Table 1 Performance objectives, represented by each phase of the self-regulation process

Motivational phase

After exposure to the intervention…

 PO 1: Individuals from the target group decide to eat more fruit, more vegetables, or fewer high-energy snacks, or to engage in more PA.

 PO 2: Individuals set a specific, relevant, appropriate and feasible goal to eat more fruit, more vegetable, or fewer high-energy snacks, or to engage in more PA.

Volitional phase

After exposure to the intervention…

 PO 3: Individuals think of strategies that may help them eat more fruit, more vegetables, or fewer high-energy snacks, or to engage in more PA.

 PO 4: Individuals make a plan specifying when, where and how to eat more fruit, more vegetables, or fewer high-energy snacks, or to engage in more PA.

 PO 5: Individuals eat more fruit, more vegetables, or fewer high-energy snacks, or engage in more PA.

 PO 6: Individuals evaluate if they managed to eat more fruit, more vegetables, or fewer high-energy snacks, or engage in more PA.

 PO 7: If the goals have not been reached, individuals adjust their goal.