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Table 5 Variation in participant feedback across food-related practices and perceptions, univariate analysis

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

Messages Likeability Ease of understanding Convincingness Likelihood of complying
(1 totally disagree/very improbable – 7 totally agree/ very probable), Mean (SE)
Current food practices
 I do not usually think much about my food choices 4.97 (0.02) Ref 4.90 (0.03) Ref 4.95 (0.02) Ref 3.89 (0.03) Ref
 I sometimes think about how to improve my food choices 5.41 (0.01) * 5.69 (0.02) * 5.25 (0.01) * 4.62 (0.02) *
 I’m currently making changes towards healthier food choices and I am well informed about nutrition guidelines 5.69 (0.02) * 6.00 (0.02) * 5.57 90.02) * 5.09 (0.02) *
 I actively make decisions to improve my food choices and I am always looking for more guidance 5.88 (0.02) * 5.97 (0.03) * 5.70 (0.03) * 5.31 (0.03) *
Opinions about making healthier food choices
 Frankly, have a healthier diet doesn’t matter to me 4.94 (0.03) Ref 4.80 (0.04) Ref 4.91 (0.04) Ref 3.92 (0.04) Ref
 I am open to achieving this goal, as long as it is practical and easy to follow 5.03 (0.01) * 5.51 (0.02) * 5.22 (0.02) * 4.51 (0.02) *
 I am open to achieving this goal, as long as it does not require much time or money 5.52 (0.01) * 5.87 (0.02) * 5.37 (0.02) * 4.79 (0.02) *
 I would definitely like to improve my food choices by all means necessary 5.82 (0.02) * 5.91 (0.02) * 5.64 (0.02) * 5.15 (0.03) *
  1. *Significantly different, p-value < 0.05
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