Table 3 Implications for public health policy and/or practice

• Focus on a proactive approach when time and resources allow: reinforcement of training, planning, and investments in materials

• Fund post-intervention research

• Include an adequate evaluation period in the planning of interventions

• Rely on theory when planning interventions and making evidence-based recommendations

• Promote comprehensive intervention description, especially regarding context, using validated checklists such as TIDieR and ASTAIRE