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Social Contextual Influences on Physical Activity

This study is ongoing, but not recruiting participants.
National Cancer Institute (NCI)
Information provided by (Responsible Party):
M.D. Anderson Cancer Center Identifier:
First received: September 2, 2010
Last updated: February 17, 2017
Last verified: February 2017
The goal of this study is to learn why some black and Latino men and women choose not to exercise very often. Researchers also want to learn more about any social and environmental factors that may affect the way an exercise program is followed.

Condition Intervention
Cancer Prevention Harmful Effects Behavioral: PA Prescription Plan Device: Pedometer Behavioral: Newsletters

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Social, Contextual, and Environmental Determinants of Physical Activity in Sedentary Minority Adults

Resource links provided by NLM:

Further study details as provided by M.D. Anderson Cancer Center:

Primary Outcome Measures:
  • Participant Physical Activity Outcome [ Time Frame: 1 year ]
    Physical Activity (PA) outcome measured at four time points post baseline (weeks 8, 26, 39, and 52)

Estimated Enrollment: 380
Actual Study Start Date: August 2010
Estimated Study Completion Date: August 2018
Estimated Primary Completion Date: August 2018 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
Study Group
Newsletters, Physical Activity (PA) Prescription Plan, Pedometer
Behavioral: PA Prescription Plan
Exercise program and instructions.
Other Names:
  • Physical Activity
  • Exercise
Device: Pedometer
Step monitor for individual PA progress.
Behavioral: Newsletters
4 Newsletters with topics based on PA progression phases of adoption and maintenance.

  Show Detailed Description


Ages Eligible for Study:   25 Years to 60 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
300 black or Latino participants in the greater Houston, Texas area.

Inclusion Criteria:

  1. Black or Latino (self-defined by participant) ages 25-60 years
  2. Currently sedentary, defined as self-reported physical activity of </=90 minutes per week over the past 6 months
  3. Ready and physically able to start being physically active. Determined by asking participant if they intend to start being physically active within the next 30 days.
  4. Have a home address where information can be mailed
  5. Able to read English at a 6th grade level as assessed by the REALM
  6. If uncontrolled hypertension or other physical limitations that might be aggravated by participation in lifestyle moderate-intensity physical activity as determined by PA Readiness Questionnaire (PAR-Q). Participants with BP readings >/=140/90mm Hg, will have to provide a doctors note or medical clearance.
  7. Live within Harris County

Exclusion Criteria:

  1. Pregnant or thinking about becoming pregnant during the study period
  2. Another person in the same household is enrolled in the study
  3. Physical limitation that prevents engaging in PA
  4. MD Anderson employees who work in the Division of Cancer Prevention and Population Sciences
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01195337

United States, Texas
University of Texas MD Anderson Cancer Center
Houston, Texas, United States, 77030
Sponsors and Collaborators
M.D. Anderson Cancer Center
National Cancer Institute (NCI)
Principal Investigator: Lorna H. McNeill, PHD, MPH M.D. Anderson Cancer Center
  More Information

Additional Information:
Responsible Party: M.D. Anderson Cancer Center Identifier: NCT01195337     History of Changes
Other Study ID Numbers: 2008-0763
Study First Received: September 2, 2010
Last Updated: February 17, 2017

Keywords provided by M.D. Anderson Cancer Center:
Sedentary minority adult
Psychosocial factors
Environmental factors
Physical Activity
Cancer Risk
African Americans
Latino processed this record on September 19, 2017