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Technology-based dietary assessment: development of the Synchronised Nutrition and Activity Program (SNAP)
H J Moore1, F C Hillier, A M Batterham
1School for Medicine, Pharmacy and Health, Durham University, Stockton-on-Tees, UK.
Summary
The Synchronised Nutrition and Activity Program (SNAP) efficiently assesses children's diet and physical activity. This tool provides accurate data for understanding energy balance behaviors in population studies.
Area of Science:
- Nutritional Epidemiology
- Public Health
- Behavioral Science
Background:
- Accurate assessment of dietary intake and physical activity is crucial for understanding energy balance-related behaviors and their impact on health.
- Existing methods may lack feasibility or reliability for large-scale studies.
Purpose of the Study:
- To develop and evaluate the Synchronised Nutrition and Activity Program (SNAP) for assessing energy balance-related behaviors in children.
- To enhance recall accuracy by integrating novel and established assessment methods.
Main Methods:
- SNAP utilizes lists of common foods, drinks, and physical activities to capture daily intake and activity.
- Dietary intake is measured by count, and physical activity is coded in metabolic equivalents (METs) to determine minutes of moderate-to-vigorous physical activity (MVPA).
- The program was validated against 24-hour multiple-pass questionnaires and accelerometry in 121 children aged 7-15.
Main Results:
- SNAP allowed for a full day's recall of dietary intake and physical activity in under 25 minutes.
- For dietary variables, SNAP demonstrated accuracy within ±1 count for most food groups.
- SNAP showed no substantial bias compared to accelerometry for MVPA, with a mean difference of -9 minutes.
Conclusions:
- SNAP is a simple, quick, and engaging method for assessing energy balance-related behaviors at group or population levels.
- The program achieves a reasonable degree of accuracy in a short assessment time.
- SNAP's efficiency and engagement make it suitable for large-scale public health research.
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