Stephenie C. Lemon

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BACKGROUND Dengue virus is endemic in tropical and sub-tropical resource-poor countries. Dengue illness can range from a nonspecific febrile illness to a severe disease, Dengue Shock Syndrome (DSS), in which patients develop circulatory failure. Earlier diagnosis of severe dengue illnesses would have a substantial impact on the allocation of health(More)
OBJECTIVE This paper describes the design characteristics of the National Heart, Lung, and Blood Institute (NHLBI)-funded studies that are testing innovative environmental interventions for weight control and obesity prevention at worksites. RESEARCH METHODS AND PROCEDURES Seven separate studies that have a total of 114 worksites ( approximately 48,000(More)
BACKGROUND Previous studies examining characteristics of Internet health information seekers do not distinguish between those who only seek for themselves, and surrogate seekers who look for health information for family or friends. Identifying the unique characteristics of surrogate seekers would help in developing Internet interventions that better(More)
BACKGROUND Heart failure (HF) is a prevalent chronic disease in older adults that requires extensive self-care to prevent decompensation and hospitalization. Cognitive impairment may impact the ability to perform HF self-care activities. We examined the association between cognitive impairment and adherence to self-care in patients hospitalized for acute(More)
OBJECTIVE Examine longitudinal associations between sources of social support and social undermining for healthy eating and physical activity and weight change. METHODS Data are from 633 employed adults participating in a cluster-randomized multilevel weight gain prevention intervention. Primary predictors included social support and social undermining(More)
BACKGROUND Dietary quality may impact heart failure outcomes. However, the current status of the dietary quality of persons with heart failure has not been previously reported. OBJECTIVE To describe sodium intake, patient factors associated with sodium intake and overall dietary quality in a national sample of persons with heart failure. DESIGN Analysis(More)
BACKGROUND US Latinos have greater prevalence of type 2 diabetes (diabetes), uncontrolled diabetes and diabetes co-morbidities compared to non-Latino Whites. They also have lower literacy levels and are more likely to live in poverty. Interventions are needed to improve diabetes control among low-income Latinos. METHODS AND DESIGN This randomized clinical(More)
IMPORTANCE Indoor tanning is widespread among young adults in the United States despite evidence establishing it as a risk factor for skin cancer. The availability of tanning salons on or near college campuses has not been formally evaluated. OBJECTIVE To evaluate the availability of indoor tanning facilities on US college and university campuses(More)
BACKGROUND What is the next frontier for computer-tailored health communication (CTHC) research? In current CTHC systems, study designers who have expertise in behavioral theory and mapping theory into CTHC systems select the variables and develop the rules that specify how the content should be tailored, based on their knowledge of the targeted population,(More)
BACKGROUND Lifestyle interventions are efficacious at reducing risk for diabetes and cardiovascular disease but have not had a significant public health impact given high cost and patient and provider burden. OBJECTIVE Online social networks may reduce the burden of lifestyle interventions to the extent that they displace in-person visits and may enhance(More)