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Introduction: HIV-associated neurocognitive disorder (HAND) may affect 30%-50% of people ageing with HIV. HAND may increase stress and anxiety, and impede coping. Psychosocial group therapy may ameliorate HAND's symptoms, yet the ideal intervention is unclear. This protocol outlines a pilot randomised controlled trial (RCT)-designed using community-based participatory research-to pilot cognitive remediation group therapy (CRGT) against an active comparator., Methods and Analysis: This is a pilot, parallel design, two-arm RCT that will recruit participants diagnosed with the mild neurocognitive disorder form of HAND from a neurobehavioural research unit at a tertiary care hospital in Toronto, Canada. Eligibility criteria include age ≥40 years, known HIV status for 5+ years, English fluency, able to consent and able to attend 8 weeks of group therapy. Eligible participants will be randomised to one of two treatment arms, each consisting of eight-session group interventions delivered once weekly at 3 hours per session. Arm 1 (novel) is CRGT, combining mindfulness-based stress reduction with brain training activities. Arm 2 (active control) is mutual aid group therapy. The primary outcomes are feasibility, measured by proportions of recruitment and completion, and acceptability, determined by a satisfaction questionnaire. The secondary outcome is intervention fidelity, where content analysis will be used to assess facilitator session reports. A between-group analysis will be conducted on exploratory outcomes of stress, anxiety, coping and use of intervention activities that will be collected at three time points., Ethics and Dissemination: Ethical approval was obtained from the Research Ethics Boards of St. Michael's Hospital and the University of Toronto. Findings will be disseminated through peer-reviewed publications, conference presentations and community reporting. This study could provide insight into design (eg, recruitment, measures) and intervention considerations (eg, structure, content) for a larger trial to lessen the burden of cognitive decline among people ageing with HIV., Trial Registration Number: NCT03483740; Pre-results., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)

This article describes the methodology of the first Canada-wide study of the incidence and characteristics of reported child abuse and neglect. Child welfare investigators from a random sample of 51 child welfare service areas completed a three-page survey form describing the results of 7,672 child maltreatment reports received during the months of October to December 1998. The study documented a 90% participation rate and a 95% item completion rate. An estimated 135,571 child maltreatment investigations were completed, a rate of 21.52 investigated children per 1,000 children in Canada in 1998. The Canadian Incidence Study of Reported Child Abuse and Neglect is a rich database that will provide researchers with important contextual information on reported child maltreatment in Canada and a comprehensive source of information on factors associated with key service decisions made by child welfare investigators.