Clinical Research Directory

Inclusion Criteria: * Are referred by a University of Texas (UT) health care provider * Have a body mass index (BMI) greater than or equal to 30 and less than or equal to 45 kg/m\^2 * Are able to read and speak English * Have a working telephone number and address where materials can be mailed * Able to engage in moderate intensity physical activity as determined by the Physical Activity Readiness Questionnaire (PAR-Q) * Internet access at home or other location (e.g., work, church, library, community center, etc.) Exclusion Criteria: * Another person in the same household already enrolled in the proposed intervention * Pregnant or thinking about becoming pregnant during the study period * Are already involved in another weight loss program * Participated in a weight loss, exercise, or dietary modification program in the previous 6 months * Involuntary or voluntary weight loss of greater than or equal to 5% body weight in the previous 6 months * Are currently using weight loss medications