Great comments, we have elaborated more on income, lines 419-428, 503-506, 533-537 and 550-555. We have also included a detailed section about the significance of school lunches and education in Sweden across different SES groups lines 528-532. In Sweden the school lunch is of rather high diet quality, reaching many of the national dietary recommendations and is provided free of charge regardless of income or SES. However, it would be insightful to a complete a deeper analysis investigating the differences of school quality across differing socio-demographic areas. Nonetheless, the problem related to diet quality may lie in the food provided at home as financial constraints are most likely to be of more significance, lines 528-534.
The important issue is in the method section the reader needs understand the dimensions and sub-dimension that make up within each survey.