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What do babies eat? Evaluation of a food frequency questionnaire to assess the diets of infants aged 6 months

What do babies eat? Evaluation of a food frequency questionnaire to assess the diets of infants aged 6 months
What do babies eat? Evaluation of a food frequency questionnaire to assess the diets of infants aged 6 months
OBJECTIVE: To evaluate the relative validity of a food frequency questionnaire (FFQ) for assessing nutrient intakes in 6-month-old infants.Design and settingThe FFQ was developed to assess the diets of infants born to women in the Southampton Women's Survey (SWS), a population-based survey of young women and their offspring. The energy and nutrient intakes obtained from an interviewer-administered FFQ were compared with those obtained from a 4-day weighed diary.Subjects and methodsA sub-sample of 50 infants aged 6 months from the SWS had their diets assessed by both methods. The FFQ recorded the frequencies and amounts of milks, baby foods, regular foods and drinks consumed by the infants over the previous seven days. The diaries recorded the weights of all foods and drinks consumed by the infants on four separate days within 15 days following FFQ completion. RESULTS: Spearman rank correlation coefficients for intakes of energy, macronutrients and 18 micronutrients, determined by the two methods, ranged from r = 0.39 to 0.86; adjustment for energy intake tended to increase the correlation coefficients, range ra = 0.55 to 0.89. Bland-Altman statistics showed that mean differences between methods were in the range of -12.5 % to +12.5 % except for vitamin B12 (-18.9 %).ConclusionAlthough there were differences in absolute energy and nutrient intakes between methods, Spearman rank correlation coefficients indicated reasonable agreement in the ranking of intakes. The interviewer-administered FFQ is a useful tool for assessing energy and nutrient intakes of healthy infants aged about 6 months.
1368-9800
751-756
Marriott, L.D.
18c0e4f6-1bd6-4b9d-9e6d-4094d24d8631
Robinson, S.M.
d2990871-44a1-48ab-b114-599753849c2b
Poole, J.
d6c5377d-ac31-4552-8108-e5bd16f9fd00
Boorland, S.E.
1b14445a-7f5c-4327-85e4-e2c6fe50e551
Godfrey, K.M.
23a43cc5-fc78-4b6e-9e30-16bac46e6d79
Law, C.M.
dea86924-3c5e-472b-bfd4-a54cccc9fe90
Inskip, H.M.
3f941a09-2f75-4b6d-8cb6-7662c4238cfb
The Southampton Women's Survey Study Group, None
917d0a95-3305-4c95-8bd2-63fe4dfe5dfb
Marriott, L.D.
18c0e4f6-1bd6-4b9d-9e6d-4094d24d8631
Robinson, S.M.
d2990871-44a1-48ab-b114-599753849c2b
Poole, J.
d6c5377d-ac31-4552-8108-e5bd16f9fd00
Boorland, S.E.
1b14445a-7f5c-4327-85e4-e2c6fe50e551
Godfrey, K.M.
23a43cc5-fc78-4b6e-9e30-16bac46e6d79
Law, C.M.
dea86924-3c5e-472b-bfd4-a54cccc9fe90
Inskip, H.M.
3f941a09-2f75-4b6d-8cb6-7662c4238cfb
The Southampton Women's Survey Study Group, None
917d0a95-3305-4c95-8bd2-63fe4dfe5dfb

Marriott, L.D., Robinson, S.M., Poole, J., Boorland, S.E., Godfrey, K.M., Law, C.M., Inskip, H.M. and The Southampton Women's Survey Study Group, None (2008) What do babies eat? Evaluation of a food frequency questionnaire to assess the diets of infants aged 6 months. Public Health Nutrition, 11 (7), 751-756. (doi:10.1017/S1368980007001292).

Record type: Article

Abstract

OBJECTIVE: To evaluate the relative validity of a food frequency questionnaire (FFQ) for assessing nutrient intakes in 6-month-old infants.Design and settingThe FFQ was developed to assess the diets of infants born to women in the Southampton Women's Survey (SWS), a population-based survey of young women and their offspring. The energy and nutrient intakes obtained from an interviewer-administered FFQ were compared with those obtained from a 4-day weighed diary.Subjects and methodsA sub-sample of 50 infants aged 6 months from the SWS had their diets assessed by both methods. The FFQ recorded the frequencies and amounts of milks, baby foods, regular foods and drinks consumed by the infants over the previous seven days. The diaries recorded the weights of all foods and drinks consumed by the infants on four separate days within 15 days following FFQ completion. RESULTS: Spearman rank correlation coefficients for intakes of energy, macronutrients and 18 micronutrients, determined by the two methods, ranged from r = 0.39 to 0.86; adjustment for energy intake tended to increase the correlation coefficients, range ra = 0.55 to 0.89. Bland-Altman statistics showed that mean differences between methods were in the range of -12.5 % to +12.5 % except for vitamin B12 (-18.9 %).ConclusionAlthough there were differences in absolute energy and nutrient intakes between methods, Spearman rank correlation coefficients indicated reasonable agreement in the ranking of intakes. The interviewer-administered FFQ is a useful tool for assessing energy and nutrient intakes of healthy infants aged about 6 months.

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Published date: July 2008

Identifiers

Local EPrints ID: 61361
URI: http://eprints.soton.ac.uk/id/eprint/61361
ISSN: 1368-9800
PURE UUID: 3c26148c-49dc-4582-a55b-c8759885e6e9

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Date deposited: 30 Sep 2008
Last modified: 15 Mar 2024 11:26

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Contributors

Author: L.D. Marriott
Author: S.M. Robinson
Author: J. Poole
Author: S.E. Boorland
Author: K.M. Godfrey
Author: C.M. Law
Author: H.M. Inskip
Author: None The Southampton Women's Survey Study Group

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