Linear regression models for perceptions of packaging and weight-related beliefs
| Appeal index | Taste index | Tar index | Health index | Smoker trait index | Slim | Appetite | Weight gain | |
| Experimental condition | ||||||||
| Standard vs no descriptors | −0.58 (−1.04 to −0.11) | 0.54 (−0.94 to −0.13) | 0.18 (−0.14 to 0.50) | 0.31 (0.03 to 0.59) | −1.54 (−4.0 to 0.87) | 0.21 (−0.06 to 0.47) | −0.12 (−0.4 to 0.16) | −0.09 (−0.35 to 0.17) |
| Standard vs plain | −2.29 (−2.76 to −1.82) | −1.32 (−1.73 to −0.91) | −0.09 (−0.41 to 0.23) | 0.02 (−0.26 to 0.31) | −4.9 (−7.3 to −2.44) | −0.1 (−0.37 to 0.17) | −0.32 (−0.6 to −0.04) | −0.19 (−0.45 to 0.07) |
| Standard vs male | −1.78 (−2.24 to −1.32) | −0.43 (−0.84 to −0.02) | −0.26 (−0.58 to 0.06) | −0.05 (−0.33 to 0.23) | −5.68 (−8.1 to −3.27) | 0.13 (−0.14 to 0.4) | 0.07 (−0.21 to 0.35) | 0.04 (−0.22 to 0.29) |
| Male vs plain | −0.51 (−0.99 to −0.03) | −0.9 (−1.32 to −0.47) | 0.17 (−0.16 to 0.51) | 0.07 (−0.22 to 0.37) | 0.81 (−1.69 to 3.31) | −0.23 (−0.51 to 0.05) | −0.39 (−0.68 to −0.1) | −0.22 (−0.49 to 0.04) |
| Male vs no descriptors | −1.20 (−1.68 to −0.72) | 0.11 (−0.31 to 0.53) | −0.44 (−0.77 to −0.11) | −0.36 (−0.65 to −0.07) | −4.15 (−6.63 to −1.66) | −0.08 (−0.35 to 0.20) | 0.19 (−0.1 to 0.48) | 0.13 (−0.14 to 0.39) |
| No descriptors vs plain | −1.71 (−2.2 to −1.23) | −0.79 (−1.21 to −0.37) | −0.27 (−0.6 to 0.06) | −0.29 (−0.58 to 0.01) | −3.33 (−5.82 to −0.84) | −0.31 (−0.58 to −0.03) | −0.2 (−0.49 to 0.09) | −0.1 (−0.36 to 0.17) |
| Age | −0.05 (−0.13 to 0.03) | −0.05 (−0.12 to 0.03) | −0.03 (−0.09 to 0.02) | −0.02 (−0.07 to 0.03) | −0.6 (−1.02 to −0.17) | −0.02 (−0.07 to 0.03) | −0.01 (−0.06 to 0.04) | 0.003 (−0.04 to 0.05) |
| Education | ||||||||
| Low vs medium | −0.06 (−0.58 to 0.45) | −0.47 (−0.92 to −0.02) | −0.42 (−0.78 to −0.07) | −0.36 (−0.67 to −0.04) | 0.02 (−2.47 to 2.86) | −0.15 (−0.44 to 0.15) | −0.17 (−0.48 to 0.14) | −0.003 (−0.29 to 0.28) |
| Low vs high | 0.16 (−0.26 to 0.57) | −0.07 (−0.44 to 0.29) | −0.12 (−0.4 to 0.17) | −0.02 (−0.27 to 0.23) | 2.29 (0.13 to 4.44) | 0.23 (−0.004 to 0.47) | 0.25 (−0.001 to 0.5) | 0.09 (−0.14 to 0.32) |
