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Table 3 Determinants of consumption of leek, salsify and vegetables in general in final model

From: Determinants of prebiotic vegetable consumption: the extended theory of planned behaviour

 Vegetables in general (V)Leek (L)Salsify (S)
ß∆ R2ß∆ R2ß∆ R2
Predictors
Step 1 .08*** .04*** .02***
  Age (V, L).09** .05  
  Gender (V, S).07**  −.07** 
  Being vegan (L) .06*  
  Being vegetarian (L) .02  
  Diploma (L) −.03  
  Subject. income (S)  .02 
  Province (Liege) (L) .00  
Step 2 .15*** .15*** .17***
  Perceived control.29*** .11* −.04 
  Intention.12*** .25*** .13*** 
Step 3 .04*** .10*** .23***
  Habits.24*** .35*** .56*** 
Step 4 .01* .01** .004*
  Price−.03 .04 .10** 
  Actual control.06* .02 −.01 
  Availability−.05 .10** −.06 
  1. Note. *p < .05, **p < .01, ***p < .001, Leek: N = 1267, Salsify: N = 1133, Vegetables: N = 1270, V vegetables in general, L leek, S salsify