Sjoerd Sytema

Sjoerd Sytema

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Sjoerd Sytema

Publications by authors named "Sjoerd Sytema"

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Personal Recovery Among Service Users Compared With Siblings and a Control Group: A Critical Note on Recovery Assessment.

Psychiatr Serv 2019 Aug 27:appips201900049. Epub 2019 Aug 27.

University of Groningen, University Medical Center Groningen, University Center for Psychiatry, Groningen, the Netherlands.

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http://dx.doi.org/10.1176/appi.ps.201900049DOI Listing
August 2019

Searching for the optimal number of response alternatives for the distress scale of the four-dimensional symptom questionnaire.

BMC Psychiatry 2019 Mar 29;19(1):103. Epub 2019 Mar 29.

Department of Education and Research, Friesland Mental Health Services, Leeuwarden, The Netherlands.

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http://dx.doi.org/10.1186/s12888-019-2070-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6439967PMC
March 2019

Application of the Patient-Reported Outcomes Measurement Information System (PROMIS) item parameters for Anxiety and Depression in the Netherlands.

Int J Methods Psychiatr Res 2018 12 24;27(4):e1744. Epub 2018 Sep 24.

Department of Psychometrics and Statistics, University of Groningen, Groningen, The Netherlands.

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http://doi.wiley.com/10.1002/mpr.1744
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http://dx.doi.org/10.1002/mpr.1744DOI Listing
December 2018

Person-fit feedback on inconsistent symptom reports in clinical depression care.

Psychol Med 2018 08 27;48(11):1844-1852. Epub 2017 Nov 27.

Interdisciplinary Center Psychopathology and Emotion regulation (ICPE),University of Groningen,University Medical Center Groningen,Groningen,The Netherlands.

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http://dx.doi.org/10.1017/S003329171700335XDOI Listing
August 2018

A Smart Screening Device for Patients with Mental Health Problems in Primary Health Care: Development and Pilot Study.

JMIR Ment Health 2018 May 28;5(2):e41. Epub 2018 May 28.

Department of Education and Research, Friesland Mental Health Services (GGZ Friesland), Leeuwarden, Netherlands.

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http://mental.jmir.org/2018/2/e41/
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http://dx.doi.org/10.2196/mental.9488DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5996179PMC
May 2018

Social support in chat sessions for adolescents and young adults living with a family member with mental illness.

Int J Ment Health Nurs 2018 Apr 1;27(2):683-692. Epub 2017 Jun 1.

Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands.

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http://dx.doi.org/10.1111/inm.12354DOI Listing
April 2018

Study protocol for a prospective cohort study examining the predictive potential of dynamic symptom networks for the onset and progression of psychosis: the Mapping Individual Routes of Risk and Resilience (Mirorr) study.

BMJ Open 2018 01 21;8(1):e019059. Epub 2018 Jan 21.

Department of Psychiatry, Interdisciplinary Center Psychopathology and Emotion Regulation, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.

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http://dx.doi.org/10.1136/bmjopen-2017-019059DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5781162PMC
January 2018

A Fresh Pair of Eyes: A Blind Observation Method for Evaluating Social Skills of Children with ASD in a Naturalistic Peer Situation in School.

J Autism Dev Disord 2016 Sep;46(9):2890-904

Department of Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.

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http://dx.doi.org/10.1007/s10803-016-2829-yDOI Listing
September 2016

Self-expressed strengths and resources of children of parents with a mental illness: A systematic review.

Int J Ment Health Nurs 2016 Apr 22;25(2):102-15. Epub 2015 Dec 22.

Academic Medical Centre, University of Amsterdam, Amsterdam, the Netherlands.

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http://dx.doi.org/10.1111/inm.12176DOI Listing
April 2016

The Autism Diagnostic Observation Schedule, Module 4: Application of the Revised Algorithms in an Independent, Well-Defined, Dutch Sample (n = 93).

J Autism Dev Disord 2016 Jan;46(1):21-30

Interdisciplinary Center for Psychopathology and Emotion Regulation (ICPE), Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.

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http://dx.doi.org/10.1007/s10803-015-2532-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4706589PMC
January 2016

Ecological Momentary Assessments and Automated Time Series Analysis to Promote Tailored Health Care: A Proof-of-Principle Study.

JMIR Res Protoc 2015 Aug 7;4(3):e100. Epub 2015 Aug 7.

University of Groningen, University Medical Center Groningen, University Center for Psychiatry, Groningen, Netherlands.

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http://dx.doi.org/10.2196/resprot.4000DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4705023PMC
August 2015

Paternal influences on treatment outcome of behavioral parent training in children with attention-deficit/hyperactivity disorder.

