Table 1 Modifications in the SFFQ-2007 compared to the SFFQ-1999, in the photographic booklet and the food composition databases used
Modifications | SFFQ-1999 | SFFQ-2007 |
|---|---|---|
Frequency range | • Frequency range after ”never/less than once per month” | • Frequency range after ”never/less than once per month” |
o Often to seldom | o Seldom to often | |
(e.g. times per day to times per week) | (e.g. times per week to times per day) | |
Frequency options | • Highest frequency option: | • Highest frequency option: |
o Yoghurt: “4 or more times per day” | o Yoghurt: “3 or more times per day” | |
o Vitamin/mineral supplements: “3 or more times per day” | o Vitamin/mineral supplements: “2 or more times per day” | |
o Dinner dishes†: | o Dinner dishes†: | |
“Never/less than once per month” | “Never/less than once per month” | |
“1 time per week” | “1 time per month” | |
“2 times per week” | “2 times per month” | |
“3 times per week” | “3 times per month” | |
“4 times per week” | “1 time per week” | |
“5 or more times per week” | “2 times per week” | |
“1-3 times per month” | “3 or more times per week” | |
Number of main questions | • 44 main questions | • 51 main questions |
o 3 questions regarding use of breast milk | o 3 questions regarding use of breast milk | |
o 13 main questions regarding use of approximately 140 food items | o 14 main questions regarding use of approximately 160 food items | |
Photographic booklet | • 16 photograph series | • 17 photograph series |
o A new photograph series of sausages was added | ||
o Rice photograph series replaced with smaller portion sizes | ||
Food composition database used | • Database used for nutrient calculations is IE-96 | • Database used for nutrient calculations is AE-07 |
o The energy content of foods does not include energy from dietary fibre | o Dietary fibre contributes with 8 kilojoules (kJ) per gram fibre | |
o Approximately 100 food item codes were the same as in SFFQ-1999 |