Table 2

Spearman rank correlation coefficients of food group intake between the food frequency questionnaire and two 24-hour dietary recalls

Sex

Age group


All participants

Men

Women

18- 34 years

35 - 50 years

51 - 64 years

65 - 80 years


Food group

n = 161

n = 82

n = 79

n = 22

n = 57

n = 56

n = 26

Tea

0.80‡

0.74‡

0.76‡

0.74‡

0.79‡

0.81‡

0.83‡

Coffee

0.78‡

0.69‡

0.83‡

0.75‡

0.81‡

0.71‡

0.76‡

Butter and margarine

0.70‡

0.67‡

0.67‡

0.80‡

0.61‡

0.66‡

0.71‡

Sweet spreads

0.65‡

0.66‡

0.63‡

0.26

0.62‡

0.52‡

0.69‡

Milk

0.63‡

0.61‡

0.64‡

-0.03§

0.67‡

0.70‡

0.72‡

Breakfast cereals

0.62‡

0.64‡

0.60‡

0.58†

0.57‡

0.63‡

0.75‡

Non alcoholic beverages

0.61‡

0.62‡

0.59‡

0.70‡

0.60‡

0.64‡

0.29

Alcoholic beverages

0.60‡

0.65‡

0.53‡

-0.07§

0.52‡

0.73‡

0.87‡

Meat products

0.58‡

0.45‡

0.49‡

0.62†

0.58‡

0.51‡

0.55†

Water

0.53‡

0.54‡

0.52‡

0.38

0.44‡

0.52‡

0.66‡

Fresh fruits

0.51‡

0.55‡

0.46‡

0.51*

0.54‡

0.53‡

0.38

Curd cheese, soured milk, yoghurt

0.49‡

0.41‡

0.48‡

0.24

0.49‡

0.47‡

0.40*

Bread

0.46‡

0.41‡

0.40‡

0.31

0.46‡

0.43‡

0.56*

Sweets

0.45‡

0.45‡

0.45‡

0.30

0.32*

0.53‡

0.63‡

Cream cheese

0.40‡

0.32†

0.48‡

0.41

0.46‡

0.34†

0.37

Cheese

0.40‡

0.40‡

0.39‡

0.38

0.52‡

0.25

0.30

Fish

0.36‡

0.38‡

0.32†

0.22

0.42‡

0.38†

0.22

Salty snacks

0.33‡

0.33†

0.33†

0.62†

0.17

0.34†

0.33

Meat

0.29‡

0.32†

0.21

0.13

0.13

0.28*

0.62‡

Raw vegetables

0.29‡

0.23*

0.27*

0.18

0.43†

0.24

0.18

Processed fruits

0.27‡

0.16

0.38‡

0.17

0.18

0.35†

0.41*

Potatoes

0.27‡

0.26*

0.26*

0.36

0.17

0.12

0.47*

Fast food

0.25‡

0.16

0.36*

0.43*

0.40*

0.11

0.07

Legumes

0.22‡

0.28*

0.09

0.26

0.22

0.22

0.19

Eggs

0.20†

0.28*

0.10

-0.23§

0.33*

0.15

0.44*

Pasta

0.19*

0.27*

0.09

0.16

0.20

0.14

0.26

Rice

0.19*

0.18

0.20

-0.15§

0.15

0.35†

0.11

Cooked vegetables

0.16

0.08

0.23*

-0.16§

0.26

0.21

0.00§

Pizza

0.15

-0.10§

0.19

0.10

-0.05§

0.07


Significance level: * P < 0.05, †P < 0.01, ‡ P < 0.001

§ The correlation coefficient was negative or could not be calculated due to a high number of participants who did not consume the food on both recall days

Haftenberger et al. Nutrition Journal 2010 9:36   doi:10.1186/1475-2891-9-36

Open Data