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Reproducibility and relative validity of food group intake in a food frequency questionnaire developed for Nepalese diet by Archana Shrestha; Rajendra Prasad Koju; Shirley A.A. Beresford; Kwun Chuen Gary Chan; Frederik A. Connell; Biraj Man Karmacharya; Pramita Shrestha; Annette L. Fitzpatrick is a Medicine article available to read on EtoBox.

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We developed a food frequency questionnaire (FFQ) designed to measure the dietary practices of adult Nepalese. The present study examined the validity and reproducibility of the FFQ. To evaluate the reproducibility of the FFQ, 116 subjects completed two 115-item FFQ across a four-month interval. Six 24-h dietary recalls were collected (1 each month) to assess the validity of the FFQ. Seven major food groups and 23 subgroups were clustered from the FFQ based on macronutrient composition. Spearman correlation coefficients evaluating reproducibility for all food groups were greater than 0.5, with the exceptions of oil. The correlations varied from 0.41 (oil) to 0.81 (vegetables). All crude spearman coefficients for validity were greater than 0.5 except for dairy products, pizzas/pastas and sausage/burgers. The FFQ was found to be reliable and valid for ranking the intake of food groups for Nepalese dietary intake.

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Author

Archana Shrestha; Rajendra Prasad Koju; Shirley A.A. Beresford; Kwun Chuen Gary Chan; Frederik A. Connell; Biraj Man Karmacharya; Pramita Shrestha; Annette L. Fitzpatrick

Publisher

Informa UK Limited

Published

2017

Language

EN

Field

Medicine (Health Sciences)