Table 2 Primary and secondary outcomes of studies applying short-term non-interactive interventions classified as nutrition education and promotion alone
From: Nutrition interventions at point-of-sale to encourage healthier food purchasing: a systematic review
References | Primary outcomes | Secondary outcomes |
|---|---|---|
Achabal (moderate)1[28] | No impact on sales data for any of the six products. | Perceived quality image of the produce department was improved. |
Booth (weak) [28] | Compared to baseline there was an increase in self-reported purchase of the healthier milk option. | Compared to baseline there was an increase in intention, attitude and beliefs in the intervention group. |
Jeffery (strong) [19] | Trends in sales data were likely to be unrelated to the intervention. | Knowledge increased in both intervention and control stores. |