Web-based Physical Activity Intervention for Latinas

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

210 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-06-01

Study Completion Date

2022-04-01

Brief Summary

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This renewal builds upon our successful culturally adapted PA intervention for Latinas (Pasos Hacia La Salud, R01CA159954) and expands its focus to the critical area of maintenance of behavior change. This study will test an enhanced version of the original internet intervention in order to achieve greater increases in PA and longer term maintenance. Investigators propose to test this newly developed enhanced intervention (Enhanced Intervention) compared to the original Pasos Hacia La Salud Intervention (Original Intervention) in a 24-month randomized trial (N=300).

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Detailed Description

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In the U.S., Latina women report higher rates of inactivity than their non-Hispanic White and male counterparts, and are disproportionately affected by related health conditions (e.g., cancer, hypertension, heart disease, stroke, diabetes). To address this public health crisis, evidence-based interventions that utilize state-of-the-art technology, theory and methods are needed to increase physical activity (PA) among this high-risk population. Recently, our team conducted a randomized controlled trial (N=205) to test the efficacy of a 6-month culturally adapted, individually tailored, Spanish-language Internet-based PA intervention among Latinas (Pasos Hacia La Salud, R01CA159954) vs. a Wellness Contact Control Internet Group. Increases in minutes/week of moderate-to-vigorous physical activity (MVPA) were significantly greater in the Intervention Group compared to the Control Group at 6 and 12 months (p \< .01) but still did not reach levels recommended in the national physical activity guidelines. As improvements in PA in the Intervention Group were significantly associated with website use and increases in self-efficacy, enjoyment, and social support in the parent study, we used these data to inform technology and theory-supported enhancements to the intervention (i.e., text messaging and adaptive goal setting to increase website use and further targeting of the previously mentioned key psychosocial constructs) to achieve even greater increases in PA, and maintain these gains over the long term (24 months) in the renewal of R01CA159954. For the proposed study, 300 Latina women will be randomized to either 1) the original Pasos Hacia La Salud tailored Internet-based PA intervention (Original Intervention) or 2) the data driven, enhanced version of the Pasos Hacia La Salud PA intervention (Enhanced Intervention). We hypothesize that participants in the Enhanced Intervention arm will report significantly more minutes/week of MVPA than participants in the Original Intervention arm at 6 months. We will also examine the maintenance of treatment effects at 12, 18, and 24 months, as well as the costs of delivering the Enhanced vs. Original Intervention programs, and the potential mediators of the intervention-PA relationship. The proposed high reach, low-cost intervention holds great promise in promoting and maintaining the positive health benefits of PA in the lives of Latina women in the United States.

Conditions

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Inactivity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Enhanced Physical Activity Intervention

A data driven enhanced Pasos Hacia La Salud intervention based on results and participant feedback from the motivationally-tailored, Spanish Language, Internet-based Physical Activity intervention in the parent study.

Group Type EXPERIMENTAL

Enhanced Physical Activity Intervention

Intervention Type BEHAVIORAL

Participants in the Enhanced Intervention arm will receive all the intervention components of the Original Intervention described above plus: 1) text messages and adaptive goal-setting to drive participants back to the website and keep them there longer, and 2) data-driven, technology supported enhanced intervention content targeting theoretical constructs that influenced PA behavior in Latinas from the parent study.

Original Physical Activity Intervention

The original Internet-based program is a computer expert system-driven, individually tailored Spanish language intervention, guided by Social Cognitive Theory (SCT) and the Transtheoretical Model (TTM).

Group Type ACTIVE_COMPARATOR

Original Physical Activity Intervention

Intervention Type BEHAVIORAL

Participants in the Original Physical Activity intervention arm of the study will receive the original Spanish language, motivationally-tailored, Internet-based physical activity intervention that specifically addresses the Physical Activity barriers and intervention needs/preferences of Latinas.

Interventions

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Enhanced Physical Activity Intervention

Participants in the Enhanced Intervention arm will receive all the intervention components of the Original Intervention described above plus: 1) text messages and adaptive goal-setting to drive participants back to the website and keep them there longer, and 2) data-driven, technology supported enhanced intervention content targeting theoretical constructs that influenced PA behavior in Latinas from the parent study.

Intervention Type BEHAVIORAL

Original Physical Activity Intervention

Participants in the Original Physical Activity intervention arm of the study will receive the original Spanish language, motivationally-tailored, Internet-based physical activity intervention that specifically addresses the Physical Activity barriers and intervention needs/preferences of Latinas.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Female
* Generally healthy (If asthma and/or high blood pressure, may be able to participate with physician consent)
* Sedentary (Less than 60 minutes per week of moderate or vigorous physical activity)
* Self-identify as Hispanic or Latino (or of a group defined as Hispanic/Latino by the Census Bureau
* Must be able to read and write Spanish fluently
* 18 - 65 years of age
* Daily access to a text-message compatible cell phone and to an Internet-connected device through home, work, or their community

Exclusion Criteria

* History of coronary heart disease (history of myocardial infarction or symptoms of angina),
* Diabetes that requires insulin and does not have a doctor's approval
* Chronic infectious disease- HIV, Hepatitis C but does not have doctor approval
* Orthopedic conditions which limit mobility, any other serious medical condition that would make PA unsafe (based on modified Physical Activity Readiness Questionnaire)
* Hospitalization due to a psychiatric disorder in the past 3 years
* BMI above 45 kg/m2
* Current or planned pregnancy in the next two year
* Moving from area within two years
* Does not have a cellphone capable of sending and receiving text messages
* Not able to receive materials in the mail, either at your own home or at a mailbox

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes