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The evaluation and use of a food frequency questionnaire among the population in Trivandrum, South Kerala, India

Vijay, Amrita; Mohan, Leena; Taylor, Moira; Grove, Jane; Valdes, Ana; Aithal, Guru; Shenoy, K.T.


Leena Mohan

Moira Taylor

Jane Grove

Ana Valdes

Guru Aithal

K.T. Shenoy


Natalie Horsepool

Bethany Robinson
Project Member

emma Bradley


Dietary record tools such as food frequency questionnaire (FFQ) and food diaries (FD) are the most commonly used choices for assessing dietary intakes in most large-scale epidemiological studies. The authors developed a self-administered 360-item food frequency questionnaire (FFQ) to assess dietary intakes amongst a population-based cohort in South Kerala. In the validation study (n = 460), the data was collected using FFQs that were administered on three different occasions which was then compared to 7-day food records. The intake of foods and nutrients was higher as determined by the FFQ than that assessed using food records. Spearman correlations for macro-nutrients ranged from 0.72 for protein to 0.61 for carbohydrates and for micronutrients, from 0.71 for Vitamin B6 to 0.34 for Magnesium. The correlation was improved with energy adjusted nutrient intakes. On average, the exact agreement for the macronutrients ranged from 48.2% to 57.1%, and that for micronutrients ranged from 66.7% to 41.9%, with the median percentage of 49.58%. The authors conclude that the FFQ has an acceptable reproducibility, however there was a systematic trend towards higher estimates with the FFQ for most nutrients compared to the FD records.

Journal Article Type Article
Publication Date Jan 31, 2020
Journal Nutrients
Electronic ISSN 2072-6643
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 12
Issue 2
Article Number 383
APA6 Citation Vijay, A., Mohan, L., Taylor, M., Grove, J., Valdes, A., Aithal, G., & Shenoy, K. (2020). The evaluation and use of a food frequency questionnaire among the population in Trivandrum, South Kerala, India. Nutrients, 12(2),
Keywords Food Frequency Questionnaire; Food Diary; Validation; Dietary analysis; India; Dietary intake; Dietary pattern
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