Mobile Health App to Reduce Diabetes in Latina Women

Study Overview
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Brief Summary
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The proposed project sought to develop a culturally- and individually-tailored, plain-language Spanish/English mobile phone intervention for Latinas with prior gestational diabetes (GDM). The intervention is based on earlier in-person to online modification of the CDC-funded Diabetes Prevention Program (DPP), for women with prior GDM led by co-investigator Dr. Ellen Seely of Brigham and Women's Hospital.

Detailed Description
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The specific aims of the study were as follows: Primary Aim 1: Develop a culturally-tailored mobile phone intervention for Latinas with prior GDM based on Brigham & Women's Hospital online DPP. Primary Aim 2: Conduct a pilot trial of the intervention. Primary Aim 3:Evaluate implementation feasibility.

Official Title
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Mobile Health App to Reduce Diabetes in Latina Women With Prior Gestational Diabetes

Conditions
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Gestational Diabetes

Intervention / Treatment
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* Behavioral: Mobile health app called Hola Bebe


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Latina women ages 19-45 with prior gestational diabetes by Carpenter and Coustan criteria within the past 5 year validated by medical record review own an Android or iOS smartphone. Exclusion Criteria: Diagnosis of pre-pregnancy diabetes(type 1,2, or secondary diabetes) underlying disease that might interfere with participation in study (e.g.,significant gastrointestinal conditions) taking certain medications (e.g., glucocorticoids) pregnancy/undergoing infertility treatment.

Ages Eligible for Study
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Minimum Age: 19 Years
Maximum Age: 45 Years

Sexes Eligible for Study
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Female

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Prevention
Intervention Model: Single Group Assignment
Masking: None (Open Label)


Arms and Interventions

| Intervention/Treatment |
| --- |
|Behavioral: Mobile health app called Hola Bebe|For the pilot, all participants received a mobile app that contained 6 interactive audio/written modules in Spanish and English on the following topics: healthy eating; physical activity; portion control; eating healthy while eating out; eating out in Chinese, Italian, Mexican restaurants; and eating out in fast food restaurants. As noted above, the mobile app was customizable to include personalized activity reminders/notifications, and tailored action plans, along with videos for easy at-home exercises and user-friendly, easy-to-follow recipes.|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Sallis Self Efficacy for Healthy Eating Scale | 20 item survey that asks respondents to rate, on a 5-point scale, their confident motivating themselves to eat healthy on a regular basis for at least six months. | eight weeks | 
| Sallis Self Efficacy for Physical Activity Scale | 12 item survey that asks respondents to rate, on a 5-point scale, their confidence at motivating themselves to exercise on a regular basis for at least six months. | eight weeks | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Body weight | Body weight | eight weeks |