Analysis of non-respondent pregnant women who were registered in the Japan Environment and Children’s Study: a longitudinal cohort study
ObjectivesNon-response to questionnaires in a longitudinal study reduces the effective sample size and introduces bias. We identified the characteristics of non-respondent pregnant women, and compared them with respondents in the Japan Environment and Children’s Study (JECS) during the gestational p...
Main Authors: | , , , , , , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMJ Publishing Group
2019-06-01
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Series: | BMJ Open |
Online Access: | https://bmjopen.bmj.com/content/9/6/e025562.full |