Screening and recruitment
The LockUwell survey was an open French e-survey. Recruitment took place by sending the survey link through various online announcements on social networks (Facebook, Twitter and LinkedIn, the authors’ individual and institutional accounts) and national newspaper websites. It directed those interested in participating to this survey, created with open source software (LimeSurvey). We obtained a convenience sample through voluntary participation, without any incentives or rewards. The survey was open throughout the first nationwide lockdown period. The analysis presented here studies data collected from March 25 to April 7 (week 2 and week 3 of this first national lockdown in France). We used cookies to ensure we collected only one set of answers per participant.
The LockUwell survey targeted all French-speakers. This analysis includes pregnant and non-pregnant women aged between 18 and 45 years. We thus excluded all men, women older or younger than the selected age group, as well as women locked down outside France and those who did not know their pregnancy status. The completion rate was defined by the ratio of users who finished the survey divided by the number who agreed to participate.