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Table 11 Primary and secondary outcomes of studies applying short-term non-interactive interventions through vending machines including enhanced availability of healthier food options plus nutrition education

From: Nutrition interventions at point-of-sale to encourage healthier food purchasing: a systematic review

References

Primary outcomes

Secondary outcomes

Fiske (strong)1[17]

There was no difference in the sales of healthier food options between intervention and control groups.

 

Kocken (strong) [20]

Higher sales of healthier food options were observed in the intervention groups compared to the control groups.

 
  1. 1Classification of the study regarding risk of bias between brackets.