Megan Johnston

Learn More
The success of cardiovascular disease (CVD) risk factor screening programmes depends heavily on good uptake rates and the extent of risk factors modification following screening. It is thus important to try to understand what affects people's decision to attend a screening appointment and their motivation to change their lifestyle, if necessary, following(More)
BACKGROUND Mood and anxiety disorders are common psychiatric conditions among adult patients with fibromyalgia syndrome, but little is known about whether psychiatric disorders are prevalent among pediatric patients with fibromyalgia. OBJECTIVE The primary objective of this study was to assess the prevalence of mood, anxiety, and behavioral disorders in a(More)
OBJECTIVE To describe school absences in adolescents with Juvenile Primary Fibromyalgia Syndrome (JPFS) and examine the relationship between school absenteeism, pain, psychiatric symptoms, and maternal pain history. METHODS Adolescents with JPFS (N = 102; mean age 14.96 years) completed measures of pain and depressive symptoms, and completed a psychiatric(More)
The presence of campylobacters in broiler chickens and throughout the broiler water delivery systems of 12 farms in northeastern Scotland was investigated by sensitive enrichment methods and large-volume filtration. Campylobacter presence was independent of the water source and whether the water was treated. The genotypes of Campylobacter jejuni isolates(More)
The study analyses adolescents' positively charged versus negatively charged moral emotion expectancies. Two hundred and five students (M= 14.83 years, SD= 2.21) participated in an interview depicting various situations in which a moral norm was either regarded or transgressed. Emotion expectancies were assessed for specific emotions (pride, guilt) as well(More)
AIMS To compare a range of enrichment broths and enrichment temperatures for the isolation of Escherichia coli O157 by immunomagnetic separation (IMS) from sandy, loam and clay soils. METHODS AND RESULTS Soils were spiked with cocktails of four atoxigenic strains of E. coli O157 and four strains of commensal E. coli. The organisms were stressed by(More)
Systematic review data demonstrate that 5% of ALS cases are familial (FALS). Causative superoxide dismutase-1 (SOD1) mutations are identified in 10-20% of FALS. Few reports of FALS epidemiology exist in Canada. We completed a retrospective review of all FALS cases within the province of Alberta between 2002 and 2011. Descriptive summaries of genotypes(More)
BACKGROUND Patient registries represent a well-established methodology for prospective data collection with a wide array of applications for clinical research and health care administration. An examination and synthesis of registry stakeholder perspectives has not been previously reported in the literature. METHODS To inform the development of future(More)
A serious and potentially life-threatening disease in a young child was identified and resolved through medical intervention. However, in the course of hospitalization, a conflict arose between the mother and the health care providers that required legal constraints on the mother. A retrospective account of this conflict between Western health care(More)
BACKGROUND Amyotrophic lateral sclerosis (ALS) is a devastating cause of progressive weakness, respiratory failure and death. To date there is no effective therapy to meaningfully extend survival but continuously emerging targets and putative treatments are studied in clinical trials. Canadian epidemiological data on ALS is scarce and the socioeconomic(More)