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JAMIA Open. 2019 Oct 11;2(4):489-497. doi: 10.1093/jamiaopen/ooz049. eCollection 2019 Dec.

Engaging users in the design of an mHealth, text message-based intervention to increase physical activity at a safety-net health care system.

Author information

1
School of Social Welfare, University of California, Berkeley, Berkeley, California, USA.
2
Department of Psychiatry, Zuckerberg San Francisco General Hospital, University of California, San Francisco, San Francisco, California, USA.
3
Division of General Internal Medicine, Department of Medicine, University of California, San Francisco, San Francisco, California, USA.
4
UCSF Center for Vulnerable Populations, Zuckerberg San Francisco General Hospital, San Francisco, California, USA.

Abstract

Objectives:

Text-messaging interventions are a promising approach to increasing physical activity in vulnerable populations. To better inform the development of a text-messaging intervention, we sought to identify barriers and facilitators to using text messaging and engaging in physical activity among patients with diabetes and comorbid depression.

Materials and Methods:

We conducted interviews with primary care patients at a safety-net health care system (N =26). Data were collected at 3 stages, including a focus group (stage 1), and individual interviews (stage 2 and 3). Patients in stage 1 and 2 previously participated in a text-messaging intervention as part of depression treatment. Discussions focused on participant experience of previously using a text-messaging intervention, influences and perceptions of physical activity, and mobile phone use. We analyzed all transcripts for emerging themes.

Results:

Participants were 56.2 years (±9.7); 69.2% were female, 65.4% identified as Hispanic/Latino(a), and 46.2% reported having less than a high school education. All had depression and 61.5% had diabetes. Specific barriers that emerged included low literacy and only basic use of mobile phones in everyday life, in combination with a high prevalence of comorbid health conditions and limited mobility. These were each addressed with a specific content or intervention delivery change in the overall intervention design.

Conclusions:

Conducting a focus group and individual interviews with end users of an mHealth intervention under development has implications for tailoring and modifying components of the content and format to ensure that the final intervention will engage end users most effectively.

KEYWORDS:

depression; diabetes; mobile health; physical activity; text messaging

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