Article

Duncan, Laura and McCrystal, Patrick (2002) School exclusion and adolescent drug use in Northern Ireland: a problem being addressed? Child Care in Practice, 8, (3), pp. 176-186. 10.1080/1357527022000040390.

Higgins, Kathryn and Percy, Andrew and McCrystal, Patrick (2004) Secular trends in substance use: the conflict and young people in Northern Ireland. Journal of Social Issues, 60, (3), pp. 485-506. https://doi.org/10.1111/j.0022-4537.2004.00368.x.

McAloney, Kareena and McCrystal, Patrick and Percy, Andrew (2010) Sex, drugs and STDs: Preliminary findings from the Belfast Youth Development Study. Drugs: Education, Prevention, and Policy, 17, (4), pp. 443-453. https://doi.org/10.3109/09687630903074826.

McAloney, Kareena and McCrystal, Patrick and Percy, Andrew and McCartan, Claire (2009) Damaged youth: Prevalence of community violence exposure and implications for adolescent well-being in a post conflict society. Journal of Community Psychology, 37, (5), pp. 635-648. https://doi.org/10.1002/jcop.20322.

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

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 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 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 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 (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 (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 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 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 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 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 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) 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 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 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 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 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.

Percy, Andrew and MdAlister, Siobhan and Higgins, Kathryn and McCrystal, Patrick and Thornton, Maeve (2005) Response consistency in young adolescents' drug use self-reports: a recanting rate analysis. Addiction, 100, (2), pp. 189-196. https://doi.org/10.1111/j.1360-0443.2004.00943.x.

Percy, Andrew and Thornton, Maeve and McCrystal, Patrick (2008) The extent and nature of family alcohol and drug use: findings from the Belfast youth development study. Child Abuse Review, 17, (6), pp. 371-386. /10.1002/car.1046.

Perra, Oliver and Fletcher, Adam and Bonell, Chris and Higgins, Kathryn and McCrystal, Patrick (2012) School-related predictors of smoking, drinking and drug use: evidence from the Belfast Youth Development Study. Journal of Adolescence, 35, (2), pp. 315-324. doi: 10.1016/j.adolescence.2011.08.009.

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.

Percy, Andrew and Wilson, Joanne and McCartan, Claire and McCrystal, Patrick (2011) Teenage drinking cultures. York: Joseph Rowntree Foundation.