George Legall

Learn More
When the currently used larval surveillance system (visual inspection) for the dengue vector Aedes aegypti was compared with the surveillance for the presence of eggs by ovitrapping in Port of Spain, Trinidad, it was found that the latter (39.1%) was significantly more sensitive than the visual inspection system (10.1%). At the same time, the presence of(More)
In Trinidad and Tobago, the law on the mandatory use of seat belts was passed in 1995, but this law is hardly enforced. The objective of this study was to determine the frequency and predictors of seat belt use by motor vehicle drivers in the country. A cross-sectional study of 959 motor vehicle drivers using a self-administered questionnaire. Data analysis(More)
OBJECTIVE To determine the relative contribution of known high-risk human papillomavirus (HPV) genotypes to the occurrence of cervical cancers in Trinidad. METHODS The distribution of HPV genotypes in cases of invasive cervical squamous cell carcinoma in Trinidad was investigated. This study was a follow-up to an investigation of HPV genotypes in 310(More)
While early studies of moral decision making highlighted the role of rational, conscious executive processes involving frontal lobe activation more recent work has suggested that emotions and gut reactions have a key part to play in moral reasoning. Given that stress can activate many of the same brain regions that are important for and connected to brain(More)
AIMS To determine the relationship between plasma adiponectin levels and obesity, inflammation, blood lipids and insulin resistance in type 2 diabetics (T2DM) and non-diabetics in a patient population in Trinidad. METHODS A cohort study of a total of 126 type 2 diabetic (42 males and 84 females) and 140 (43 males and 97 females) non-diabetic public clinic(More)
OBJECTIVE To determine whether elevated levels of troponin T are associated with altered lipid profile. METHODS Data were collected from 205 patients each of whom presented elevated troponin T levels. RESULTS 195 patients presented with suspected myocardial infarction, 10 patients did not. Of which 68 had medium, 107 high and 20 presented with very high(More)
This study was conducted to guide the prioritisation of efforts to manage Cryptosporidum contamination of drinking water supplies in Trinidad, W.I. The main objective was to investigate the relative importance of three main types of sources of Cryptosporidium oocysts: urban, agriculture and wildlife. Weekly surface water samples were collected from 19 sites(More)
OBJECTIVE To describe mortality trends and potential years of life lost (PYLL) due to leading causes of death in 21 Caribbean countries during 1985, 1990, 1995 and 2000. METHODS Mortality data for 1985, 1990, 1995 and 2000 were analyzed to identify regional mortality trends using crude, age-specific and age-adjusted death rates and potential years of life(More)
BACKGROUND Health care providers are often ill prepared to interact about or make acceptable conclusions on complementary and alternative medicine (CAM) despite its widespread use. We explored the knowledge, attitudes, and practices of health care providers regarding CAM. METHODS This cross-sectional study was conducted between March 1 and July 31, 2015(More)
Breadfruit ( Artocarpus altilis , Moraceae) and Chataigne ( A. camansi ) for Food Security and Income Generation: The Case of Trinidad and Tobago In 2009, a survey was conducted among 83 breadfruit (Artocarpus altilis) and chataigne (A. camansi) farmers in five regions of Trinidad and Tobago, where breadfruit consumption has been stigmatized traditionally,(More)