Eur Child Adolesc Psychiatry 2014 Nov 31;23(11):1071-9. Epub 2014 May 31.

Department of Psychiatry, University of Groningen, University Medical Center Groningen, P.O. Box 660, 9700 AR, Groningen, The Netherlands,

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http://dx.doi.org/10.1007/s00787-014-0557-4DOI Listing
November 2014

Cause-specific mortality among patients with psychosis: disentangling the effects of age and illness duration.

Psychosomatics 2013 Nov-Dec;54(6):536-45. Epub 2013 Sep 4.

Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (FT, HMS). Electronic address:

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http://dx.doi.org/10.1016/j.psym.2013.05.011DOI Listing
September 2014

Early medication discontinuation on long-term recovery outcome in first-episode psychosis--reply.

JAMA Psychiatry 2014 Feb;71(2):208-9

Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.

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http://dx.doi.org/10.1001/jamapsychiatry.2013.3530DOI Listing
February 2014

Flexible Assertive Community Treatment, Severity of Symptoms and Psychiatric Health Service Use, a Real life Observational Study.

Clin Pract Epidemiol Ment Health 2013 28;9:202-9. Epub 2013 Nov 28.

Department of Psychiatry and Psychology, School for Mental Health and Neuroscience MHeNS, Maastricht University, p.o. box 616, Location Vijverdal, 6200 MD, Maastricht, the Netherlands ; King's College London, King's Health Partners Department of Psychosis Studies; Institute of Psychiatry, London, UK.

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http://dx.doi.org/10.2174/1745017901309010202DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3866708PMC
December 2013

A web-based tool to support shared decision making for people with a psychotic disorder: randomized controlled trial and process evaluation.

J Med Internet Res 2013 Oct 7;15(10):e216. Epub 2013 Oct 7.

University of Groningen, University Medical Center, University Center for Psychiatry, Groningen, Netherlands.

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http://www.jmir.org/2013/10/e216/
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http://dx.doi.org/10.2196/jmir.2851DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3806550PMC
October 2013

Recovery in remitted first-episode psychosis at 7 years of follow-up of an early dose reduction/discontinuation or maintenance treatment strategy: long-term follow-up of a 2-year randomized clinical trial.

JAMA Psychiatry 2013 Sep;70(9):913-20

Department of Research and Education, Friesland Mental Health Services, Leeuwarden, the Netherlands2Department of Psychiatry, Rob Giel Research Center, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.

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http://dx.doi.org/10.1001/jamapsychiatry.2013.19DOI Listing
September 2013

Generating personalized advice for schizophrenia patients.

Artif Intell Med 2013 May 15;58(1):23-36. Epub 2013 Feb 15.

University of Groningen, Nijenborgh 9, 9747 AG Groningen, The Netherlands.

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http://dx.doi.org/10.1016/j.artmed.2013.01.002DOI Listing
May 2013

Duration of untreated psychosis and negative symptoms--a systematic review and meta-analysis of individual patient data.

Schizophr Res 2012 Dec 29;142(1-3):12-9. Epub 2012 Sep 29.

Friesland Mental Health Care Service, Department of Education and Research, Leeuwarden, The Netherlands.

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https://linkinghub.elsevier.com/retrieve/pii/S09209964120049
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http://dx.doi.org/10.1016/j.schres.2012.08.017DOI Listing
December 2012

Social inclusion of people with severe mental illness living in community housing programs.

Psychiatr Serv 2012 Nov;63(11):1102-7

University Medical Centre, University of Groningen, Groningen, UCP, CC72, Groningen, The Netherlands.

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http://psychiatryonline.org/doi/abs/10.1176/appi.ps.20110053
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http://dx.doi.org/10.1176/appi.ps.201100538DOI Listing
November 2012

Supported housing and supported independent living in the Netherlands, with a comparison with England.

Community Ment Health J 2012 Jun 19;48(3):321-7. Epub 2011 Jan 19.

University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands.

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http://dx.doi.org/10.1007/s10597-011-9381-1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3371186PMC
June 2012

Dopamine transporter gene moderates response to behavioral parent training in children with ADHD: a pilot study.

Dev Psychol 2012 Mar 19;48(2):567-74. Epub 2011 Dec 19.

Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.

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http://dx.doi.org/10.1037/a0026564DOI Listing
March 2012

Usability evaluation of a web-based support system for people with a schizophrenia diagnosis.

J Med Internet Res 2012 Feb 6;14(1):e24. Epub 2012 Feb 6.

University Center for Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, Netherlands.

