Validity and Reliability of a Food Frequency Questionnaire to Assess Habitual Dietary Intake in Northern Vietnam
The two main objectives of this study were (1) to investigate the face and content validity, and test-retest reliability of a modified food frequency questionnaire (FFQ) originally developed in South Vietnam, and (2) to effectively quantify and monitor habitual dietary intake for the Northern Vietna...
| Main Authors: | , , , |
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| Format: | Journal Article |
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Vietnam Public Health Association
2013
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| Subjects: | |
| Online Access: | http://vjph.org/index.php/en/article/view/8 http://hdl.handle.net/20.500.11937/21276 |