4 years ago

Web-based questionnaires to assess perinatal outcome proved to be valid

The objective of this study was to validate a Web-based questionnaire completed by the mother to assess perinatal outcome used in a prospective cohort study. Study Design and Setting For 882 women with an estimated date of delivery between February 2012 and February 2015 who participated in the PRegnancy and Infant DEvelopment (PRIDE) Study, we compared data on pregnancy outcome, including mode of delivery, plurality, gestational age, birth weight and length, head circumference, birth defects, and infant sex, from Web-based questionnaires administered to the mothers 2 months after delivery with data from obstetric records. For continuous variables, we calculated intraclass correlation coefficients (ICCs) with 95% confidence intervals (CIs), whereas sensitivity and specificity were determined for categorical variables. Results We observed only very small differences between the two methods of data collection for gestational age (ICC, 0.91; 95% CI, 0.90–0.92), birth weight (ICC, 0.96; 95% CI, 0.95–0.96), birth length (ICC, 0.90; 95% CI, 0.87–0.92), and head circumference (ICC, 0.88; 95% CI, 0.80–0.93). Agreement between the Web-based questionnaire and obstetric records was high as well, with sensitivity ranging between 0.86 (termination of pregnancy) and 1.00 (four outcomes) and specificity between 0.96 (term birth) and 1.00 (nine outcomes). Conclusion Our study provides evidence that Web-based questionnaires could be considered as a valid complementary or alternative method of data collection.

Publisher URL: www.sciencedirect.com/science

DOI: S0895435616306527

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