David W Sibbritt

Learn More
BACKGROUND There are difficulties with the diagnosis of serotonin toxicity, particularly with the use of Sternbach's criteria. AIM To improve the criteria for diagnosing clinically significant serotonin toxicity. DESIGN Retrospective analysis of prospectively collected data METHODS We studied all patients admitted to the Hunter Area Toxicology Service(More)
AIMS To describe alprazolam poisoning and the relative toxicity of alprazolam compared with other benzodiazepines. METHODS A database of consecutive poisoning admissions to a regional toxicology service was searched to identify consecutive benzodiazepine deliberate self poisonings, which were coded as alprazolam, diazepam or other benzodiazepine. Major(More)
PURPOSE To determine the effect of dietary antioxidant restriction on oxidative stress, antioxidant defenses, and exercise performance in athletes. Oxidative stress has been shown to increase during exercise. To alleviate oxidative stress, a high intake of antioxidant rich foods or supplements may be required in trained athletes. METHODS Plasma oxidative(More)
OBJECTIVE The present study evaluates the reliability and validity of an FFQ designed for use with adolescents in urban Vietnam. DESIGN A cohort study was conducted between December 2003 and June 2004. The FFQ was administered three times over a 6-month period (FFQ 1-3) and nutrient intakes were compared to those obtained from four 24 h recalls collected(More)
PURPOSES To identify factors associated with physical inactivity among adolescents in Ho Chi Minh City (HCMC). METHODS A cross-sectional survey was conducted in 2004 among 2684 junior high school students using multistage cluster sampling. Time spent for physical and sedentary activities was collected with a validated questionnaire. Anthropometry,(More)
BACKGROUND The use of complementary and alternative medicine has attracted much attention and debate in recent years. The objective of this critical review is to examine the evidence base on use of complementary products and therapies during pregnancy. It examines an important but neglected issue in maternity care. METHODS A database search was conducted(More)
BACKGROUND Dietary intake during childhood and adolescence is of increasing interest due to its influence on adult health, particularly obesity, cardiovascular disease and diabetes. There is a need to develop and validate dietary assessment methods suitable for large epidemiologic studies of children and adolescents. Limited large scale dietary studies of(More)
OBJECTIVES To compare the characteristics of complementary and alternative medicine (CAM) users and non-users among Australian women. DESIGN Cross-sectional postal questionnaire conducted during 1996, forming the baseline survey of the Australian Longitudinal Study on Women's Health. PARTICIPANTS Women aged 18-23 years (n = 14 779), 45-50 years (n = 14(More)
Objective:To identify personal and environmental factors associated with adolescent overweight and obesity in Xi'an city, China.Subjects/Methods:A total of 1804 adolescents from 30 junior high schools in six districts in Xi'an City. Community, school, household and individual characteristics were self reported by parents, school doctors and students.(More)
PURPOSE To explore the sociodemographic and environmental factors at community, school, and household levels associated with physical inactivity. METHODS In a cross-sectional study in 2004, physical activity level was assessed using a validated questionnaire in 1787 students. Physical inactivity was defined as less than 150 min.wk of moderate activity(More)