Ambient Temperature and Emergency Hospital Admissions in People Experiencing Homelessness: London, United Kingdom, 2011-2019.

To assess the impacts of ambient temperature on hospitalizations of people experiencing homelessness. We used daily time-series regression analysis employing distributed lag nonlinear models of 148 177 emergency inpatient admissions with "no fixed abode" and 20 804 admissions with a diagnosis of homelessness in London, United Kingdom, in 2011 through 2019. There was a significantly increased risk of hospitalization associated with high temperature; at 25°C versus the minimum morbidity temperature (MMT), relative risks were 1.

Multirater reliability of the historical, clinical, and risk management-20.

The assessment and management of risk for future violence is a core requirement of mental health professionals in many settings. Despite an increasing need for violence risk assessments across diverse contexts, little is known regarding the ecological validity of many widely used risk assessment schemes or the level of reliability with which actual practicing clinicians score these instruments. The current study investigated the interrater reliability of the Historical, Clinical, and Risk Management-20 (HCR-20), a widely used structured professional tool to assess violence risk, among 21 practicing clinicians in a forensic psychiatric program in Ontario, Canada.

The lifetime effect of residential school attendance on indigenous health status.

Objectives: I examined the health impact of lifetime Indian Residential school (IRS) attendance and the mediating influences of socioeconomic status and community adversity on health outcomes in a national sample of Aboriginal peoples in Canada.

Methods: In an analysis of data on 13,881 Inuit, Métis, and off-reserve First Nations or North American Indian adults responding to the postcensus 2006 Aboriginal Peoples Survey administered October 2006 to March 2007, I tested the direct effect of IRS attendance on health and indirect effects through socioeconomic and community factors using logistic regression procedures.

Results: Negative health status was significantly more likely with IRS attendance than nonattendance.

Motivational influences in persons found not criminally responsible on account of mental disorder: a review of legislation and research.

This paper provides a review of the legislative reforms and case law that have impacted the defense of Not Criminally Responsible on Account of Mental Disorder (NCRMD) in Canada over the past three decades. As in other jurisdictions internationally, we observe that legislative reforms of procedural, as opposed to substantive, aspects of the NCRMD defense have impacted the manner in which NCRMD criteria are applied in common practice. More people are being declared NCRMD in recent years, and there is greater heterogeneity in the offending and psychiatric profiles of these individuals, suggesting that NCRMD criteria are being applied more liberally over time.

Association of a polymorphism in the NRXN3 gene with the degree of smoking in schizophrenia: a preliminary study.

Whole genome scan studies have recently identified the NRXN1 and NRXN3 genes as potential contributing factors in the risk for nicotine addiction. We have genotyped 15 single nucleotide polymorphisms (SNPs) spanning the NRXN1 and NRXN3 genes in 195 unrelated patients with schizophrenia for whom information about their smoking status and number of cigarettes smoked per day (CPD) was obtained. The NRXN3 marker rs1004212 was significantly associated with quantity of tobacco smoked.

Implications of the normative fallacy in young adult smokers aged 19-24 years.

We used a random-digit-dialed survey of 434 smokers to demonstrate that approximately three quarters of young adult (aged 19-24 years) smokers overestimated by 20% or more the proportion of their peers who smoked. The effect of this normative fallacy was significantly greater in young adult smokers than in smokers aged 25 years or older. Because of the strength of this false consensus effect in young adult smokers, normative feedback interventions might be especially effective in this age group.

The Toronto Mindfulness Scale: development and validation.

In this study, the authors both developed and validated a self-report mindfulness measure, the Toronto Mindfulness Scale (TMS). In Study 1, participants were individuals with and without meditation experience. Results showed good internal consistency and two factors, Curiosity and Decentering.

Childhood anxiety disorders and developmental issues in anxiety.

Anxiety disorders are common disorders in childhood, and developmental differences must be considered when diagnosing and treating patients in this age group. Recent research has illuminated the course of childhood anxiety disorders, including how they can be precursors to continued anxiety and mood problems in adulthood. Recent studies of cognitive-behavioral therapy, the first-line psychosocial treatment for childhood anxiety, have focused on the following issues: the relative efficacy of group versus individual cognitive-behavioral therapy; the role of parent involvement; and the application of specific techniques to certain diagnostic groups (eg, social skills techniques in social phobia).