Oliver Perra

Research output

Research output per year 2005 2010 2014 2016 2018 2019 2020 2021 2021

• 42 Article
• 10 Poster
• 8 Paper
• 4 Other report
• 10 More
  • 3 Commissioned report
  • 2 Conference contribution
  • 1 Abstract
  • 1 Other
  • 1 Meeting abstract
  • 1 Comment/debate
  • 1 Discussion paper

Research output per year

Research output per year

Search results

• 2021

  Cerebral palsy in twins and higher multiple births: a Europe‐Australia population‐based study

  The Surveillance Of Cerebral Palsy Europe Group And The Australian Cerebral Palsy Register Group, 01 Jun 2021, In: Developmental Medicine and Child Neurology. 63, 6, p. 712-720

  Research output: Contribution to journal › Article › peer-review

  • Multiple Birth Offspring 100%
  • Quadruplets 77%
  • Twins 75%
  • Cerebral Palsy 75%
  • Confidence Intervals 11%

• Complex childhood trauma, gender and depression: Patterns and correlates of help-seeking and maladaptive coping

  Curran, E., Perra, O., Rosato, M., Ferry, F. & Leavey, G., 01 Sep 2021, In: Journal of Affective Disorders. 292, p. 603-613

  Research output: Contribution to journal › Article › peer-review

  File

  • trauma 100%
  • coping 88%
  • posttraumatic stress disorder 88%
  • childhood 78%
  • Depression 75%
  22 Downloads (Pure)

• Correction to: Very preterm infants engage in an intervention to train their control of attention: results from the feasibility study of the attention control training (ACT) randomised trial

  Perra, O., Wass, S., McNulty, A., Sweet, D., Papageorgiou, K. A., Johnston, M., Bilello, D., Patterson, A. & Alderdice, F., 11 Nov 2021, In: Pilot and Feasibility Studies. 7, 201.

  Research output: Contribution to journal › Comment/debate › peer-review

  Open Access

  File

  • Feasibility Studies 100%
  • Premature Infants 92%
  • Publications 79%
  1 Downloads (Pure)

• Data linkage and pain medication in people with cerebral palsy: a cross-sectional study

  García Jalón, E. G., Maguire, A., Perra, O., Gavin, A., O’Reilly, D. & Thurston, A., Sep 2021, In: Developmental Medicine and Child Neurology. 63, 9, p. 1085-1092 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cerebral Palsy 100%
  • Information Storage and Retrieval 86%
  • Cross-Sectional Studies 62%
  • Pain 55%
  • Proxy 22%
  1 Citation (Scopus)

  9 Downloads (Pure)

• Pandemic-related pregnancy stress among pregnant women during the COVID-19 pandemic in Spain

  Garcia-Silva, J., Caracuel, A., Lozano-Ruiz, A., Alderdice, F., Lobel, M., Perra, O. & Caparros-Gonzalez, R. A., Dec 2021, In: Midwifery. 103, 103163.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Pandemics 100%
  • Spain 91%
  • Pregnant Women 76%
  • Pregnancy 56%
  • Psychometrics 25%
  1 Citation (Scopus)

• Population-based study on the prevalence and clinical profile of adults with cerebral palsy in Northern Ireland

  McConnell, K., Livingstone, E., Perra, O. & Kerr, C., 08 Jan 2021, In: BMJ Open. 11, 1, 6 p., e044614.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Northern Ireland 100%
  • Cerebral Palsy 77%
  • Clinical Studies 51%
  • Cross-Sectional Studies 48%
  • Population 29%
  1 Citation (Scopus)

  58 Downloads (Pure)

• Prevalence and clinical profile of adults with cerebral palsy: a population-based study

  Kerr, C., McConnell, K., Livingstone, E. & Perra, O., 14 Jan 2021, (Accepted).

