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A national survey of health risk perception among 1,503 Canadians was conducted in 2004. The current survey follows-up a previous national survey conducted in 1992 and documents changes in risk perception since that time and investigates new risk issues not previously examined. This article presents a description of the ratings of perceived risk of thirty(More)
BACKGROUND Randomised controlled trials of implementation strategies tell us whether (or not) an intervention results in changes in professional behaviour but little about the causal mechanisms that produce any change. Theory-based process evaluations collect data on theoretical constructs alongside randomised trials to explore possible causal mechanisms(More)
Associations of gaseous air pollutants (including carbon monoxide, sulfur dioxide, nitrogen dioxide, and ozone) with asthma hospitalization, stratified by sex and socioeconomic status, were examined among children 6-12 years of age in Vancouver, British Columbia, Canada, between 1987 and 1998. Relative risks for an exposure increment corresponding to the(More)
F irst introduced by Selye, the term stress is now widely used to describe a state of tension often seen as being related to modern life. In the context of primary care, a defi nition integrated into a conceptual model with a validated measurement instrument would help to ensure that this term is used appropriately. This article is designed to provide(More)
Several trials have employed anxiety measures to assess decision aid effectiveness. This study employed a systematic review method to integrate their findings. The affective impact of decision aids and the appropriateness of anxiety as a measure of decision aid effectiveness are explored. From 11,361 citations generated from searching electronic databases(More)
INTRODUCTION Three years following the global outbreak of severe acute respiratory syndrome (SARS), a national, Web-based survey of Canadian nurses was conducted to assess perceptions of preparedness for disasters and access to support mechanisms, particularly for nurses in emergency and critical care units. HYPOTHESES The following hypotheses were(More)
In the past it was assumed that work attendance equated to performance. It now appears that health-related loss of productivity can be traced equally to workers showing up at work as well as to workers choosing not to. Presenteeism in the workplace, showing up for work while sick, seems now more prevalent than absenteeism. These findings are forcing(More)
Differentials in health status and behaviour by socioeconomic status (SES) constitute a scientific and policy challenge. In this article, data from a national survey on Canadians' perceptions of population health risks were analysed to determine whether various types of health risk perceptions mediated SES differentials in health behaviour. As expected,(More)
OBJECTIVES The global impact of severe acute respiratory syndrome (SARS) brought attention to the role of healthcare professionals as "first receivers" during infectious disease outbreaks, a collateral aspect to their role as responders. This article records and reports concerns expressed by Canadian emergency and critical care nurses in terms of(More)