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Table 3 Participant feedback on the messages, univariate analysis

From: A quantitative test of the face validity of behavior-change messages based on the Brazilian Dietary Guidelines

Message themes and strategies Likeability Ease of understanding Convincingness Likelihood of complying
  (1 totally disagree/very improbable – 7 totally agree/ very probable), Mean (SE)
Overall 5.47 (0.01) 5.67 (0.01) 5.34 (0.01) 4.70 (0.01)
  Beta Score Beta Score Beta Score Beta Score
NOVA classification Ref 5.43 (0.01) Ref 5.42 (0.02) Ref 5.38 (0.01) Ref 4.54 (0.03)
Planning 0.18* 5.61 (0.03) 0.29* 5.71 (0.04) 0.16* 5.55 (0.03) 0.37* 4.91 (0.04)
Shopping 0.28* 5.71 (0.03) 0.21* 5.63 (0.04) 0.04 5.42 (0.04) −0.03 4.51 (0.04)
Cooking 0.14* 5.57 (0.01) 0.42* 5.84 (0.02) 0.09* 5.48 (0.02) 0.23* 4.78 (0.02)
Eating −0.08* 5.34 (0.01) 0.34* 5.76 (0.02) −0.22* 5.16 (0.01) 0.16* 4.71 (0.02)
Goals not used Ref 5.52 (0.01) Ref 5.64 (0.01) Ref 5.41 (0.02) Ref 4.77 (0.02)
Goals used −0.10* 5.42 (0.01) 0.06* 5.70 (0.01) −0.12* 5.29 (0.01) −0.13* 4.64 (0.01)
Skills not used Ref 5.41 (0.01) Ref 5.62 (0.02) Ref 5.29 (0.01) Ref 4.67 (0.02)
Skills used 0.15* 5.57 (0.02) 0.12* 5.75 (0.02) 0.15* 5.44 (0.02) 0.07* 4.74 (0.02)
Solution not used Ref 5.47 (0.01) Ref 5.60 (0.01) Ref 5.36 (0.01) Ref 4.70 (0.01)
Solution used −0.00 5.46 (0.01) 0.15* 5.76 (0.02) −0.03 5.32 (0.02) −0.00 4.70 (0.02)
Substitution not used Ref 5.51 (0.01) Ref 5.61 (0.15) Ref 5.41 (0.01) Ref 4.71 (0.02)
Substitution used −0.12* 5.39 (0.01) 0.14* 5.76 (0.02) −0.17* 5.24 (0.02) −0.02 4.69 (0.02)
Health consequences not used Ref 5.45 (0.01) Ref 5.66 (0.01) Ref 5.32 (0.01) Ref 4.68 (0.01)
Health consequences used 0.07* 5.53 (0.2) 0.03 5.70 (0.03) 0.12* 5.45 (0.03) 0.11* 4.79 (0.03)
Cost consequences not used Ref 5.44 (0.01) Ref 5.66 (0.01) Ref 5.31 (0.01) Ref 4.70 (0.01)
Cost consequences used 0.18* 5.62 (0.02) 0.03 5.69 (0.03) 0.21* 5.51 (0.02) −0.01 4.69 (0.03)
Environmental consequences not used Ref 5.45 (0.01) Ref 5.67 (0.01) Ref 5.33 (0.01) Ref 4.72 (0.01)
Environmental consequences used 0.21* 5.66 (0.03) − 0.04 5.62 (0.04) 0.11* 5.44 (0.03) −0.18* 4.54 (0.04)
Social identity not used Ref 5.37 (0.00) Ref 5.67 (0.01) Ref 5.34 (0.01) Ref 4.71 (0.01)
Social identity used 0.05 5.52 (0.05) −0.02 5.65 (0.07) 0.11 5.46 (0.06) −0.12 4.59 (0.07)
Pleasure not used Ref 5.46 (0.01) Ref 5.66 (0.01) Ref 5.33 (0.01) Ref 4.67 (0.01)
Pleasure used 0.09* 5.56 (0.03) 0.18* 5.84 (0.04) 0.09* 5.43 (0.04) 0.36* 5.04 (0.05)
  1. *Significantly different, p-value < 0.05