  Research output: Contribution to conference › Paper › peer-review

  • Cerebral Palsy 100%
  • Population 37%
  • Northern Ireland 32%
  • Health Services 20%
  • Pediatrics 12%

• Prosocial and Aggressive Behavior: A Longitudinal Study

  Hay, D. F., Paine, A. L., Perra, O., Cook, K. V., Hashmi, S., Robinson, C., Kairis, V. & Slade, R., Jun 2021, In: Monographs of the Society for Research in Child Development. 86, 2, p. 7-103 97 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Longitudinal Studies 79%
  • longitudinal study 75%
  • Aggression 64%
  • Child 41%
  • Parents 30%
  23 Downloads (Pure)

• Risk factors for intellectual disability in children with spastic cerebral palsy

  Cummins, D., Kerr, C., McConnell, K. & Perra, O., 16 Mar 2021, (Early online date) In: Archives of Disease in Childhood.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cerebral Palsy 100%
  • Intellectual Disability 90%
  • Muscle Spasticity 58%
  • Child 41%
  • Gestational Age 20%
  8 Downloads (Pure)

• Study Protocol: Prevalence of post traumatic stress disorder in neonatal intensive care units parents - feasibility of using eye movement desensitization therapy as treatment

  Boyle, B., Perra, O., McLaughlin, D. & Lagan, K., 04 Mar 2021.

  Research output: Contribution to conference › Other › peer-review

• Trends in Prevalence and Severity of Pre/Perinatal Cerebral Palsy Among Children Born Preterm From 2004 to 2010: A SCPE Collaboration Study

  Arnaud, C., Ehlinger, V., Delobel-Ayoub, M., Klapouszczak, D., Perra, O., Hensey, O., Neubauer, D., Hollódy, K., Virella, D., Rackauskaite, G., Greitane, A., Himmelmann, K., Ortibus, E., Dakovic, I., Andersen, G. L., Papavasiliou, A., Sellier, E., Platt, M. J. & Krägeloh-Mann, I., 20 May 2021, In: Frontiers in Neurology. 12, 624884.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cerebral Palsy 100%
  • Child 41%
  • Gestational Age 27%
  • Age Groups 22%
  • Brain 15%
  5 Downloads (Pure)

• Very preterm infants engage in an intervention to train their control of attention: results from the feasibility study of the Attention Control Training (ACT) randomised trial

  Perra, O., Wass, S., McNulty, A., Sweet, D., Papageorgiou, K. A., Johnston, M., Bilello, D. & Alderdice, F., 12 Mar 2021, In: Pilot and Feasibility Studies. 7, 23 p., 66.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Feasibility Studies 100%
  • Premature Infants 92%
  • Statistics 21%
  • Health Care Outcome Assessment 17%
  • Eye 16%
  27 Downloads (Pure)
• 2020

  Charting the trajectories of adopted children's emotional and behavioral problems: The impact of early adversity and postadoptive parental warmth

  Paine, A. L., Perra, O., Anthony, R. & Shelton, K. H., 05 May 2020, (Early online date) In: Development and Psychopathology.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Problem Behavior 69%
  • Parenting 49%
  • Adverse Childhood Experiences 32%
  • Multilevel Analysis 29%
  • childhood 27%
  7 Citations (Scopus)

  67 Downloads (Pure)

• Charting the trajectories of adopted children’s emotional and behavioral problems: The impact of early adversity and postadoptive parental warmth

  Paine, A. L., Perra, O., Anthony, R. & Shelton, K. H., 05 May 2020, (Early online date) In: Development and Psychopathology. 15 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Problem Behavior 100%
  • Parenting 71%
  • childhood 49%
  • Adverse Childhood Experiences 46%
  • Protective Factors 34%
  35 Downloads (Pure)

• Continuity and Change in Anger and Aggressiveness from Infancy to Childhood: The Protective Effects of Positive Parenting

  Perra, O., Paine, A. & Hay, D. F., 08 Jul 2020, (Early online date) In: Development and Psychopathology. Early Online, p. xx 20 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Parenting 92%
  • Anger 91%
  • anger 77%
  • continuity 69%
  • childhood 56%
  6 Citations (Scopus)

