Table 1

Timing of study measures

Study periodScreeningBaselineTelephone/email contact-1Follow-up-1Follow-up-2Follow-up-3
Visit numberVisit 0Visit 1Visit 2Visit 3Visit 4
Week28 weeks gestation
–3 weeks
1 day–3 weeks4 weeks6–12 weeks6–9 months (26–39 weeks)12–24 months (52–104 weeks)
Informed consentX
DemographicX
Family history/home environmentX
Skin assessmentXXX
RandomisationX
Study cream dispensingXX
Participant surveyXXXX
Adverse event checkXXXX
Diary cardXXXXX
Compliance checkXXXX
Skin prick testX
Food challengeX
Optional procedures
Skin tape strippingXXX
Heel prick testXXX
Breast milk sampleX
Buccal swabX