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A special HIV/AIDS surveillance project

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Why the logo?

The MMP project is like a puzzle bringing together important pieces such as Access to Care, Quality of Life, Prevention Services, Social Support and more. The remaining piece, YOU, completes the puzzle.

What are the benefits of MMP?

The information obtained from the MMP will provide a consistent method for state and city health departments to measure important aspect of morbidity, access, and use of preventive services. It will help identify service gaps for people in care for HIV/AIDS infection and help focus more on provision of preventive services.

How can you help?

Patients, providers, and the community play a huge role in making MMP a success. Patients and providers who participate represent other patients and providers who were not chosen. If you are chosen, you are encouraged to participate. The success of the MMP depends on you! If you are not chosen, you can still help by encouraging others to participate. Remember, this data will be used to represent patients getting care for HIV at the local, state, and national levels. MMP results can have a big effect on future HIV prevention, care, and quality of life for persons living with HIV/AIDS. Everyone's participation is essential. Together, we can learn much more about the ever-changing nature of HIV infection.

The Houston Medical Monitoring Project (HMMP) is a special HIV/AIDS surveillance project that is being funded by the Centers for Disease Control and Prevention (CDC) in collaboration with the Houston Department of Health and Human Services (HDHHS). Houston is one of 23 state and city sites participating in the MMP. The project will link patient reported behavioral information collected by questionnaire with clinical information abstracted from medical charts. These two sources of information will be used to get the most accurate picture of health care service utilization and illnesses experienced among persons with HIV/AIDS in Houston/Harris County.

Project Goals

The goals of the project are to:

  • Provide a wide array of local and national estimates of behaviors and
  • clinical outcomes of persons in care for HIV
  • Describe health-related behaviors
  • Determine accessibility and use of prevention and support services
  • Increase knowledge of the care and treatment provided
  • Examine variations of factors by geographic area and patient characteristics

Significance

People living with HIV/AIDS, HIV prevention community planning groups, Ryan White CARE Act planning councils and consortia, providers of HIV care, and other policy makers and service planners may use MMP data for planning and prevention activities. MMP will provide valuable local, state and national estimates of health care utilization, quality of care, severity of needs, and effectiveness of prevention messages. MMP data may help estimate resource needs for treatment and services for HIV-infected persons.

To be effective, programs must meet the current needs of the population.
MMP data will provide contextual information on prevention, care-seeking, treatment, and risk behaviors which will aid in the design and improvement
of HIV programs.

Project Procedures

To implement this project, state and local health departments first identify all HIV care providers in their respective areas. The CDC then selects a representative sample of these providers. The health departments then contact all sampled providers and request a line list of patients seen within the Population Definition Period (PDP), which is usually from January to April of each year. Subsequently, the patients are randomly chosen from the selected providers using the probability proportional to size sampling technique.

The MMP has two components: a personal interview and medical record abstraction. MMP staff invites each selected patient to participate in a face-to-face or telephone interview. The interview takes approximately 35-40 minutes and includes questions concerning their medical history, use of medical and social services, and risk behaviors.

Trained MMP medical abstractors will then collect additional information from the patient’s medical chart which complements the data from the interview. MMP will take measures to assure the project is not burdensome to providers or participating patients. State and local health department representatives conduct all data collection activities in order not to disrupt providers, their staff, or services to their patients. Participants are compensated for their time. All personal and health care information collected during the project is secure and confidential.

How will providers and patients be chosen?

Houston will use a two-stage sampling scheme. The first stage will randomly sample providers; the second stage will randomly sample patients from within providers. The sampling frame of providers will be defined so that the likelihood of selection will be based on the number of cases reported. A provider is defined as a hospital, clinic or other health facility that keeps the patients medical records.

The sampling frame will be constructed based on providers identified in the HIV/AIDS Reporting System (HARS) and other databases. From each provider’s patient list, all patients who meet the specific eligibility criteria determined by the protocol will be included for sampling in the study. Eligibility and stratification variables will be determined in consultation with CDC.

For more information about HMMP and participation in the project, please contact the Bureau of Epidemiology at 832-393-5080, or
contact by e-mail.