  94 Downloads (Pure)

• Decreasing cerebral palsy prevalence in multiple births in the modern era: A population cohort study of European data

  Perra, O., Rankin, J., Platt, M. J., Sellier, E., Arnaud, C., De La Cruz, J., Kraegeloh-Mann, I., Sweet, D. & Bjellmo, S., 26 Aug 2020, (Early online date) In: Archives of Disease in Childhood.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Multiple Birth Offspring 100%
  • Cerebral Palsy 75%
  • Cohort Studies 48%
  • Population 28%
  • Parturition 13%
  4 Citations (Scopus)

  39 Downloads (Pure)

• Healthcare use by children and young adults with cerebral palsy

  Carter, B., Bennett, V., Jones, H., Bethel, J., Perra, O., Wang, T. & Kemp, A., 20 Apr 2020, (Early online date) In: Developmental Medicine & Child Neurology. 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cerebral Palsy 100%
  • Young Adult 77%
  • Delivery of Health Care 58%
  • Child 41%
  • Northern Ireland 35%
  5 Citations (Scopus)

  43 Downloads (Pure)

• School bonding and ethos in trajectories of offending: Results from the Belfast Youth Development Study: Results from the Belfast Youth Development Study

  Higgins, K., Perra, O., Jordan, J-A., O'Neill, T. & McCann, M., 17 Feb 2020, (Early online date) In: British Journal of Educational Psychology.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • commitment 100%
  • adolescence 62%
  • school type 46%
  • deprivation 36%
  • Pupil 36%
  1 Citation (Scopus)

  30 Downloads (Pure)

• Training attention control of very preterm infants: protocol for a feasibility study of the Attention Control Training (ACT)

  Perra, O., Wass, S., McNulty, A., Sweet, D., Papageorgiou, K., Johnston, M., Patterson, A., Bilello, D. & Alderdice, F., 10 Feb 2020, In: Pilot and Feasibility Studies. 6, 1, 11 p., 17.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Feasibility Studies 100%
  • Premature Infants 92%
  • Aptitude 43%
  • Executive Function 33%
  • Clinical Trial Protocols 24%
  3 Citations (Scopus)

  38 Downloads (Pure)
• 2019

  Assessing, recognising and managing pain and discomfort in children and young people with Cerebral Palsy

  Perra, O., Kerr, C. & McConnell, K., 2019, QPOL (QUB).

  Research output: Working paper › Discussion paper

  File
  11 Downloads (Pure)

• Frequency and nature of comorbid diagnoses in children with cerebral palsy: a register-based study

  Egbon, J., McConnell, K., Perra, O. & Kerr, C., 20 Sep 2019.

  Research output: Contribution to conference › Paper › peer-review

  • Cerebral Palsy 100%
  • Northern Ireland 64%
  • Child 41%
  • Delivery of Health Care 14%
  • Child Care 12%

• Psychometric validation of the Prenatal Distress Questionnaire (PDQ) in pregnant women in Spain

  Caparros-Gonzalez, R. A., Perra, O., Alderdice, F., Lynn, F., Lobel, M., García-García, I. & Peralta-Ramírez, M. I., Mar 2019, In: Women & Health. 16 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Spain 100%
  • Psychometrics 96%
  • Pregnant Women 83%
  • Statistical Factor Analysis 39%
  • Checklist 28%
  16 Citations (Scopus)

  550 Downloads (Pure)

• Saudi women experiences of respectful maternity care at childbirth facilities: a qualitative study

  Alghamdi, R., Stockdale, J., Boyle, B. & Perra, O., 12 Nov 2019.

  Research output: Contribution to conference › Poster › peer-review

• Testing new UK standards for Public Involvement in Research in a Cerebral Palsy register

  Kerr, C., McConnell, K., Savage, H. & Perra, O., 19 Sep 2019.

