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Developing and Pretesting a Text Messaging Program for Health Behavior Change: Recommended Steps

Developing and Pretesting a Text Messaging Program for Health Behavior Change: Recommended Steps

The timing of messages may be related to both the content of the messages (eg, what the messages ask the user to do), the daily routine of the user (eg, when the user is free to consider the text message), and the nature of the behavior change (eg, what time

Lorien C Abroms, Robyn Whittaker, Caroline Free, Judith Mendel Van Alstyne, Jennifer M Schindler-Ruwisch

JMIR Mhealth Uhealth 2015;3(4):e107


Young People’s Views and Experiences of a Mobile Phone Texting Intervention to Promote Safer Sex Behavior

Young People’s Views and Experiences of a Mobile Phone Texting Intervention to Promote Safer Sex Behavior

All received usual care in accordance with standards set by the British Association of Sexual Health and HIV (including treatment and support with partner notification if appropriate), and they were free to seek any other support.

Rebecca Sophia French, Ona McCarthy, Paula Baraitser, Kaye Wellings, Julia V Bailey, Caroline Free

JMIR Mhealth Uhealth 2016;4(2):e26


An Intervention Delivered by App Instant Messaging to Increase Acceptability and Use of Effective Contraception Among Young Women in Bolivia: Protocol of a Randomized Controlled Trial

An Intervention Delivered by App Instant Messaging to Increase Acceptability and Use of Effective Contraception Among Young Women in Bolivia: Protocol of a Randomized Controlled Trial

reassurance that the information they provide is confidential, and a final message stating that their participation is helping to determine the best ways to provide reproductive health services in Bolivia.All participants will receive usual care and will be free

Ona L McCarthy, Veronica Osorio Calderon, Shelly Makleff, Silvia Huaynoca, Baptiste Leurent, Phil Edwards, Jhonny Lopez Gallardo, Caroline Free

JMIR Res Protoc 2017;6(12):e252


The Sexunzipped Trial: Optimizing the Design of Online Randomized Controlled Trials

The Sexunzipped Trial: Optimizing the Design of Online Randomized Controlled Trials

In total, 66 participants (3.29%, 66/2006) gave discrepant dates of birth at baseline and 3 months later, and one person wrote nonsense (unintelligible content) in many of the free-text boxes.

Julia V Bailey, Menelaos Pavlou, Andrew Copas, Ona McCarthy, Ken Carswell, Greta Rait, Graham Hart, Irwin Nazareth, Caroline Free, Rebecca French, Elizabeth Murray

J Med Internet Res 2013;15(12):e278