuits |
0.73 |
|
Egg |
0.74 |
|
Fresh vegetables |
0.76 |
|
Legumes |
0.76 |
|
Bread |
0.77 |
|
Sandwiches |
0.77 |
|
Fish food |
0.78 |
|
Potato chips |
0.79 |
|
Refreshments |
0.79 |
|
Pies |
0.82 |
|
Dairy |
0.84 |
|
Milk |
0.90 |
|
|
|
|
Roumelioti and Leotsinidis Nutrition Journal 2009 8:8 doi:10.1186/1475-2891-8-8 |
|
