Table 4.
Energy and nutrient differences chosen by participants using the MTL-GDA or the M-GDA system: healthy adolescents (n 81) aged 14–16 years, Castellon, Spain
| Difference between M-GDA and MTL-GDA systems | Difference between the healthiest and least | |||
|---|---|---|---|---|
| Mean | sd | healthy options expressed as a percentage | P value* | |
| Energy (kJ) | −123·1 | 211·0 | −4·3 | 0·0001 |
| Sugar (g) | −4·5 | 4·6 | −8·6 | <0·001 |
| Total fat (g) | −2·1 | 4·5 | −4·1 | 0·006 |
| Saturated fat (g) | −1·0 | 1·9 | −5·8 | 0·002 |
| Salt (g) | −0·4 | 0·5 | −6·0 | <0·001 |
MTL-GDA, multiple-traffic-light Guideline Daily Amounts; M-GDA, monochrome Guideline Daily Amounts.
*P value using the Student t test for a single sample.