Table 2.
Price and discount of foods advertised on supermarket circulars in Brazil in accordance with the NOVA classification system and the PAHO nutritional profile. 2018.
Nutrient | Price (R$/100 g) |
Discount |
Percentage of discount |
||||||
---|---|---|---|---|---|---|---|---|---|
Mean | SD | p-value | Frequency (%) | 95% CI | p-value | Mean | SD | p-value | |
NOVA classification | |||||||||
Fresh food and minimally processed food | 2.71 a | 7.11 | <0.001 * | 19.12 ab | 17.77–20.48 | <0.001 # | 15.60 a | 0.09 | <0.001 * |
Processed culinary ingredient | 2.41b | 3.09 | 27.68 acd | 24.08–31.28 | 13.45 abc | 0.06 | |||
Processed food | 3.27 abc | 3.27 | 15.96 bce | 14.14–17.79 | 16.52b | 0.09 | |||
Ultra-processed food | 2.75c | 3.81 | 18.83 de | 18.09–19.57 | 16.47c | 0.08 | |||
Excessive in sodium | |||||||||
Yes | 2.73 | 2.68 | 0.0247 £ | 18.84 | 17.84–19.84 | 0.3150 # | 16.56 | 8.04 | 0.6338 £ |
No | 2.88 | 4.38 | 18.14 | 17.21–19.07 | 16.39 | 8.61 | |||
Excessive in total fat | |||||||||
Yes | 3.06 | 3.73 | <0.0001 £ | 17.49 | 16.62–18.36 | 0.0010 # | 16.56 | 8.72 | 0.5763 £ |
No | 2.45 | 3.58 | 19.91 | 18.81–21.01 | 16.36 | 7.82 | |||
Excessive in saturated fat | |||||||||
Yes | 3.11 | 3.95 | <0.0001 £ | 16.82 | 15.88–17.75 | <0.0001 # | 16.54 | 9.11 | 0.7093 £ |
No | 2.52 | 3.36 | 20.08 | 19.09–21.07 | 16.41 | 7.66 | |||
Excessive in trans fat | |||||||||
Yes | 2.30 | 2.01 | <0.0001 £ | 16.64 | 15.68–17.61 | <0.0001 # | 16.64 | 8.66 | 0.4259 £ |
No | 3.24 | 4.60 | 20.01 | 19.05–20.96 | 16.36 | 8.11 | |||
Excessive in added sugar | |||||||||
Yes | 2.91 | 4.45 | 0.0019 £ | 17.58 | 16.63–18.53 | 0.001 # | 16.61 | 8.58 | 0.3945 £ |
No | 2.71 | 2.69 | 19.35 | 18.37–20.33 | 16.32 | 8.06 |
CI: confidence interval; SD: standard deviation
Note: Same letters in a column indicate statistically significant differences
One-way ANOVA with Bonferroni correction
Pearson Chi-square with Bonferroni correction
Student t-test