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Table 4 Participant feedback on the messages, multivariate 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)
Beta Score Beta Score Beta Score Beta Score
NOVA classification Ref 5.28 (0.03) Ref 5.30 (0.04) Ref 5.32 (0.03) Ref 4.58 (0.05)
Planning 0.22* 5.51 (0.06) 0.59* 5.89 (0.07) 0.26* 5.58 (0.07) 0.60* 5.18 (0.08)
Shopping 0.84* 6.12 (0.12) 0.64* 5.94 (0.14) −0.03 5.29 (0.13) −0.27 4.31 (0.15)
Cooking 0.39* 5.68 (0.03) 0.74* 6.04 (0.04) 0.29* 5.62 (0.04) 0.13 4.72 (0.05)
Eating 0.03 5.32 (0.02) 0.30* 5.61 (0.03) −0.17* 5.15 (0.03) 0.14* 4.73 (0.04)
Goals not used Ref 5.53 (0.02) Ref 5.49 (0.02) Ref 5.26 (0.02) Ref 4.85 (0.07)
Goals used 0.18* 5.56 (0.02) 0.34* 5.84 (0.02) 0.14* 5.41 (0.02) −0.27* 4.58 (0.06)
Skills not used Ref 5.42 (0.02) Ref 5.67 (0.03) Ref 5.36 (0.02) Ref 4.84 (0.05)
Skills used 0.13* 5.55 (0.03) −0.01 5.66 (0.04) −0.04 5.31 (0.04) −0.33* 4.52 (0.06)
Solution not used Ref 5.56 (0.02) Ref 5.68 (0.02) Ref 5.36 (0.02) Ref 4.64 (0.03)
Solution used −0.21* 5.35 (0.02) −0.04 5.65 (0.03) −0.04 5.32 (0.03) 0.12* 4.76 (0.03)
Substitution not used Ref 5.53 (0.01) Ref 5.69 (0.02) Ref 5.38 (0.02) Ref 4.57 (0.03)
Substitution used −0.15* 5.37 (0.02) −0.05 5.64 (0.03) −0.11* 5.28 (0.03) 0.28* 4.86 (0.03)
Health consequences not used Ref 5.46 (0.01) Ref 5.67 (0.01) Ref 5.32 (0.01) Ref 4.62 (0.02)
Health consequences used 0.02 5.48 (0.03) 0.01 5.68 (0.03) 0.16* 5.48 (0.03) 0.38* 5.01 (0.05)
Cost consequences not used Ref 5.48 (0.01) Ref 5.68 (0.02) Ref 5.32 (0.01) Ref 4.65 (0.02)
Cost consequences used −0.09* 5.38 (0.03) −0.08 5.60 (0.05) 0.10 5.42 (0.04) 0.26* 4.91 (0.05)
Environmental consequences not used Ref 5.50 (0.01) Ref 5.68 (0.02) Ref 5.33 (0.02) Ref 4.67 (0.01)
Environmental consequences used −0.35* 5.14 (0.12) −0.17 5.50 (0.13) 0.10 5.44 (0.11) 0.28 4.96 (0.13)
Social identity not used Ref 5.46 (0.01) Ref 5.66 (0.01) Ref 5.34 (0.01) Ref 4.69 (0.01)
Social identity used 0.30* 5.76 (0.08) 0.23* 5.89 (0.11) 0.01 5.36 (0.09) 0.19 4.89 (0.11)
Pleasure not used Ref 5.46 (0.01) Ref 5.67 (0.01) Ref 5.33 (0.01) Ref 4.65 (0.01)
Pleasure used 0.03 5.50 (0.05) 0.00 5.67 (0.06) 0.11 5.44 (0.05) 0.63* 5.29 (0.06)
  1. *Significantly different, p-value < 0.05