Table 1.

Summary of key questions used as interview guide.

Key questions
(1) Could you please describe for me what has/have been your main source(s) of information about eating practices and food issues during
pregnancy?
Prompts
(i) Appropriate weight gain or weight maintenance; food safety/listeria; sources of particular nutrients (e.g., iron, folate, omega-3 fatty
acids, and iodine)
Are there other sources of information that your friends have used during their pregnancies?
(2) Are you satisfied with information provided by your healthcare providers?
(3) Can you tell me about this information and how useful was it? (for each source of information, mainly: healthcare providers, media,
and social network)
Prompts
(i) Were there aspects of the information that helped you to make changes to your eating practices? What was helpful/not helpful?
How do you think it could be improved?
(4) Among all these information sources you have quoted, what was the main trusted source for nutrition information for you?
(5) Do you evaluate the information you have accessed? How?
(6) In your opinion, what is/are the barrier(s) that can prevent women from translating their knowledge into eating practice?
(7) In your opinion, what kind of nutrition information service/support would help pregnant women to improve their eating practice
during pregnancy? How would you like that service/support to be provided?
Prompts
(i) Who would be the best people to provide this information/support?
(ii) What are the best ways to provide this information/support? In person? Leaflets? Internet? SMS messages?
(8) Can you please describe particular topics of nutrition information that you think would be useful for pregnant women? What about
particular times during the pregnancy when information would be particularly useful?
(9) Is there anything else you would like to add?

Note. The key questions exclude questions used to collect demographic data.