Results

Effectiveness, sufficiency and suitability

Design and methods of the Helsinki Psychotherapy Study, and results on the effectiveness of the two brief therapies, short-term psychodynamic and solution-focused, during a 1-year follow-up:

    Knekt P, Lindfors O (eds.). A randomized trial of the effect of four forms of psychotherapy on depressive and anxiety disorders. Design, methods, and results on the effectiveness of short-term psychodynamic psychotherapy and solution-focused therapy during a one-year follow-up. Helsinki: The Social Insurance Institution, Studies in social security and health 77, 2004.
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    Maljanen T, Tillman P, Härkänen T, Lindfors O, Laaksonen MA, Haaramo P, Knekt P. The cost-effectiveness of short-term psychodynamic psychotherapy and solution-focused therapy in the treatment of depressive and anxiety disorders during a one-year follow-up. J Ment Health Policy Econ 2012; 15: 13-23.

Results on the effectiveness of the solution-focused therapy, short-term and long-term psychodynamic psychotherapy during a 3-year follow-up:

    Knekt P, Lindfors O, Härkänen T, Välikoski M, Virtala E, Laaksonen MA, Marttunen M, Kaipainen M, Renlund C and the Helsinki Psychotherapy Study Group. Randomized trial on the effectiveness of long- and short-term psychodynamic psychotherapy and solution-focused therapy on psychiatric symptoms during a 3-year follow-up. Psychol Med 2008; 38: 689-703.
    http://www.ncbi.nlm.nih.gov/pubmed/18005493

    Knekt P, Lindfors O, Laaksonen MA, Raitasalo R, Haaramo P, Järvikoski A, the Helsinki Psychotherapy Study Group. Effectiveness of short-term and long-term psychotherapy on work ability and functional capacity - A randomized clinical trial on depressive and anxiety disorders. J Affect Disord 2008; 107: 95-106.
    http://www.ncbi.nlm.nih.gov/pubmed/17804079

    Knekt P, Laaksonen MA, Raitasalo R, Haaramo P, Lindfors O. Changes in lifestyle for psychiatric patients three years after the start of short- and long-term psychodynamic psychotherapy and solution-focused therapy. Eur Psychiatry 2010; 25: 1-7.
    http://www.ncbi.nlm.nih.gov/pubmed/19553088

Reports covering the three randomized psychotherapies and psychoanalysis during a 5-year follow-up:

    Knekt P, Lindfors O, Laaksonen MA, Renlund C, Haaramo C, Härkänen T, Virtala E, and the Helsinki Psychotherapy Study Group. Quasi-experimental study on the effectiveness of psychoanalysis, long-term and short-term psychotherapy on psychiatric symptoms, work ability and functional capacity during a 5-year follow-up. Journal of Affective Disorders 2011, doi:10.1016/j.jad.2011.01.014
    http://www.ncbi.nlm.nih.gov/pubmed/21316768

    Knekt P, Lindfors O, Renlund C, Laaksonen MA, Haaramo P, Virtala E. Use of auxiliary treatment during a 5-year follow-up among patients receiving short- or long-term therapy. J Affect Disord 2011; 135: 221-230.
    http://www.ncbi.nlm.nih.gov/pubmed/21871667

    Knekt P, Laaksonen MA, Härkänen T, Maljanen T, Heinonen E, Virtala E, Lindfors O. The Helsinki Psychotherapy Study: effectiveness, sufficiency, and suitability of short- and long-term psychotherapy. In: Levy R, Ablon JS, Kächele H (eds.). Psychodynamic psychotherapy research. Humana Press, 2012, 71-94.

    Knekt P, Lindfors O, Sares-Jäske L, Virtala E, Härkänen T. Randomized trial on the effectiveness of long- and short-term psychotherapy on psychiatric symptoms and working ability during a 5-year follow-up. Nordic J Psychiatry 2012 May 8. [Epub ahead of print].
    http://www.ncbi.nlm.nih.gov/pubmed/22563790

Reports on the pretreatment predictors of outcomes:

    Marttunen M, Välikoski M, Lindfors O, Laaksonen MA, Knekt P. Pretreatment clinical and psychosocial predictors of remission from depression after short-term psychodynamic psychotherapy and solution-focused therapy: a 1-year follow-up study. Psychother Res 2008; 18: 191-199.
    http://www.ncbi.nlm.nih.gov/pubmed/18815966

    Heinonen E, Lindfors O, Laaksonen MA, Knekt P. Therapists' professional and personal characteristics as predictors of outcome in short- and long-term psychotherapy Journal of Affective Disorders. J Affect Disorders 2012.
    http://dx.doi.org/10.1016/j.jad.2012.01.023

Methodological reports

    Härkänen T, Knekt P, Virtala E, Lindfors O. A case study in comparing therapies involving informative drop-out, non-ignorable non-compliance and repeated measurements. Stat Med 2005; 24: 3773-3787.
    http://www.ncbi.nlm.nih.gov/pubmed/16320283

    Hannula JA, Lahtela K, Järvikoski A, Salminen JK, Mäkelä P. Occupational Functioning Scale (OFS) - An instrument for assessment of work ability in psychiatric disorders. Nord J Psychiatry 2006; 60: 372-378.
    http://www.ncbi.nlm.nih.gov/pubmed/17050295

    Knekt P, Lindfors O, Laaksonen MA. Effectiveness of long-term psychodynamic psychotherapy. Commentary. Evid Based Ment Health 2009; 12: 56.
    http://www.ncbi.nlm.nih.gov/pubmed/19395615

Qualitative research

[2012, May 11th.]

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