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http://dx.doi.org/10.2196/jmir.1921DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3374538PMC
February 2012

Partner attachment as a predictor of long-term response to treatment with couples therapy.

J Sex Marital Ther 2011 ;37(4):286-97

Department of Clinical Psychology, University of Amsterdam, Amsterdam, The Netherlands.

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http://dx.doi.org/10.1080/0092623X.2011.582435DOI Listing
November 2011

Evaluating the CANSAS self-report (CANSAS-P) as a screening instrument for care needs in people with psychotic and affective disorders.

Psychiatry Res 2011 Aug 31;188(3):456-8. Epub 2011 May 31.

University Medical Center Groningen, University Center for Psychiatry (UCP), CC72, P.O. Box 30.001, 9700 RB Groningen, The Netherlands.

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https://linkinghub.elsevier.com/retrieve/pii/S01651781110037
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http://dx.doi.org/10.1016/j.psychres.2011.05.013DOI Listing
August 2011

An online portal on outcomes for Dutch service users.

Psychiatr Serv 2011 Jul;62(7):803

University Medical Center Groningen, P.O. Box 30001, 9700 RB Groningen, The Netherlands.

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http://dx.doi.org/10.1176/ps.62.7.pss6207_0803DOI Listing
July 2011

Standardized ADOS scores: measuring severity of autism spectrum disorders in a Dutch sample.

J Autism Dev Disord 2011 Mar;41(3):311-9

Department of Child and Adolescent Psychiatry, University Medical Center Groningen, Accare Groningen, PO Box 660, 9700 AR, Groningen, The Netherlands.

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http://dx.doi.org/10.1007/s10803-010-1057-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3040310PMC
March 2011

Internet support for adolescents with a mentally ill family member.

Psychiatr Serv 2011 Mar;62(3):322

GGZ Drenthe-Indigo, P.O. Box 10029, 9400 CA Assen, the Netherlands.

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http://dx.doi.org/10.1176/ps.62.3.pss6203_0322DOI Listing
March 2011

Does monitoring need for care in patients diagnosed with severe mental illness impact on Psychiatric Service Use? Comparison of monitored patients with matched controls.

BMC Psychiatry 2011 Mar 21;11:45. Epub 2011 Mar 21.

Department of Psychiatry and Psychology, School for Mental Health and NeuroScience MHeNS, Maastricht University, The Netherlands.

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http://dx.doi.org/10.1186/1471-244X-11-45DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3070633PMC
March 2011

Behavioral parent training as an adjunct to routine care in children with attention-deficit/hyperactivity disorder: moderators of treatment response.

J Pediatr Psychol 2010 Apr 24;35(3):317-26. Epub 2009 Jul 24.

University Center of Child and Adolescent Psychiatry, P.O. Box 660, 9700 AR Groningen, The Netherlands.

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http://dx.doi.org/10.1093/jpepsy/jsp060DOI Listing
April 2010

Improving detection of first-episode psychosis by mental health-care services using a self-report questionnaire.

Early Interv Psychiatry 2009 Nov;3(4):289-95

Friesland Mental Health Services, Department of Education and Research, Leeuwarden, The Netherlands.

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http://dx.doi.org/10.1111/j.1751-7893.2009.00147.xDOI Listing
November 2009

Evaluation of the ADOS revised algorithm: the applicability in 558 Dutch children and adolescents.

J Autism Dev Disord 2009 Sep 19;39(9):1350-8. Epub 2009 May 19.

Department of Child and Adolescent Psychiatry, University Medical Centre Groningen, Groningen, The Netherlands.

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http://dx.doi.org/10.1007/s10803-009-0749-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2727366PMC
September 2009

Clinical recovery in first-episode psychosis.

Schizophr Bull 2009 Mar 5;35(2):362-9. Epub 2008 Nov 5.

University Medical Center Groningen, University Psychiatric Center (5.21), University of Groningen, 9700 RB Groningen, The Netherlands.

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https://academic.oup.com/schizophreniabulletin/article-looku
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http://dx.doi.org/10.1093/schbul/sbn143DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2659307PMC
March 2009

Reconstructing continuity of care in mental health services: a multilevel conceptual framework.

J Health Serv Res Policy 2009 Jan;14(1):52-7

Department of Psychiatry, Erasmus Medical Center, University of Rotterdam, Rotterdam. The Netherlands.

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http://dx.doi.org/10.1258/jhsrp.2008.008039DOI Listing
January 2009

Detection of psychosis by mental health care services; a naturalistic cohort study.

Clin Pract Epidemiol Ment Health 2008 Dec 16;4:29. Epub 2008 Dec 16.

