Setting and participants
MAY
The participants of this study consisted of parents in the intervention group of the HSSP trial, conducted from November 2017 to May 2018. The interviews were conducted after the end of the intervention in June 2018. The HSSP is a parental support programme with the overall aim to promote healthy physical activity and dietary behaviours, prevent unhealthy weight development in pre-school class children (5-7-year-olds), with a special focus on behaviours in the home setting. A detailed description of HSSP, which builds on Social Cognitive Theory can be found in the study protocol [To identify the sample for this study a purposeful sampling strategy with maximum variation was used. With the aim to enhance transferability and to select information-rich cases, an effort was made to achieve maximum variation [