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Table 3 Differences in mean discount level and minimum purchase amount between the healthiness categories

From: Healthy or Unhealthy on Sale? A cross-sectional study on the proportion of healthy and unhealthy foods promoted through flyer advertising by supermarkets in the Netherlands

  % Discount Minimum purchase
  Mean SD Mean SD
Preference 29.5 12.1 1.26 0.51
Occasional 23.7* 10.8 1.38 0.55
Rare 25.4** 10.5 1.50** 0.76
  1. Significant difference vs the preference group *P <0.01, **P = <0.001.