| Medium vs high | 0.22 (−0.23 to 0.67) | 0.39 (0.01 to 0.78) | 0.3 (−0.01 to 0.61) | 0.34 (0.07 to 0.61) | 2.09 (−0.21 to 4.4) | 0.38 (0.12 to 0.63) | 0.42 (0.15 to 0.69) | 0.09 (−0.16 to 0.34) |
| Ethnicity | −0.24 (−0.62 to 0.15) | −0.50 (−0.83 to −0.16) | −0.12 (−0.38 to 0.15) | −0.17 (−0.4 to 0.06) | −2.48 (−4.47 to −0.5) | −0.13 (−0.35 to 0.09) | 0.02 (−0.22 to 0.25) | 0.29 (0.08 to 0.5) |
| Income | ||||||||
| Low vs medium | 0.24 (−0.2 to 0.69) | 0.06 (−0.33 to 0.45) | 0.11 (−0.2 to 0.42) | 0.13 (−0.14 to 0.4) | 2.91 (0.61 to 5.21) | −0.13 (−0.38 to 0.13) | −0.06 (−0.33 to 0.21) | −0.01 (−0.25 to 0.24) |
| Low vs high | 0.45 (0.01 to 0.89) | 0.17 (−0.22 to 0.55) | 0.06 (−0.24 to 0.37) | −0.002 (−0.27 to 0.27) | 2.45 (0.16 to 4.73) | 0.19 (−0.06 to 0.44) | 0.18 (−0.09 to 0.45) | −0.17 (−0.08 to 0.41) |
| Low vs not stated | −0.31 (−0.92 to 0.31) | −0.62 (−1.15 to −0.08) | −0.55 (−0.97 to −0.13) | −0.33 (−0.71 to 0.04) | −1.2 (−4.41 to 2.0) | −0.45 (−0.8 to −0.1) | −0.27 (−0.64 to 0.1) | −0.32 (−0.67 to 0.03) |
| Medium vs high | 0.21 (−0.22 to 0.64) | 0.11 (−0.27 to 0.48) | −0.05 (−0.34 to 0.25) | −0.13 (−0.39 to 0.13) | −0.46 (−2.68 to 1.75) | 0.32* (0.07 to 0.56) | 0.24 (−0.02 to 0.5) | 0.17 (−0.06 to 0.41) |
| Medium vs not stated | 0.55 (−0.06 to 1.16) | 0.68 (0.14 to 1.21) | 0.66 (0.24 to 1.08) | 0.46 (0.09 to 0.83) | 4.11 (0.93 to 7.30) | −0.33 (−0.02 to 0.68) | 0.21 (−0.16 to 0.58) | −0.31 (−0.04 to 0.66) |
| High vs not stated | 0.76 (0.16 to 1.36) | 0.78 (0.26 to 1.31) | 0.61 (0.2 to 1.03) | 0.33 (−0.04 to 0.7) | 3.65 (0.50 to 6.80) | 0.64 (0.3 to 0.99) | 0.45 (0.09 to 0.82) | 0.48 (0.14 to 0.83) |
| Smoking Status | 0.56 (0.21 to 0.91) | 0.57 (0.27 to 0.88) | 0.35 (0.11 to 0.59) | 0.19 (−0.03 to 0.4) | 2.71 (0.89 to 4.52) | 0.58 (0.38 to 0.78) | 0.67 (0.46 to 0.88) | 0.44 (0.25 to 0.63) |
| Weight concerns | 0.08 (−0.09 to 0.26) | 0.1 (−0.05 to 0.26) | −0.01 (−0.12 to 0.12) | −0.03 (−0.14 to 0.08) | 0.64 (−0.28 to 1.56) | 0.11 (0.01 to 0.2) | 0.1 (0.02 to 0.22) | 0.13 (0.03 to 0.22) |
| Self-esteem | 0.01 (−0.24 to 0.26) | −0.05 (−0.27 to 0.16) | −0.07 (−0.24 to 0.1) | −0.08 (−0.23 to 0.07) | 0.4 (−0.88 to 1.67) | NA | NA | NA |
Unstandardised β values and 95% CIs are shown. Numbers in bold indicate p<0.05.
NA, not applicable.