  Research output: Contribution to conference › Poster › peer-review

  • Group 100%
  • communications 69%
  • legal requirements 49%
  • data protection 46%
  • time 43%

• The longitudinal relationship of alcohol problems and depressive symptoms and the impact of externalising symptoms: findings from the Belfast Youth Developmental Study

  Homman, L. E., Perra, O., Higgins, K. & O'Neill, F., 22 Mar 2019, (Early online date) In: Social Psychiatry and Psychiatric Epidemiology. p. 1-11

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Alcohols 100%
  • Depression 87%
  • Growth 44%
  • Northern Ireland 29%
  129 Downloads (Pure)

• Trends in the prevalence and motor severity of cerebral palsy in Northern Ireland: a register-based study

  McConnell, K., Kerr, C. & Perra, O., 2019, (Accepted).

  Research output: Contribution to conference › Poster › peer-review

• UK standards for Public Involvement in Research: a ‘test-bed’ project with the Northern Ireland Cerebral Palsy Register

  Kerr, C., McConnell, K., Savage, H. & Perra, O., 2019, (Accepted).

  Research output: Contribution to conference › Poster › peer-review
• 2018

  A population-based data-linkage study of prescribed pain medications dispensed to persons with cerebral palsy

  Garcia Jalon, G., Maguire, A., Perra, O., Gavin, A., O'Reilly, D. & Thurston, A., 13 Jun 2018, In: International Journal of Population Data Science. 3, 2

  Research output: Contribution to journal › Meeting abstract › peer-review

  Open Access

  File

  • Medication 100%
  • Pain 97%
  • Cerebral Palsy 87%
  • pain 79%
  • Information Storage and Retrieval 75%
  176 Downloads (Pure)

• A Study of Health and Social Care Professionals’ Family Focused Practice with Parents who have Mental Illness, their Children and Families in Northern Ireland MAIN REPORT

  Grant, A., Lagdon, S., Devaney, J., Davidson, G., Duffy, J., Galway, K., Perra, O. & Leavey, G., 2018, 246 p.

  Research output: Book/Report › Commissioned report

  Open Access

  File

  • mental illness 100%
  • health care 77%
  • mental health 8%
  • child welfare 8%
  • research planning 6%
  593 Downloads (Pure)

• A Study of Health and Social Care Professionals’ Family Focused Practice with Parents who have Mental Illness, their Children and Families in Northern Ireland SUMMARY REPORT

  Grant, A., Lagdon, S., Devaney, J., Davidson, G., Duffy, J., Galway, K., Perra, O. & Leavey, G., 2018, (Unpublished) 53 p.

  Research output: Book/Report › Commissioned report

  File
  63 Downloads (Pure)

• Exploring the Level of Respect Provided To Women During Childbirth at Healthcare Facilities in Saudi Arabia: A Mixed Methods Study Protocol

  Alghamdi, R., Perra, O., Boyle, B. & Stockdale, J., 21 Nov 2018.

  Research output: Contribution to conference › Poster › peer-review

• Exploring the women’s experiences of mistreatment during childbirth at healthcare facilities in Arab countries: A systematic review

  Alghamdi, R., Stockdale, J., Boyle, B. & Perra, O., 29 Nov 2018.

  Research output: Contribution to conference › Poster › peer-review

• Informants' ratings of activity level in infancy predict ADHD symptoms and diagnoses in childhood

  Meeuwsen, M., Perra, O., van Goozen, S. H. M. & Hay, D. F., 15 Oct 2018, (Early online date) In: Development and Psychopathology. 15 p., 15.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • ADHD 100%
  • Attention Deficit Disorder with Hyperactivity 96%
  • childhood 64%
  • Infant Behavior 52%
  • Child 41%
  5 Citations (Scopus)

  267 Downloads (Pure)

• Pain medication dispensed for persons with cerebral palsy: a population-based data-linkage study

  Garcia Jalon, E., Maguire, A., Perra, O., Kerr, C., Gavin, A., O'Reilly, D. & Thurston, A., Mar 2018, p. 30. 1 p.

