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Table 5 BMI differences between consumers and non-consumers of the top 5 herbal ingredients consumed for “body weight” reasonsa

From: Usage of Plant Food Supplements (PFS) for weight control in six European countries: results from the PlantLIBRA PFS Consumer Survey 2011-2012

   BMI  
   <25 kg/m2 ≥25 kg/m2  
Top 5 herbal ingredients consumed for “body weight” Consumption group n % n % Chi2
       p-value*
a) When using only the subsample 1b (n = 240)
Cynara scolymus (artichoke) Consumers 24 33.3 48 66.7 0.168
  Non-consumers 72 42.9 96 57.1  
Foeniculum vulgare ssp. (fennel) Consumers 15 40.5 22 59.5 0.942
  Non-consumers 81 39.9 122 60.1  
Camellia sinensis (green tea) Consumers 17 50 17 50 0.199
  Non-consumers 79 38.3 127 61.7  
Vitis vinifera (grapevine) Consumers 6 26.1 17 73.9 0.152
  Non-consumers 90 41.5 127 58.5  
Ananas comosus (pineapple) Consumers 10 47.6 11 52.4 0.456
  Non-consumers 86 39.3 133 60.7  
b) When using the entire sample of consumers (n = 2359)
Cynara scolymus (artichoke) Consumers 72 41.6 101 58.4 0.019
  Non-consumers 1113 50.9 1073 49.1  
Foeniculum vulgare ssp. (fennel) Consumers 71 53.8 61 46.2 0.401
  Non-consumers 1114 50 1113 50  
Camellia sinensis (green tea) Consumers 32 36.7 55 63.2 0.043
  Non-consumers 1142 50.3 1130 49.7  
Vitis vinifera (grapevine) Consumers 43 49.4 44 50.6 0.878
  Non-consumers 1142 50.3 1130 49.7  
Ananas comosus (pineapple) Consumers 21 60 14 40 0.244
  Non-consumers 1164 50.1 1160 49.9  
  1. aDifferences are analysed when using a) subsample 1 (respondents of “body weight”) and b) the entire survey sample; bSubsample 1: respondents of “body weight”; *p < 0.05 for significance