Validity of food frequency questionnaire in the investigation of dietary energy and nutrient intakes among infants at 8 months of age

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Chinese Journal of Reproductive Health ›› 2015, Vol. 26 ›› Issue (5) : 397-400.

BAI Wenxing, LI Peng, ZHANG Yan, FENG Yao, ZHOU Hong

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Abstract

Objective To explore the validity of food frequency questionnaire (FFQ) in assessing dietary energy and nutrient intakes among infants at 8 months of age. Methods A convenience sampling was used to select 230 infants at 8 months of age. The dietary intakes of the infants were estimated by 24h dietary recall (24HDR) and FFQ through interviews with the mothers or care-givers. The validity was examined by the comparison between 24HDR and FFQ. Results The dietary energy and nutrients intakes estimated by FFQ was significantly over-evaluated compared to 24HDR, ranging from 2.1% for Fe and 40.9% for Mn. There was a significant positive correlation between 24HDR and FFQ in energy and all nutrients intakes, with correlation coefficient ranging from 0.49 for β-carotene and 0.82 for vitamin E. Conclusion The FFQ could be used to assess the intake of dietary energy and all nutrients among infants at 8 months of age in spite of its overestimation compared to 24HDR.

Key words

Food frequency questionnaire (FFQ) / Validity / 24 h Dietary recall / Correlation coefficient

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BAI Wenxing, LI Peng, ZHANG Yan, FENG Yao, ZHOU Hong. Validity of food frequency questionnaire in the investigation of dietary energy and nutrient intakes among infants at 8 months of age[J]. Chinese Journal of Reproductive Health, 2015, 26(5): 397-400

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