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La Jolla, California 92093


In this study, investigators are specifically targeting Latina women as they are more likely to be inactive and, therefore, are at higher risk for developing chronic conditions such as obesity, diabetes, or cardiovascular disease. The objective of Pasos Hacia La Salud is to test a Spanish-language Internet-based Physical Activity Intervention, in comparison to a Spanish-language Internet-based Wellness Contact Control condition. Participants are randomly assigned to one of two groups (Exercise and General Wellness). The investigators hypothesize that at the end of treatment, intervention participants will report significantly more minutes of moderate intensity physical activity per week than the wellness contact control participants.

Study summary:

In the U.S., Latino women (Latinas) report higher rates of inactivity than their non-Hispanic White and male counterparts and thus are disproportionately burdened by related health conditions (e.g., cancer, hypertension, heart disease, stroke, diabetes). Cultural factors, socioeconomic circumstances, language and educational barriers limit Latinas access to public health interventions that promote physically active lifestyles. To address this public health crisis, effective interventions that leverage state-of-the-art theory and methods are needed to reach this at-risk population. Our research group has over 20 years experience developing and evaluating individually-tailored, computer expert system-driven, physical activity interventions (based on Social Cognitive Theory and the Transtheoretical Model) through various channels and settings. In our recent pilot (R21NR009864), we culturally and linguistically adapted our tailored intervention for sedentary Latinas and conducted a small randomized trial of the modified program (N=93). A total of 81 participants completed the 6-month study (87% retention) and increased their physical activity from a mean of 17 minutes per week (SD=25.76) at baseline to 147 minutes (SD=241.55) at six months whereas contact control participants increased their physical activity from 12 minutes per week (SD=21.99) at baseline to 97 minutes (SD=118.49) at six months. These observed improvements in physical activity in our intervention group, along with high retention rates, participant-reported desire for an Internet-delivered program, and formative work developing our program in an Internet format lend support for testing an Internet intervention tailored to the needs of Latinas. Therefore, for the current proposal, we will build on our previous work by conducting an adequately powered (N=200) randomized controlled trial to test the efficacy of our culturally and linguistically modified, individually tailored physical activity intervention delivered via the Internet relative to an Internet wellness contact control condition (including cardiovascular health information developed for Latinos by the NHLBI). Data will be collected at baseline, 6 months (post-treatment), and 12 months (maintenance) using well-established physical activity measures (7-Day PAR, Actigraphs), as well as a comprehensive set of psychosocial questionnaires. We hypothesize that at end of treatment (month six) intervention participants will report significantly more minutes of moderate intensity physical activity per week than the wellness contact control participants. We will also examine the maintenance of treatment effects at 12 months, potential mediators and moderators of the intervention-physical activity relationship, and the costs of delivering the tailored Internet program. In the proposed study we seek to promote physical activity among an underserved population using a high-reach, low-cost, technology-based strategy, which has great potential for adoption on a larger scale and thus high potential for reducing health disparities in the U.S.


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) - Latina (self-identified) - Must be able to read and write Spanish fluently - 18 - 65 years of age - Planning on living in the area for the next 12 months - Daily access to a computer with high speed internet Exclusion Criteria: - Pregnant or planning on becoming pregnant - BMI greater than 45 - Not able to walk continuously for 30 minutes/limited ability to complete daily activity or ability to exercise - Exercise is against advice of doctor - Heart disease/treatment - Heart murmur - Angina/chest pain or Angina/chest pain with exertion - Palpitations - Stroke/Transient Ischemic Attacks - Peripheral Vascular Disease - Diabetes I or II - Chronic Infectious Disease - HIV, Hepatitis - Chronic liver disease - Cystic Fibrosis - Abnormal EKG on last EKG performed - Emphysema, Chronic bronchitis, Chronic Obstructive Pulmonary Disease - Seizure in past year - Surgery in past year on heart, lung, joint, orthopedic surgery - Surgery pending in next year on lung, joint, orthopedic surgery - Unusual/concerning shortness of breath - Asthma (may be able to participate with physician consent) - High blood pressure/high blood pressure medication (may be able to participate with physician consent) - Use of beta blockers - Abnormal Medical Stress Test - Musculoskeletal problems - Fainting/dizziness more than 3 times in past year OR interferes with daily activities OR causes loss of balance - Cancer treatment in past 3 months - Hospitalized for psychiatric disorder in past 3 years or suicidal



Primary Contact:

Principal Investigator
Bess H Marcus, PhD
University of California, San Diego

Backup Contact:


Location Contact:

La Jolla, California 92093
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: January 21, 2020

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