Cathy C Spegg

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OBJECTIVE Previous epidemiological studies of bulimia nervosa have generated differing estimates of the incidence and prevalence of the disorder. These differences are attributable, in part, to varying definitions of the illness and a range of methodologies. The authors sought to define the prevalence of bulimia nervosa in a nonclinical community sample,(More)
BACKGROUND This study compares the characteristics of women with anorexia nervosa with those of women who have all the diagnostic features of that disorder except amenorrhoea. METHOD The study uses data from a large community epidemiological survey of the mental health status of household residents in Ontario, Canada. A multi-stage stratified sampling(More)
BACKGROUND Catatonic symptoms have been associated with mixed mania in the older psychiatric literature, however, to date no systematic studies have been performed to assess their frequency in these patients. METHOD Ninety-nine patients with bipolar disorder manic or mixed episode were assessed for the presence of catatonia. RESULTS Thirty-nine patients(More)
INTRODUCTION The number of adolescents referred to specialized gender identity clinics for gender dysphoria appears to be increasing and there also appears to be a corresponding shift in the sex ratio, from one favoring natal males to one favoring natal females. AIM We conducted two quantitative studies to ascertain whether there has been a recent(More)
OBJECTIVE Recent consensus on the subclassification of the eating disorder bulimia nervosa into purging and nonpurging forms is examined in the context of a large psychiatric epidemiological survey in Ontario, Canada. METHOD Among a sample of 8,116 individuals, 62 met criteria for bulimia nervosa. Of these, the 17 who were of the purging subtype could be(More)
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