April A. Greek

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This paper explores the roles of acute infection and concurrent partnerships in HIV transmission dynamics among young adults in Zimbabwe using realistic representations of the partnership network and all published estimates of stage-specific infectivity. We use dynamic exponential random graph models to estimate partnership network parameters from an(More)
INTRODUCTION Surveys are central for information on asthma prevalence. Recently, the validity of parental reports of pediatric asthma has been questioned. Confidence is examined in the report of asthma for children, obtained in a survey from the adult household member most knowledgeable about household health care (MKA). METHOD MKA reports of asthma are(More)
OBJECTIVE To describe current practices of primary care (PC) clinicians for STD/HIV control services: risk assessment, prevention counseling, and offering tests. STUDY DESIGN We identified clinical strategies through qualitative interviews. We then surveyed by mail a random sample of Washington State family physicians, general internists,(More)
INTRODUCTION We examined how differences in health service utilization among children with asthma are associated with race/ethnicity, socioeconomic status (family income, mother's education), and health insurance coverage. METHODS We analyzed Medical Expenditure Panel Survey data from 1996 through 2000 (982 children younger than 18 years with asthma). We(More)
OBJECTIVES To examine drinking trajectories followed by two cohorts of older women over 8 to 10 years of follow-up. DESIGN Longitudinal analyses of two nationally representative cohorts using semiparametric group-based models weighted and adjusted for baseline age. SETTING Study data were obtained from detailed interviews conducted in the home or by(More)
OBJECTIVE Despite guidelines recommending cervical cancer screening intervals be extended beyond one year, clinical practice has been slow to change. Patient preferences are a potential barrier. In the Centers for Disease Control's Cervical Cancer (Cx3) Study at Federally Qualified Health Centers (FQHCs) across Illinois, we surveyed patients about screening(More)
INTRODUCTION Having a medical home is advocated by the National Association of Pediatric Nurse Practitioners and others, yet there is limited research that documents desired health benefits. We examine the presence of medical home characteristics and describe relationships between medical home and health services utilization in a national sample that(More)
A usual source of care (USC) can serve as the foundation for good primary health care and is critical for children living with a chronic health condition. This study applies national data to the following objectives: (1) describe family reports of the presence and characteristics of the USC for children with asthma; (2) examine evidence of systematic(More)
BACKGROUND Because high-risk HPV is highly prevalent in the general population, usually transient, and rarely causes clinical symptoms, and because diagnostic and treatment options for HPV in men are lacking, partner notification is not useful for preventing transmission or protecting the health of male partners. METHODS We conducted a nationally(More)
OBJECTIVE To describe common 10-year drinking trajectories followed by men age 50 years or older and identify risk factors for those trajectories. DESIGN Longitudinal data were used to derive a semiparametric group-based model. PARTICIPANTS Men from the Health and Retirement Study age 50-65 years in 1998 who completed three or more of the six interviews(More)