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Tyrrell, Edward G., Kendrick, Denise, Sayal, Kapil and Orton, Elizabeth (2018) Poisoning substances taken by young people: a population-based cohort study. British Journal of General Practice . ISSN 1478-5242

Wadman, Ruth, Vostanis, Panos, Sayal, Kapil, Majumder, P., Harroe, C., Clarke, David, Armstrong, Marie and Townsend, Ellen (2018) An interpretative phenomenological analysis of young people’s self-harm in the context of interpersonal stressors and supports: parents, peers and clinical services. Social Science & Medicine . ISSN 0277-9536 (In Press)

Prasad, Vibhore, West, Joe, Sayal, Kapil and Kendrick, Denise (2018) Injury among children and young people with and without attention deficit-hyperactivity disorder in the community: the risk of fractures, thermal injuries and poisonings. Child: Care, Health and Development . ISSN 0305-1862 (In Press)

Lockwood, Joanna, Townsend, Ellen, Royes, Leonie, Daley, David and Sayal, Kapil (2018) What do young adolescents think about taking part in longitudinal self-harm research?: findings from a school-based study. Child and Adolescent Psychiatry and Mental Health, 12 (23). pp. 1-13. ISSN 1753-2000

Hall, Charlotte L., James, Marilyn, Brown, Sue, Martin, Jennifer L., Brown, Nikki, Selby, Kim, Clarke, Julie, Vijayan, Hena, Guo, Boliang, Sayal, Kapil, Hollis, Chris and Groom, Madeleine J. (2018) Protocol investigating the clinical utility of an objective measure of attention, impulsivity and activity (QbTest) for optimising medication management in children and young people with ADHD ‘QbTest Utility for Optimising Treatment in ADHD’ (QUOTA): a feasibility randomised controlled trial. BMJ Open, 8 (2). e021104/1-e021104/9. ISSN 2044-6055

Hollis, Chris, Hall, Charlotte L., Guo, Boliang, James, Marilyn, Boadu, Janet, Groom, Madeleine J., Brown, Nikki, Kaylor-Hughes, Catherine, Moldavsky, Maria, Valentine, Althea Z., Walker, Gemma M., Daley, David, Sayal, Kapil and Morriss, Richard (2018) The impact of a computerised test of attention and activity (QbTest) on diagnostic decision-making in children and young people with suspected ADHD: single-blind randomised controlled trial. Journal of Child Psychology and Psychiatry . ISSN 1469-7610

Prasad, Vibhore, West, Joe, Kendrick, Denise and Sayal, Kapil (2018) Attention-deficit/hyperactivity disorder: variation by socio-economic deprivation. Archives of Disease in Childhood . ISSN 1468-2044

Wadman, Ruth, Clarke, David, Sayal, Kapil, Armstrong, Miriam, Harroe, C., Majumder, P., Vostanis, Panos and Townsend, Ellen (2017) A sequence analysis of patterns in self-harm in young people with and without experience of being looked-after in care. British Journal of Clinical Psychology, 56 (4). pp. 388-407. ISSN 2044-8260

Sayal, Kapil, Prasad, Vibhore, Daley, David, Ford, Tamsin and Coghill, David (2017) ADHD in children and young people: prevalence, care pathways & service provision. Lancet Psychiatry, 5 (2). pp. 175-186. ISSN 2215-0374

Sayal, Kapil, Chudal, Roshan, Hinkka-Yli-Salomäki, Susanna, Joelsson, Petteri and Sourander, Andre (2017) Relative age within the school year and diagnosis of attention-deficit hyperactivity disorder: a nationwide population-based study. Lancet Psychiatry, 4 (11). pp. 868-875. ISSN 2215-0374

Man, Kenneth K.C., Coghill, David, Chan, Esther W., Lau, Wallis C.Y., Hollis, Chris, Liddle, Elizabeth, Banaschewski, Tobias, McCarthy, Suzanne, Neubert, Antje, Sayal, Kapil, Ip, Patrick, Schuemie, Martijn J., Sturkenboom, Miriam, Sonuga-Barke, Edmund, Buitelaar, Jan, Carucci, Sara, Zuddas, Alessandro, Kovshoff, Hanna, Garas, Peter, Nagy, Peter, Inglis, Sarah K., Konrad, Kerstin, Häge, Alexander, Rosenthal, Eric and Wong, Ian C.K. (2017) Association of risk of suicide attempts with methylphenidate treatment. JAMA Psychiatry, 74 (10). pp. 1048-1055. ISSN 2168-6238

Tyrrell, Edward G., Orton, Elizabeth, Sayal, Kapil, Baker, Ruth and Kendrick, Denise (2017) Differing patterns in intentional and unintentional poisonings among young people in England, 1998-2014: a population based cohort study. Journal of Public Health, 39 (2). e1-e9. ISSN 1741-3850

Nielsen, Emma, Sayal, Kapil and Townsend, Ellen (2017) Functional coping dynamics and experiential avoidance in a community sample with no self-injury vs. non-suicidal self-injury only vs. those with both non-suicidal self-injury and suicidal behaviour. International Journal of Environmental Research and Public Health, 14 (6). 575/1-575/13. ISSN 1660-4601

