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OBJECTIVE Prior studies have reported that major depressive episodes (MDEs) are associated with elevated mortality. However, the association has not always persisted after adjustment for other mortality risk factors. In our study, we examine this issue using data from a longitudinal Canadian study (the National Population Health Survey [NPHS]). The NPHS(More)
BACKGROUND Reports of bidirectional associations between smoking and major depression (MD) have been interpreted as providing evidence for confounding by shared-vulnerability factors (SV) that predispose individuals to both conditions. If this is true, then smoking cessation may not reduce the risk of MD. From clinical practice and public health(More)
BACKGROUND Previous studies have linked major depressive episodes (MDEs) to obesity. The association may be partially mediated by antidepressant medication use. In the current study we examine changes in weight and BMI in relation to MDE and antidepressant use in a general population cohort. METHODS Data from a Canadian longitudinal study, the National(More)
INTRODUCTION We assessed whether major depression (MD) predicts progression of nicotine dependence (ND) as measured by reduction in the time to first cigarette (TTFC) after waking and the roles of the number of cigarettes smoked per day (CPD) and stress as explanatory variables of this association. METHODS Ten years of follow-up data from the National(More)
OBJECTIVE To describe the 12-month prevalence of major depression in relation to smoking status, nicotine dependence levels, commitment to quit, attempts to quit, and maintenance of smoking cessation in the Canadian general population. METHOD Data from Public Use Microdata File of the Canadian Community Health Survey: Health and Well-Being were used. The(More)
OBJECTIVE Most psychiatric epidemiologic studies have used cross-sectional methods, resulting in a lack of information about the longitudinal course of depressive disorders. The objective of our study was to describe the longitudinal epidemiology of major depressive episodes (MDEs) in a Canadian sample using data from the National Population Health Survey(More)
Several studies have suggested that there may be an increased prevalence of affective disorders in people with motor neuron disease (MND). However, the literature is inconsistent, possibly because of small sample sizes in the existing studies. The Canadian province of Alberta has a universal health care system in which physician contacts are recorded along(More)
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