  Research output: Contribution to conference › Paper › peer-review

  • Neurology 100%
  • Cerebral Palsy 99%
  • Information Storage and Retrieval 85%
  • Medicine 69%
  • Pain 54%

• Right from the start: protocol for a pilot study for a randomised trial of the New Baby Programme for improving outcomes for children born to socially vulnerable mothers: protocol for a pilot study for a randomised trial of the New Baby Programme for improving outcomes for children born to socially vulnerable mothers

  Macdonald, G., Alderdice, F., Clarke, M., Perra, O., Lynn, F., McShane, T. & Millen, S., 02 Feb 2018, In: Pilot and Feasibility Studies. 4, 44, 14 p., 44.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Mothers 100%
  • Child 68%
  • Vulnerable Populations 65%
  • Northern Ireland 42%
  • Maternal Health 35%
  220 Downloads (Pure)

• The Belfast Youth Development Study (BYDS): a prospective cohort study of the initiation, persistence and desistance of substance use from adolescence to adulthood in Northern Ireland

  Higgins, K., McLaughlin, A., Perra, O., McCartan, C., McCann, M., Percy, A. & Jordan, J-A., 23 May 2018, In: PLoS ONE. 13, 5, 18 p., e0195192.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Northern Ireland 100%
  • Cohort Studies 50%
  • Siblings 19%
  • Information Storage and Retrieval 19%
  • Research Personnel 14%
  4 Citations (Scopus)

  239 Downloads (Pure)
• 2017

  Preliminary evaluation of the Well-being in Pregnancy (WiP) Questionnaire

  Alderdice, F., McNeill, J., Gargan, P. & Perra, O., Jun 2017, In: Journal of Psychosomatic Obstetrics and Gynecology. 38, 2, p. 133-142 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • well-being 78%
  • Pregnancy 70%
  • questionnaire 59%
  • evaluation 53%
  • Psychometrics 23%
  3 Citations (Scopus)

  757 Downloads (Pure)
• 2016

  Assessing elements of a family approach to reduce adolescent drinking frequency: parent-adolescent relationship, knowledge management, and keeping secrets

  McCann, M., Perra, O., McLaughlin, A., McCartan, C. & Higgins, K., 06 Apr 2016, In: Addiction. 111, 5, p. 843-853

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Underage Drinking 100%
  • Knowledge Management 97%
  • Confidentiality 72%
  • Alcohols 53%
  • Child 31%
  17 Citations (Scopus)

  214 Downloads (Pure)

• Children and Young People with Cerebral Palsy in Northern Ireland (1981-2008): A comprehensive report from the Northern Ireland Cerebral Palsy Register

  Perra, O., 2016, HSC R&D, Public Health Agency, Northern Ireland.

  Research output: Book/Report › Other report

• If You Go Down to the Woods Today: Infants’ Distress During a Teddy Bear’s Picnic in Relation to Peer Relations and Later Emotional Problems

  Hay, D. F., Mundy, L., Phillips, R., Roberts, S., Meeuwsen, M., Goodyear, I. & Perra, O., 24 Nov 2016, (Early online date) In: Infancy : the official journal of the International Society on Infant Studies. 19 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Ursidae 100%
  • scenario 18%
  • reproductive behavior 10%
  • Social Behavior 9%
  • sociability 9%
  7 Citations (Scopus)

  247 Downloads (Pure)

• Parental alcohol use and resilience in young people: A study of family, peer and school processes. Short report.

  McLaughlin, A., O'Neill, T., McCartan, C., Percy, A., Perra, O., Higgins, K. & McCann, M., 08 Mar 2016, HSC R&D, Public Health Agency, Northern Ireland. 20 p.

