Randomized Trial: Effect of Text Messaging on Risk Factor Management in Patients with Coronary Heart Disease

Effect of Text Messaging on Risk Factor Management in Patients With Coronary Heart Disease: The CHAT Randomized Clinical Trial – Circulation: Cardiovascular Quality and Outcomes (free)

Editorial: The CHAT Trial:Time for a Heart to Heart Talk (free)

Very important negative study.

Related Commentary on Twitter

We're high on #DigitalHealth to modify health behaviors…but this one, w/China colleagues, failed (tho intervention well received). We're still searching for the who/what/how of text message Rx. Lots lessons. https://t.co/Uaql1J97bB @SpatzErica @YaleMed #QCOR2019 @YaleCardiology pic.twitter.com/fIuJT8Egn6

— Harlan Krumholz (@hmkyale) April 6, 2019