Open Access Research

Assessing the validity of a self-administered food-frequency questionnaire (FFQ) in the adult population of Newfoundland and Labrador, Canada

Lin Liu1, Peizhong Peter Wang123*, Barbara Roebothan1, Ann Ryan4, Christina Sandra Tucker1, Jennifer Colbourne1, Natasha Baker1, Michelle Cotterchio5, Yanqing Yi1 and Guang Sun6

Author Affiliations

1 Division of Community Health and Humanities, Faculty of Medicine, Memorial University, 300 Prince Philip Drive, St. John’s, NL, A1B 3V6, Canada

2 School of Public Health, Tianjin Medical University, Tianjin, China

3 First Affiliated Hospital, Wenzhou Medical College, Wenzhou, China

4 Health Research Unit, Faculty of Medicine, Memorial University, St. John’s, Canada

5 Population Study and Surveillance, Cancer Care Ontario, Toronto, ON, Canada

6 Discipline of Medicine, Faculty of Medicine, Memorial University, St. John’s, Canada

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Nutrition Journal 2013, 12:49  doi:10.1186/1475-2891-12-49

Published: 16 April 2013

Additional files

Additional file 1:

Food Frequency Questionnaire.

Format: PDF Size: 372KB Download file

This file can be viewed with: Adobe Acrobat Reader

Open Data

Additional file 2:

Bland–Altman plots.

Format: PDF Size: 695KB Download file

This file can be viewed with: Adobe Acrobat Reader

Open Data