Validation of Food Frequency Questionnaire in estimating Docosahexanoic Acids (DHA) intake among Malay primary school children

Mahadir A., . and Suzana S., . and Mohamad Hasnan A., . and Ismarulyusda I., . and Nurhidayah M., . and Zahara A. M., . and Mohd Azahadi O., . Validation of Food Frequency Questionnaire in estimating Docosahexanoic Acids (DHA) intake among Malay primary school children. pp. 233-243. ISSN 1394-035X

Introduction : Omega-3 Polyunsaturated Fatty Acids (PUFAs) play an important role in developing cognitive function in children especially Docosahexanoic Acid (DHA). However there is no suitable dietary assessment tool to assess DHA intake among Malaysian children. Thus this study assessed the validity of an interviewer-administered semi-quantitative Food Frequency Questionnaire (FFQ) for estimating DHA intake among Malay school children in the Sepang District. Methods: Thirty 12-year-old Malay children (13 boys and 17 girls) were recruited through purposive sampling. Their DHA intake for one month duration was assessed using a 30-food item FFQ and validated against a 3-day food record. Results : The majority of the subjects (70) had normal body mass index 6.7 were overweight 16.7 obese whilst the rest were in the thin category. The reliability of FFQ was found to be good with a Cronbachs coefficient value of 0.815. Wilcoxon Signed Rank Test indicated no significant difference in mean intake between the two assessment methods. Significant and strong correlation between FFQ and the 3-day food record was found for total omega-3 PUFAs (r0.812)and DHA (r0.839) using both methods. BlandAltman analysis exhibited no apparent systematic bias between the two methods for DHA and total omega-3 PUFAs intake whilst a quartile analysis assigned 73.3 of the subjects into the same quartile. Conclusion : The FFQ was found to be valid in estimating DHA intake among Malay school children and it is recommended that its validity be tested on other ethnic population groups.

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Abstract

Introduction : Omega-3 Polyunsaturated Fatty Acids (PUFAs) play an important role in developing cognitive function in children especially Docosahexanoic Acid (DHA). However there is no suitable dietary assessment tool to assess DHA intake among Malaysian children. Thus this study assessed the validity of an interviewer-administered semi-quantitative Food Frequency Questionnaire (FFQ) for estimating DHA intake among Malay school children in the Sepang District. Methods: Thirty 12-year-old Malay children (13 boys and 17 girls) were recruited through purposive sampling. Their DHA intake for one month duration was assessed using a 30-food item FFQ and validated against a 3-day food record. Results : The majority of the subjects (70) had normal body mass index 6.7 were overweight 16.7 obese whilst the rest were in the thin category. The reliability of FFQ was found to be good with a Cronbachs coefficient value of 0.815. Wilcoxon Signed Rank Test indicated no significant difference in mean intake between the two assessment methods. Significant and strong correlation between FFQ and the 3-day food record was found for total omega-3 PUFAs (r0.812)and DHA (r0.839) using both methods. BlandAltman analysis exhibited no apparent systematic bias between the two methods for DHA and total omega-3 PUFAs intake whilst a quartile analysis assigned 73.3 of the subjects into the same quartile. Conclusion : The FFQ was found to be valid in estimating DHA intake among Malay school children and it is recommended that its validity be tested on other ethnic population groups.

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Item Type:	Article
AGROVOC Term:	Polyunsaturated fatty acids
AGROVOC Term:	School children
AGROVOC Term:	Intelligence
AGROVOC Term:	Body mass
AGROVOC Term:	Body measurements
AGROVOC Term:	Body weight
AGROVOC Term:	Diet
AGROVOC Term:	Fatty acids
AGROVOC Term:	Height
AGROVOC Term:	Mental ability
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:53
URI:	http://webagris.upm.edu.my/id/eprint/7867

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