Strengths and limitations
Using the CFIR helped to shed light on important aspects throughout the data collection, analysis, and interpretation of the results and enhance the transferability of our findings. In addition, the approximately even distribution between participating mothers and fathers is a strength of this study. Moreover, using purposeful sampling with maximum variation of the specific characteristics of the parents, the transferability of the findings may be further increased. However, even though schools were recruited from socioeconomically disadvantaged areas, the sample was skewed towards higher educated parents thus limiting transferability of results to families of lower SEP [