Using Web-Based Questionnaires to Assess Medication Use During Pregnancy: A Validation Study in 2 Prospectively Enrolled Cohorts.

In conclusion, underreporting in Web-based questionnaires is limited for many medication groups. In prospective studies, underreporting of medications for short-term use may be reduced by decreasing the interval between consecutive questionnaires. PMID: 29401360 [PubMed - in process]

https://www.ncbi.nlm.nih.gov/pubmed/29401360?dopt=Abstract

Source: Am J Epidemiol - February 1, 2018 Category: Epidemiology Authors: van Gelder MMHJ, Vorstenbosch S, Te Winkel B, van Puijenbroek EP, Roeleveld N Tags: Am J Epidemiol Source Type: research