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Validating the food behavior questions from the elementary school SPAN questionnaire.

Krisha Thiagarajah1, Alyce D Fly, Deanna M Hoelscher

  • 1Indiana University, Bloomington, Indiana 47405, USA.

Journal of Nutrition Education and Behavior
|August 30, 2008
PubMed
Summary

The School Physical Activity and Nutrition (SPAN) questionnaire effectively measures fourth graders' dietary behaviors, though some food categories require further validation for accurate nutrition assessment.

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Area of Science:

  • Pediatric Nutrition
  • Behavioral Science
  • Public Health Surveillance

Background:

  • The School Physical Activity and Nutrition (SPAN) questionnaire is a tool for monitoring children's physical activity and nutrition.
  • It has two versions, with this study focusing on the elementary school version.

Purpose of the Study:

  • To evaluate the validity of food consumption questions in the elementary school version of the SPAN questionnaire.
  • Assessing the accuracy of dietary intake data collected via the SPAN tool.

Main Methods:

  • Compared SPAN questionnaire responses with a 24-hour dietary recall from 121 fourth-grade students.
  • Used Spearman correlation, percentage agreement, and kappa statistic to measure agreement.

Main Results:

  • Correlation coefficients ranged from 0.25 to 0.67 for different food items.
  • Percentage agreement varied from 26% to 90%, with kappa statistics from 0.06 to 0.60.
  • Gravy showed high agreement, while bread products and chocolate candy showed lower agreement.

Conclusions:

  • The SPAN questionnaire is a practical tool for assessing recent dietary behaviors in elementary students.
  • Further refinement is needed for questions on vegetables, candy, and snacks to improve accuracy.