Article

McCrystal, Patrick and Percy, Andrew (2010) Patterns of substance use among young people attending colleges of further education in Northern Ireland. Drugs: Education Prevention and Policy, 18, (1), pp. 69-76. 10.3109/09687630903505501.

McCrystal, Patrick and Percy, Andrew (2009) Factors associated with teenage ecstasy use. Drugs: Education Prevention and Policy, 10, (17), pp. 507-527. DOI: 10.1080/09687630902810691.

McCrystal, Patrick and Winning, Kerry (2009) Cannabis reclassification: What is the message to the next generation of cannabis users? Child Care in Practice, 15, (1), pp. 57-73. https://doi.org/10.1080/13575270802504354.

McCrystal, Patrick and Winning, Kerry (2009) Drugs education and prevention for school-aged young people. Child Care in Practice, 15, (4), pp. 341-352. https://doi.org/10.1080/13575270903101506.

McCrystal, Patrick and Percy, Andrew (2009) A profile of adolescent cocaine use in Northern Ireland. International Journal of Drug Policy, 20, (4), pp. 357-364. https://doi.org/10.1016/j.drugpo.2008.09.005.

McCrystal, Patrick (2008) Drug prevention for young people with social, emotional and behavioural difficulties attending special education provision. Emotional and Behavioural Difficulties, 13, (4), pp. 305-314. https://doi.org/10.1080/13632750802442243.

McCrystal, Patrick (2008) Researching children and young people living in residential state care: hurdles on the path to consent. Research Ethics, 4, (3), pp. 89-94. https://doi.org/10.1177%2F174701610800400302.

McCrystal, Patrick and Percy, Andrew and Higgins, Kathryn (2008) Substance use among young people living in residential state care. Child Care in Practice, 14, (2), pp. 181-192. https://doi.org/10.1080/13575270701868819.

McCrystal, Patrick and Percy, Andrew and Higgins, Kathryn (2007) Frequent cannabis use among 14/15 years old in Northern Ireland. Drug and Alcohol Dependence, 88, (1), pp. 19-27. https://doi.org/10.1016/j.drugalcdep.2006.09.007.

McCrystal, Patrick and Percy, Andrew and Higgins, Kathryn (2007) Drug use amongst young people attending emotional and behavioural difficulty units during adolescence: a longitudinal analysis. Emotional and Behavioural Difficulties, 12, (1), pp. 49-68. https://doi.org/10.1080/13632750601135907.

McCrystal, Patrick and Higgins, Kathryn and Percy, Andrew (2007) Exclusion and marginalisation in adolescence: the experience of school exclusion on drug use and antisocial behaviour. Journal of Youth Studies, 10, (1), pp. 35-54. https://doi.org/10.1080/13676260701196103.

McCrystal, Patrick and Higgins, Kathryn and Percy, Andrew (2007) Substance use behaviours of young people with a moderate learning disability: a longitudinal analysis. American Journal of Drug and Alcohol Abuse, 33, (1), pp. 155-161. https://doi.org/10.1080/00952990601091143.

McCrystal, Patrick and Percy, Andrew and Higgins, Kathryn (2007) The cost of drug use in adolescence: Young people, money and substance abuse. Drugs: Education, Prevention and Policy, 14, (1), pp. 19-28. https://doi.org/10.1080/09687630600832641.

McCrystal, Patrick and Higgins, Kathryn and Percy, Andrew (2006) School exclusion drug use and delinquency in adolescence. Journal of Adolescence, 29, (5), pp. 829-836. https://doi.org/10.1016/j.adolescence.2006.05.006.

McCrystal, Patrick and Percy, Andrew and Higgins, Kathryn (2006) Drug use patterns and behaviours of young people at an increased risk of drug use during adolescence. International Journal of Drug Policy, 17, (5), pp. 393-401. https://doi.org/10.1016/j.drugpo.2006.05.007.

McCrystal, Patrick and Higgins, Kathryn and Percy, Andrew (2005) Substance abuse among 12 and 13-year-old young people in Belfast at high risk of developing problem drug use. Child Care in Practice, 11, (3), pp. 313-321. https://www.researchgate.net/deref/http%3A%2F%2Fdx.doi.org%2F10.1080%2F13575270500151854.

McCrystal, Patrick and Higgins, Kathryn and Percy, Andrew and Thornton, Maeve (2005) Adolescent substance abuse among young people excluded from school in Belfast. Drugs: Education, Prevention and Policy, 12, (2), pp. 101-112. https://doi.org/10.1080/09687630512331323503.

McCrystal, Patrick and Higgins, Kathryn and Percy, Andrew (2005) Drug use amongst 12- and 13-year-olds attending emotional and behavioural difficulty units in Belfast. Emotional and Behavioural Difficulties, 10, (3), pp. 203-218. https://www.researchgate.net/deref/http%3A%2F%2Fdx.doi.org%2F10.1080%2F13632750601135907.

McCrystal, Patrick (2004) Social exclusion – a holistic approach to understanding adolescent drug use. Radical Statistics, (85), pp. 1-17. ISSN: 0268 6376.

Report

McCrystal, Patrick and Mayock, Paula and Hannaford, Sarah (2011) A study of cocaine use in Northern Ireland 2009. Belfast: Department of Health, Social Services and Public Safety.