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Workplace nutrition knowledge questionnaire: psychometric validation and application.

Simone C Guadagnin1, Eduardo Y Nakano2, Eliane S Dutra3

  • 11Post Graduate Program on Human Nutrition, Faculty of Health Sciences,University of Brasilia,Brasilia,Federal District,70910-900,Brazil.

The British Journal of Nutrition
|October 26, 2016
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Summary
This summary is machine-generated.

A validated nutrition knowledge questionnaire (NQ) effectively measures changes from workplace nutrition education programs (NEP). Interactive education significantly improved nutrition knowledge more than lecture-based programs.

Keywords:
NCD non-communicable diseasesNEP Nutrition Education ProgramNQ nutrition knowledge questionnaireRMSEA root mean square error of approximationNutrition knowledgeProgrammesPsychometric validationQuestionnaires

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Area of Science:

  • Public Health
  • Nutrition Science
  • Health Education

Background:

  • Workplace dietary intervention studies in low- and middle-income countries are limited.
  • Validated psychometric measures for nutrition knowledge are scarce in these settings.

Purpose of the Study:

  • To validate a nutrition knowledge questionnaire (NQ).
  • To assess the utility of the NQ in evaluating changes in nutrition knowledge following a workplace Nutrition Education Program (NEP).

Main Methods:

  • The NQ underwent validation for construct validity, internal consistency, and discriminant validity.
  • The NQ was administered to participants in a workplace NEP across six sites, comparing interactive vs. lecture-based education.

Main Results:

  • The final NQ comprised four domains with good internal consistency and construct validity.
  • The NQ demonstrated discriminant validity, with experts scoring higher than lay groups.
  • The NEP intervention significantly increased overall NQ scores.
  • Interactive education yielded significantly greater improvements in NQ scores compared to lecture-based education.

Conclusions:

  • The validated NQ is a concise and effective tool for assessing nutrition knowledge gains in workplace NEP.
  • Interactive nutrition education demonstrates a higher impact on improving nutrition knowledge than traditional lecture formats.