Table I.

Overview of the interview guide

Block number	Purpose/content	Example questions
1	Obtaining background information	What is your family situation? What changes have you made to your diet since you became pregnant? What has been the most difficult moment during your pregnancy so far?
2	Understanding the perspectives of low SES pregnant women of food and eating during pregnancy	I would like you to brainstorm about the topic “food and eating during pregnancy”. What topics come to mind? Can you give an example of this [answer given by pregnant women during brainstorm]?
3	Identifying opportunities for empowerment towards a healthy dietary intake amongst pregnant women	For which of these product groups do you think you are following the dietary guidelines? For which of these product groups do you think you might eat more healthy? What would help you to eat more healthy when it comes to this specific product group?
4	Reflecting on the interview and identifying lessons learned	Looking back at this interview, have you learned anything new? Looking back at this interview, what would you recommend other pregnant women to eat more healthy during pregnancy?