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Table 1 Comparison of responses to questions relating to behaviors and knowledge between the pre- and post-test

From: Promoting public health through nutrition labeling - a study in Brazil

Questions Post-test Pre-test Post-test Pre-test p
Do you purchase packaged foods? Yes (%) No (%) Yes (%) No (%) 0.072
Do you often read the nutrition information before purchase? 690 (98.3) 12 (1.7) 690 (98.3) 12 (1.7) <0.001
Does the nutrition information help you choose healthier foods? 391 (55.9) 309 (44.1) 391 (55.9) 309 (44.1) 1.000
Should the nutrition information be used in supermarkets and other commercial food establishments as a nutrition education strategy? 698 (99.7) 2 (0.3) 698 (99.7) 2 (0.3) 1.000
Did the education material promote the use and understanding of nutrition information? 694 (99.1) 6 (0.9) 688 (98.8) 8 (1.2) 0.796
Does the nutrition traffic light with the maximum and minimum values for recommended consumption of sugar, fats, sodium, and fiber promote the use and understanding of nutrition information? 695 (99.1) 6 (0.9) 687 (98.6) 10 (1.4) 0.424
  1. Analyses were conducted using the McNemar test