2.2. Intervention
The study protocol was based on the recommendations of Bellg et al. [An individual’s goal was to lose, on average, 500 g of body weight per week over a period of 12 weeks, as planned by the body weight planner [The intention of the intervention period was to empower the women to establish healthy eating habits, and thus, the learning goals “understand” and “apply” were strictly followed in all training sessions performed by nutritionists. The learning goals of the first training session were to understand the study design and to transfer the study information into practice; the individual diet plans were explained, and questions were answered. The women were empowered to apply the advice they received in their daily life via simple implementation tips and open discussion. Under active participation, women were trained in how to keep a food diary and food checklists by using a flipchart. The learning goal of the second training day focused on understanding a generally healthy diet; details have been described previously [