  Research output: Book/Report › Other report

  Open Access

  File

  • alcohol 88%
  • mental health 79%
  • education 35%
  453 Downloads (Pure)

• Phonic skills mediate improved literacy outcomes in at-risk primary school children: results from the Ready-to-Learn Programme

  Perra, O., Macdonald, G., McCann, M., Neeson, L. & O'Neill, N., 2016.

  Research output: Contribution to conference › Poster › peer-review

  • Literacy 100%
  • Reading 52%
  • Child 36%
  • Academic Failure 20%
  • Aptitude 16%

• The association between spastic Cerebral Palsy, intellectual impairment, and gestational age: results from the Northern Ireland Cerebral Palsy Register

  Perra, O., Garcia Jalon, G. & Cummings, C., 2016. 1 p.

  Research output: Contribution to conference › Poster › peer-review

  File

  • Northern Ireland 100%
  • Cerebral Palsy 77%
  • Gestational Age 64%
  • Hemiplegia 54%
  • Muscle Spasticity 54%
  43 Downloads (Pure)

• Transitions in Contentious Behaviour in Infancy and Later Aggressive Conduct Problems

  Perra, O. & Hay, D. F., 2016.

  Research output: Contribution to conference › Paper › peer-review

  • Anger 100%
  • Child Behavior 49%
  • National Health Programs 47%
  • Aggression 47%
  • Fathers 44%
• 2015

  Associations between Maternal Postnatal Depression and Infants’ Social Learning Abilities

  Perra, O., Phillips, R., Fyfield, R., Waters, C. & Hay, D. F., Mar 2015.

  Research output: Contribution to conference › Poster › peer-review

  File
  64 Downloads (Pure)

• Does mothers' postnatal depression influence the development of imitation?

  Perra, O., Phillips, R., Fyfield, R., Waters, C. & Hay, D. F., 01 Nov 2015, In: Journal of Child Psychology and Psychiatry. 56, 11, p. 1231-1238 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Postpartum Depression 100%
  • imitation 87%
  • Mothers 49%
  • Mother-Child Relations 26%
  • Learning 21%
  11 Citations (Scopus)

  250 Downloads (Pure)

• Parent ratings of child cognition and language compared with Bayley-III in preterm 3-year-olds

  Perra, O., McGowan, J. E., Grunau, R. E., Boylan Doran, J., Craig, S., Johnston, L., Jenkins, J., Holmes, V. A. & Alderdice, F. A., Mar 2015, In: Early human development. 91, 3, p. 211-216 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Child Language 100%
  • Cognition 58%
  • Aptitude 33%
  • Child 32%
  • Mothers 31%
  4 Citations (Scopus)

  823 Downloads (Pure)
• 2014

  Adolescent ecstasy use and depression: cause and effect, or two outcomes of home environment?

  McCann, M., Higgins, K., Perra, O., McCartan, C. & McLaughlin, A., 2014, In: European journal of public health. 24, 5, p. 845-850 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Depression 100%
  • mood 73%
  • Emotions 72%
  • Cannabis 64%
  • life situation 52%
  5 Citations (Scopus)

  247 Downloads (Pure)

• Behavioural outcomes at 3 years of age among late preterm infants admitted to neonatal intensive care: a cohort study

  Boylan, J., Alderdice, F. A., McGowan, J. E., Craig, S., Perra, O. & Jenkins, J., Sep 2014, In: Archives of Disease in Childhood - Fetal and Neonatal Edition. 99, 5, p. 359-365

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Neonatal Intensive Care 100%
  • Premature Infants 71%
  • Cohort Studies 50%
  • Child Behavior 20%
  • Checklist 18%
  6 Citations (Scopus)

  312 Downloads (Pure)

• Findings from the Barnardo’s 'Ready to Learn’ Programme

  Macdonald, G., Perra, O., Neeson, L. & O'Neill, N., 2014, Belfast: Barnardo's NI. 28 p.

  Research output: Book/Report › Commissioned report