Initial eligibility was assessed by telephone, and final eligibility was confirmed by laboratory testing and in-person screening at the screening/baseline visit. Participants were recruited from May 2012 to March 2013 at primary care clinics and by posting study flyers in San Francisco and Berkeley, California. All participants provided written informed consent. This feasibility RCT with parallel groups was approved by the University of California, San Francisco, Committee on Human Research prior to participant enrollment. The primary purpose of the intervention was to assist those adults to achieve moderate weight reduction over the 5-month study period. 7 Thus, the aim of this RCT was to evaluate the feasibility and short-term efficacy of a diabetes prevention intervention enhanced with a mobile phone app among overweight English-speaking adults at risk for developing type 2 diabetes. Utilizing these communication technologies for the delivery of diabetes prevention interventions has the potential to reduce not only costs but also the time and transportation barriers of traditional programs, thereby reaching a larger segment of the target population.ĭespite the potential of smartphones and mobile apps and growing interest in their utilization among the public and researchers, relatively few randomized controlled clinical trials (RCTs) have been published that examine the efficacy of these technologies. These populations are also disproportionately impacted by obesity and type 2 diabetes. 5 Use of smartphones and mobile apps has grown exponentially, 6 particularly among middle and older age groups and racial/ethnic minorities. already own a mobile phone, and 58% own a smartphone. ![]() One way to reduce the costs of such programs is to utilize digital technology, such as smartphones and mobile apps, which are popular channels of communication worldwide. 1– 3 However, these labor-intensive programs have been expensive to implement and sustain over longer periods of time in clinical and community settings. Lifestyle modification programs that result in modest weight loss (5%–10%) by increasing physical activity and reducing caloric and fat intake have been shown to be effective in preventing or delaying the onset of type 2 diabetes. Given the worldwide epidemic of obesity and diabetes, prevention of these conditions is a public heath priority. Obesity is an independent and modifiable risk factor for developing type 2 diabetes.
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