Table 3 Food intake assessment methodologies, measurement tools, validity and reliability of measurement tools

Assessment methodology^a

face-to-face interviews

19

self-administered questionnaire

5

self-administered questionnaire: online survey

4

not mentioned

1

Measurement tool^a

Food frequency questionnaire

11

24-h dietary recall

10

24-h dietary recall and Food frequency questionnaire

2

Dietary habits questionnaire

2

Food consumption survey

2

Eating patterns and food consumption questionnaire

2

Validity of measurement tools^a

Not mentioned

17

Yes

7

Not validated

6

Reliability of measurement tools^a

Not mentioned

24

Yes

4

Not validated

2

Reporting of food consumption^b

Mean daily intake of food groups: percentage of total energy intake (%EI)

16

Factor loading matrix of the main dietary patterns prevalent among study participants

13

Frequency consumption of food groups

6

Mean daily food group consumption: servings

5

Mean daily food group consumption: grams

4

Consumption of food groups: Yes \ No

3

Daily consumption of food groups: adequate \ inadequate

1

Total of reporting

48 ^b