Table 1.
Model estimates and significance values summarising the influence of health warnings and perceived food attributes on ERP components.
| Outcome | Predictor | β (SE) | P |
|---|---|---|---|
| N1 | Intercept | 1.4 (0.71) | 0.051 |
| HW Condition | −0.04 (0.85) | 0.967 | |
| Stage | −0.1 (0.34) | 0.766 | |
| HW Condition × Stage | 0.21 (0.42) | 0.618 | |
| Taste Rating | −0.5 (0.29) | 0.085 | |
| Health Rating | 0.55 (0.22) | 0.012 | |
| HW Condition × Health Rating | 0.09 (0.24) | 0.728 | |
| Stage × Health Rating | −0.4 (0.28) | 0.161 | |
| HW Condition × Taste Rating | 0.6 (0.35) | 0.089 | |
| Stage × Taste Rating | 0.12 (0.4) | 0.756 | |
| Health Rating × Taste Rating | −0.32 (0.24) | 0.173 | |
| HW Condition × Stage × Health Rating | 0.1 (0.35) | 0.781 | |
| HW Condition × Stage × Taste Rating | −0.02 (0.49) | 0.962 | |
| HW Condition × Health Rating × Taste Rating | 0.41 (0.29) | 0.149 | |
| Stage × Health Rating × Taste Rating | 0.49 (0.33) | 0.13 | |
| HW Condition × Stage × Health Rating × Taste Rating | −0.38 (0.4) | 0.338 | |
| P3 | Intercept | 4.13 (0.66) | <0.001 |
| HW Condition | 1.49 (0.8) | 0.067 | |
| Stage | −0.48 (0.42) | 0.246 | |
| HW Condition × Stage | 0.8 (0.52) | 0.119 | |
| Taste Rating | −1.49 (0.37) | <0.001 | |
| Health Rating | 0.48 (2.62) | 0.069 | |
| HW Condition × Health Rating | 0.16 (0.31) | 0.615 | |
| Stage × Health Rating | −0.01 (0.36) | 0.986 | |
| HW Condition × Taste Rating | 1.8 (0.45) | <0.001 | |
| Stage × Taste Rating | 1.72 (0.51) | <0.001 | |
| Health Rating × Taste Rating | 0.39 (0.3) | 0.199 | |
| HW Condition × Stage × Health Rating | −0.47 (0.44) | 0.293 | |
| HW Condition × Stage × Taste Rating | −1.7 (0.62) | 0.006 | |
| HW Condition × Health Rating × Taste Rating | −0.55 (0.36) | 0.135 | |
| Stage × Health Rating × Taste Rating | −0.24 (0.41) | 0.568 | |
| HW Condition × Stage × Health Rating × Taste Rating | 0.31 (0.51) | 0.547 | |
| LPP | Intercept | 3.51 (0.65) | <0.001 |
| HW Condition | 0.74 (0.79) | 0.352 | |
| Stage | −0.45 (0.45) | 0.323 | |
| HW Condition × Stage | 0.41 (0.56) | 0.464 | |
| Taste Rating | −1.15 (0.4) | 0.003 | |
| Health Rating | 0.09 (0.28) | 0.752 | |
| HW Condition × Health Rating | 0.55 (0.34) | 0.1 | |
| Stage × Health Rating | 0.32 (0.39) | 0.406 | |
| HW Condition × Taste Rating | 1.66 (0.48) | <0.001 | |
| Stage × Taste Rating | 1.39 (0.54) | 0.011 | |
| Health Rating × Taste Rating | 0.12 (0.32) | 0.714 | |
| HW Condition × Stage × Health Rating | −0.82 (0.48) | 0.086 | |
| HW Condition × Stage × Taste Rating | −1.44 (0.67) | 0.03 | |
| HW Condition × Health Rating × Taste Rating | −0.21 (0.39) | 0.6 | |
| Stage × Health Rating × Taste Rating | −0.1 (0.45) | 0.826 | |
| HW Condition × Stage × Health Rating × Taste Rating | 0.04 (0.54) | 0.937 |
Coding: HW Group (Control = 0, Test = 1), Stage (Unprimed = 0, Primed = 1).
HW = Health Warning. Significant predictor variables highlighted in bold.