Table 2.
Evaluation of the response quality of ChatGPT’s dietary advice across the five scenarios.
| S1: Balanced Eating | S2: Fit Weight | S3: Dining Out Well | S4: Fewer Processed Foods | S5: Limit Sugary Drinks | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Criteria | Range | M (SD) | Median | Range | M (SD) | Median | Range | M (SD) | Median | Range | M (SD) | Median | Range | M (SD) | Median |
| Accuracy | 4–10 | 7.90 (1.73) | 8 | 3–10 | 7.53 (1.94) | 8 | 3–10 | 7.47 (2.00) | 8 | 2–10 | 7.90 (1.85) | 8 | 2–10 | 6.60 (2.14) | 7 |
| Currency | 3–10 | 7.70 (1.73) | 8 | 3–10 | 7.27 (1.91) | 7 | 2–10 | 7.27 (2.29) | 8 | 2–10 | 7.73 (1.93) | 8 | 3–10 | 6.97 (1.69) | 7 |
| Completeness | 3–10 | 7.27 (1.89) | 8 | 3–10 | 6.70 (1.93) | 6.5 | 3–10 | 6.73 (2.29) | 7 | 3–10 | 7.90 (1.73) | 8 | 3–10 | 6.80 (1.96) | 7 |
| Understandability | 1–10 | 7.00 (2.20) | 7 | 1–10 | 6.23 (1.98) | 6.5 | 1–10 | 6.37 (2.36) | 7 | 3–10 | 7.40 (1.96) | 8 | 2–10 | 6.70 (2.25) | 7.5 |
| Readability | 4–10 | 8.03 (1.85) | 8 | 4–10 | 8.03 (1.71) | 8 | 3–10 | 7.97 (2.04) | 8 | 3–10 | 8.27 (1.72) | 8 | 3–10 | 8.00 (1.84) | 8 |
| Relevance | 1–10 | 7.43 (2.27) | 8 | 1–10 | 6.57 (2.49) | 7 | 3–10 | 6.83 (2.17) | 7 | 3–10 | 7.83 (1.90) | 8 | 3–10 | 6.83 (1.95) | 7 |
| Practicality | 1–10 | 6.77 (2.37) | 7.5 | 1–10 | 6.30 (2.14) | 7 | 3–10 | 6.63 (2.19) | 7 | 3–10 | 7.67 (1.88) | 8 | 3–10 | 7.23 (1.91) | 7.5 |
Note: M: mean; SD: standard deviation.