Antonio Sanhueza

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BACKGROUND This study assessed the effects of the Health Works for Women (HWW) intervention on improving multiple behaviors including nutrition and physical activity among rural female blue-collar employees in North Carolina. METHODS Nine small to mid-size workplaces were randomly assigned to either intervention or delayed intervention conditions. After a(More)
Gallbladder carcinoma (GBC) is a highly malignant neoplasm and represents the leading cause of cancer death in Chilean women. In order to determine the potential role of promoter methylation in gallbladder carcinogenesis, we investigated the frequency of this epigenetic mechanism by methylation-specific polymerase chain reaction (MSP) in 35 chronic(More)
In this paper, we consider a family of generalized Birnbaum–Saunders distributions and present a lifetime analysis based mainly on the hazard function of this model. In addition, we carry out maximum likelihood estimation by using an iterative algorithm, which produces robust estimates. Asymptotic inference is also presented. Next, the quality of the(More)
STUDY OBJECTIVE Health literacy influences a patient's ability to read and understand labels on medicine containers, appointment slips, informed-consent documents and medical instructions--all of which are considered basic health documents that a patient encounters in healthcare settings. Previous research suggests Spanish-speaking patients have low levels(More)
OBJECTIVES To determine the type and severity of discipline practices in rural India and to identify risk and protective factors related to these practices. METHODS Five hundred mothers, ages 18-50, participated in face-to-face interviews as part of a cross-sectional, population-based survey. One of the mother's children was randomly selected as the(More)
INTRODUCTION Foot amputation wounds in patients with diabetes are complex and treatment is often difficult. At the moment negative pressure wound therapy (NPWT) is widely used for the treatment of several types of wounds. Nevertheless, the clinical evidence to support the application of this dressing in foot amputation wounds in patients with diabetes is(More)
The aim of this study was to determine if intrabiliary rupture (IBR), an evolutive complication of hepatic echinococcosis (HE), is a risk factor for developing postoperative morbidity (POM). This was a concurrent cohort study that included patients operated on for HE between 1996 and 2006 and who had clinical check-ups at 1, 6, 12, 24, 36, 48, and 60 months(More)
PURPOSE To examine suicide mortality trends among young people (10-24 years of age(1)) in selected countries and territories of the Americas. METHODS An ecological study was conducted using a time series of suicide mortality data from 19 countries and one territory in the Region of the Americas from 2001 to 2008, comprising 90.3% of the regional(More)
OBJECTIVE To describe the current situation and trends in mortality due to cardiovascular disease (CVD) in the Americas and explore their association with economic indicators. DESIGN AND SETTING This time series study analysed mortality data from 21 countries in the region of the Americas from 2000 to the latest available year. MAIN OUTCOMES MEASURES(More)