Comparison of Paper Diaries, Text Messages and Smartphone App to Track Bleeding and Other Symptoms for Contraceptive Studies.
Tatiana JosephySajal SananErin ThayerEmily Maria GodfreyPublished in: Maternal and child health journal (2022)
Our findings suggest texts demonstrated more complete and timely bleeding data than either paper diaries, or the app. Compared to paper diaries, the app delivered more complete, timely data, and also collected a large set of symptoms.