Lockwood, Joanna, Daley, David, Townsend, Ellen and Sayal, Kapil (2017) Impulsivity and self-harm in adolescence: a systematic review. European Child & Adolescent Psychiatry, 26 (4). pp. 387-402. ISSN 1435-165X

Hall, Charlotte L., Valentine, Althea, Walker, Gemma M., Ball, Harriet M., Cogger, Heather, Daley, David, Groom, Madeleine J., Sayal, Kapil and Hollis, Chris (2017) Study of user-experience of an objective test (QbTest) to aid ADHD assessment and medication management: a multi-methods approach. BMC Psychiatry, 17 . 66/1-66/12. ISSN 1471-244X

Smith, Elizabeth, Meyer, Brenda J., Koerting, Johanna, Laver-Bradbury, Cathy, Lee, Louise, Jefferson, Harriet, Sayal, Kapil, Treglown, Luke, Thompson, Margaret and Sonuga-Barke, Edmund J.S. (2017) Preschool hyperactivity specifically elevates long-term mental health risks more strongly in males than females: a prospective longitudinal study through to young adulthood. European Child & Adolescent Psychiatry, 26 (1). pp. 123-136. ISSN 1435-165X

Nielsen, Emma, Sayal, Kapil and Townsend, Ellen (2017) Dealing with difficult days: functional coping dynamics in self-harm ideation and enactment. Journal of Affective Disorders, 2018 . pp. 330-337. ISSN 1573-2517

Merrell, Christine, Sayal, Kapil, Tymms, Peter and Kasim, Adetayo (2017) A longitudinal study of the association between inattention, hyperactivity and impulsivity and children’s academic attainment at age 11. Learning and Individual Differences, 53 . pp. 156-161. ISSN 1041-6080

Townsend, Ellen, Wadman, Ruth, Sayal, Kapil, Armstrong, M., Harroe, C., Majumder, P., Vostanis, P. and Clarke, David (2016) Uncovering key patterns in self-harm in adolescents: sequence analysis using the card sort task for self-harm (CaTS). Journal of Affective Disorders, 206 . pp. 161-168. ISSN 1573-2517

Man, Kenneth K.C., Coghill, David, Chan, Esther W., Lau, Wallis C.Y., Hollis, Chris, Liddle, Elizabeth, Banschewski, Tobias, McCarthy, Suzanne, Neuberg, Antje, Sayal, Kapil, Ip, Patrick and Wong, Ian C.K. (2016) Methylphenidate and the risk of psychotic disorders and hallucinations in children and adolescents in a large health system. Translational Psychiatry, 6 . e956. ISSN 2158-3188

Schmahl, Christian, Nielsen, Emma, Sayal, Kapil and Townsend, Ellen (2016) Exploring the relationship between experiential avoidance, coping functions and the recency and frequency of self-harm. PLoS ONE, 11 (7). e0159854. ISSN 1932-6203

Sayal, Kapil, Taylor, John A., Valentine, Althea, Guo, Boliang, Sampson, Christopher James, Sellman, Edward, James, Marilyn, Hollis, Chris and Daley, David (2016) Effectiveness and cost-effectiveness of a brief school-based group programme for parents of children at risk of ADHD: a cluster randomised controlled trial. Child: Care, Health and Development, 42 (4). pp. 521-533. ISSN 1365-2214

Wadman, Ruth, Clarke, David, Sayal, Kapil, Vostanis, Panos, Armstrong, Marie, Harroe, Caroline, Majumder, Pallab and Townsend, Ellen (2016) An interpretative phenomenological analysis of the experience of self-harm repetition and recovery in young adults. Journal of Health Psychology . pp. 1-11. ISSN 1461-7277

Hall, Charlotte L., Taylor, John A., Newell, Karen, Baldwin, Laurence, Sayal, Kapil and Hollis, Chris (2016) The challenges of implementing ADHD clinical guidelines and research best evidence in routine clinical care settings: Delph survey and mixed-methods study. British Journal of Psychiatry Open, 2 (1). pp. 25-31. ISSN 1472-1465

Hall, Charlotte L., Taylor, John, Newell, Karen, Baldwin, Laurence, Sayal, Kapil and Hollis, Chris (2016) The challenges of implementing ADHD clinical guidelines and research best evidence in routine clinical care settings: a Delphi survey and mixed-methods study. BJPsych open, 2 (1). pp. 25-31. ISSN 2056-4724

Hall, Charlotte L., Valentine, Althea, Groom, Madeleine J., Walker, Gemma M., Sayal, Kapil, Daley, David and Hollis, Chris (2015) The clinical utility of the continuous performance test and objective measures of activity for diagnosing and monitoring ADHD in children: a systematic review. European Child & Adolescent Psychiatry . ISSN 1435-165X

Taylor, John A., Valentine, Althea Z., Sellman, Edward, Bransby-Adams, Kate, Daley, David and Sayal, Kapil (2015) A qualitative process evaluation of a randomised controlled trial of a parenting intervention in community (school) settings for children at risk of attention deficit hyperactivity disorder (ADHD). BMC Psychiatry, 15 (290). pp. 1-11. ISSN 1471-244X

