Patrick McCrystal

Learn More
AIMS To assess the reliability of drug use reports by young respondents, this study examined the extent of recanting previous drug use reports within an ongoing longitudinal survey of adolescent drug use. Here, recanting was defined as a positive report of life-time drug use that was subsequently denied 1 year later. The covariates of recanting were also(More)
OBJECTIVE To examine whether students' school engagement, relationships with teachers, educational aspirations and involvement in fights at school are associated with various measures of subsequent substance use. METHODS Data were drawn from the Belfast Youth Development Study (n = 2968). Multivariate logistic models examined associations between(More)
Fifty-one young people aged 14-15 years considered to be at a high risk to substance abuse and exhibiting antisocial behavior, primarily because they longer attended mainstream school, participated in this research by completing a questionnaire to measure drug use and delinquent behaviour. The findings suggest that many of them may have already developed a(More)
The relatively high levels of cannabis use among young people is a cause of concern because of the positive relationship between its early onset use, antisocial behaviours and associated lifestyle. Amongst a survey of 3919 young people at school year 11 in Northern Ireland (aged 14/15 years) 142 reported daily cannabis use. These young people also reported(More)
The paper reports on the initial phase of an evaluation of a multi-agency project designed to deliver social and health education to 16-18-year-old trainees attending four community workshops in North and West Belfast. A survey of the first year of the project was carried out using quantitative and qualitative methodologies which included a questionnaire(More)
Substance use behaviors of young people attending a special school are reported over a 4-year period from the age of 12-16 years. The article investigated these behaviors by surveying a cohort of young people with a statement for moderate learning disabilities annually during the last 4 years of compulsory schooling. The findings show that these young(More)
BACKGROUND The image of cocaine as a 'party' drug used by more affluent members of society has begun to change as the levels of use of the drug rise amongst school aged young people. METHODS Cocaine use patterns amongst young people aged 13-16 years who were participating in the Belfast Youth Development Study, a longitudinal study of adolescent drug use(More)
  • 1