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Table 2 Central ideas and corresponding proportion (%) of total key expressions generated in response to the second survey question on self-assessment of diet

From: Does knowledge of evolutionary biology change high school students’ attitudes about healthy eating?

 Healthy (%)Somewhat/not healthy (%)
1. A balanced and/or varied diet17.8533.0
2. Calorie and/or portion control17.8513.5
 Subtotal (broad concepts)35.746.5
3. Avoiding certain foods28.620.0
4. Including certain foods25.020.0
 Subtotal (specific “do’s and don’ts”)53.640.0
5. Other10.713.5