GGZ Friesland, Research Department, Leeuwarden, The Netherlands.

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http://dx.doi.org/10.1186/1745-0179-4-29DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2614988PMC
December 2008

Residential care: Dutch and Italian residents of residential care facilities compared.

Epidemiol Psichiatr Soc 2008 Apr-Jun;17(2):162-5

Department of Psychiatry, University Hospital Groningen, The Netherlands.

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August 2008

Case registers in psychiatry: do they still have a role for research and service monitoring?

Curr Opin Psychiatry 2008 Jul;21(4):379-84

Erasmus MC, University of Rotterdam, Department of Psychiatry, The Netherlands.

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http://dx.doi.org/10.1097/YCO.0b013e328304d99bDOI Listing
July 2008

Case registers in psychiatry: do they still have a role for research and service monitoring?

Curr Opin Psychiatry 2008 Jul;21(4):379-84

Erasmus MC, University of Rotterdam, Department of Psychiatry, The Netherlands.

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http://dx.doi.org/10.1097/YCO.0b013e328304d99bDOI Listing
July 2008

Effectiveness of behavioral parent training for children with ADHD in routine clinical practice: a randomized controlled study.

J Am Acad Child Adolesc Psychiatry 2007 Oct;46(10):1263-1271

Ms. van den Hoofdakker, Ms. van der Veen-Mulders, and Drs. Sytema, Minderaa, and Nauta are with the Department of Psychiatry, University Medical Center Groningen, University of Groningen, The Netherlands; and Dr. Emmelkamp is with the Department of Clinical Psychology, University of Amsterdam, The Netherlands.

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http://dx.doi.org/10.1097/chi.0b013e3181354bc2DOI Listing
October 2007

Predictive validity of proposed remission criteria in first-episode schizophrenic patients responding to antipsychotics.

Schizophr Bull 2007 May 7;33(3):792-6. Epub 2006 Aug 7.

Department of Psychiatry, University Medical Center Groningen, University of Groningen, PO Box 30.001, 9700 R B Groningen, The Netherlands.

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https://academic.oup.com/schizophreniabulletin/article-looku
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http://dx.doi.org/10.1093/schbul/sbl015DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2526146PMC
May 2007

Guided discontinuation versus maintenance treatment in remitted first-episode psychosis: relapse rates and functional outcome.

J Clin Psychiatry 2007 May;68(5):654-61

University Medical Center Groningen, University of Groningen, Department of Psychiatry, Groningen, The Netherlands.

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http://www.psychodyssey.net/wp-content/uploads/2014/01/Guide
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http://dx.doi.org/10.4088/jcp.v68n0502DOI Listing
May 2007

A comparison of central coherence skills between adolescents with an intellectual disability with and without comorbid autism spectrum disorder.

Res Dev Disabil 2006 Mar-Apr;27(2):217-26. Epub 2005 Jul 7.

University of Groningen, Department of Clinical and Developmental Psychology, Grote Kruisstraat 2/1, 9712 TS Groningen, The Netherlands.

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http://dx.doi.org/10.1016/j.ridd.2004.12.005DOI Listing
July 2006

Structural equation analysis of a hypothesised symptom model in the autism spectrum.

J Child Psychol Psychiatry 2006 Jan;47(1):37-44

University of Groningen, Department of Child and Adolescent Psychiatry, The Netherlands.

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http://doi.wiley.com/10.1111/j.1469-7610.2005.01434.x
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http://dx.doi.org/10.1111/j.1469-7610.2005.01434.xDOI Listing
January 2006

Prevalence of pervasive developmental disorders in children and adolescents with mental retardation.

J Child Psychol Psychiatry 2005 Mar;46(3):275-86

Child & Adolescent Psychiatry, University of Groningen, Groningen, The Netherlands.

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http://dx.doi.org/10.1111/j.1469-7610.2004.00346.xDOI Listing
March 2005

The psychometric properties of the Vineland Adaptive Behavior Scales in children and adolescents with mental retardation.

J Autism Dev Disord 2005 Feb;35(1):53-62

Child and Adolescent Psychiatry, University of Groningen, The Netherlands.

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http://dx.doi.org/10.1007/s10803-004-1033-7DOI Listing
February 2005

The identification of trends in the utilisation of mental health services by elderly: a Dutch case register study.

Int J Geriatr Psychiatry 2003 May;18(5):373-80

Department of Psychiatry, Faculty of Medicine, University of Groningen, Groningen, The Netherlands.

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http://dx.doi.org/10.1002/gps.838DOI Listing
May 2003