Hall, Charlotte L., Moldavsky, Maria, Taylor, John A., Marriott, Michael, Goodman, Robert, Sayal, Kapil and Hollis, Chris (2015) Innovations in practice: piloting electronic session-by-session monitoring in child and adolescent mental health : a preliminary study. Child and Adolescent Mental Health, 20 (3). pp. 171-174. ISSN 1475-3588

Sayal, Kapil, Mills, Jonathan, White, Kate, Merrell, Christine and Tymms, Peter (2015) Predictors of and barriers to service use for children at risk of ADHD: longitudinal study. European Child & Adolescent Psychiatry, 24 (5). pp. 545-552. ISSN 1018-8827

Sayal, Kapil, Washbrook, Elizabeth and Propper, Carol (2015) Childhood behavior problems and academic outcomes in adolescence: longitudinal population-based study. Journal of the American Academy of Child & Adolescent Psychiatry, 54 (5). 360-368.e2. ISSN 0890-8567

Hall, Charlotte L., Newell, Karen, Taylor, John, Sayal, Kapil and Hollis, Chris (2015) Services for young people with attention deficit/hyperactivity disorder transitioning from child to adult mental health services: a national survey of mental health trusts in England. Journal of Psychopharmacology, 29 (1). pp. 39-42. ISSN 1461-7285

Hall, Charlotte L., Walker, Gemma M., Valentine, Althea Z., Guo, Boliang, Kaylor-Hughes, Catherine, James, Marilyn, Daley, David, Sayal, Kapil and Hollis, Chris (2014) Protocol investigating the clinical utility of an objective measure of activity and attention (QbTest) on diagnostic and treatment decision-making in children and young people with ADHD--'Assessing QbTest Utility in ADHD'(AQUA): a randomised controlled trial. BMJ open, 4 (12). e006838/1-e006838/12. ISSN 2044-6055

Anderson, Rob, Ukoumunne, Obioha C., Sayal, Kapil, Phillips, Rhiannon, Taylor, John A., Spears, Melissa, Araya, Ricardo, Lewis, Glyn, Montgomery, Alan A. and Stallard, Paul (2014) Cost-effectiveness of classroom-based cognitive behaviour therapy in reducing symptoms of depression in adolescents: a trial-based analysis. Journal of Child Psychology and Psychiatry, 55 (12). pp. 1390-1397. ISSN 1469-7610

Prasad, Vibhore, Kendrick, Denise, Sayal, Kapil, Thomas, Sara L. and West, Joe (2014) Injury among children and young adults with epilepsy. Pediatrics, 133 (5). pp. 827-835. ISSN 0031-4005

Hall, Charlotte L., Taylor, John, Moldavsky, Maria, Marriott, Michael, Pass, Sarah, Newell, Karen, Goodman, Robert, Sayal, Kapil and Hollis, Chris (2014) A qualitative process evaluation of electronic session-by-session outcome measurement in child and adolescent mental health services. BMC Psychiatry, 14 (113). pp. 1-11. ISSN 1471-244X

Hall, Charlotte L., Moldavsky, Maria, Baldwin, Laurence, Marriott, Michael, Newell, Karen, Taylor, John, Sayal, Kapil and Hollis, Chris (2013) The use of routine outcome measures in two child and adolescent mental health services: a completed audit cycle. BMC Psychiatry, 13 (270). ISSN 1471-244X

Hall, Charlotte L., Newell, Karen, Taylor, John, Sayal, Kapil, Swift, Katie D. and Hollis, Chris (2013) ‘Mind the gap’ - mapping services for young people with ADHD transitioning from child to adult mental health services. BMC Psychiatry, 13 (186). pp. 1-8. ISSN 1471-244X

Sayal, Kapil, Draper, Elizabeth S., Fraser, Robert, Barrow, Margaret, Smith, George Davey and Gray, Ron (2013) Light drinking in pregnancy and mid-childhood mental health and learning outcomes. BMJ Open, 98 (2). pp. 107-111. ISSN 2044-6055

Sayal, Kapil, Daley, David, James, Marilyn, Yang, Min, Batty, Martin J., Taylor, John A., Pass, Sarah, Sampson, Christopher James, Sellman, Edward, Valentine, Althea and Hollis, Chris (2012) Protocol evaluating the effectiveness of a school-based group programme for parents of children at risk of ADHD: the ‘PArents, Teachers and CHildren WORKing Together (PATCHWORK)’ cluster RCT protocol. BMJ Open, 2 (5). e001783. ISSN 2044-6055

Sayal, Kapil, Daley, David, James, Marilyn, Yang, Min, Batty, Martin J., Taylor, John A., Pass, Sarah, Sampson, Christopher James, Sellman, Edward, Valentine, Althea and Hollis, Chris (2012) Protocol evaluating the effectiveness of a school-based group programme for parents of children at risk of ADHD: The 'PArents, Teachers and CHildren WORKing together (PATCHWORK)' cluster RCT protocol. BMJ Open, 2 (5). 7/1-7/7. ISSN 2044-6055