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Table 2 Summary of key features of Psychological Support for Personality (PSP) compared to other psychological interventions tested in clinical trials

From: Psychological Support for Personality (PSP) versus treatment as usual: study protocol for a feasibility randomized controlled trial of a low intensity intervention for people with personality disorder

Feature of the intervention

Psychological Support for Personality

Web-based psychoeducation [20]

Manual assisted cognitive therapy [19]

Mentalization Based Treatment [30, 31]

Dialectical Behaviour Therapy [28, 29]

Target group

Adults with personality disorder

Women with borderline personality disorder

Adults with borderline personality disorder who self-harm

Adults with borderline personality disorder

Adults with borderline personality disorder

Mode(s) of delivery

Individual sessions plus telephone support

Access to web-based psychoeducation

Individual sessions plus booklet

Group and individual sessions plus telephone support

Group and individual sessions plus telephone support

Content of sessions

Information on personality, personality disorder, validation and acceptance. Tailored psychological support aimed at promoting metalizing and distress tolerance

Information about borderline personality, disorder and role of psychological and pharmacological treatments

Strategies for emotional regulation, problem-solving, management of negative thinking and substance misuse

Methods for promoting mentalizing and improving a person’s mental health and interpersonal functioning

Behavioural skills coaching in areas including mindfulness, emotion regulation and distress tolerance

Delivered by

Clinical staff who are experienced in working with people with personality disorder and receive regular supervision

Content of website developed by clinicians with expertise in borderline personality disorder

Clinical staff who have received a three-day and receive regular supervision

Clinical staff who have received a minimum of three days training and receive regular supervision

Mental health professionals who have been trained to deliver DBT and receive regular supervision

Frequency of sessions

Flexible (usually once a week or one a fortnight)

Service users able to access website whenever they choose

Weekly sessions

Weekly individual sessions and weekly groups

Weekly individual sessions and weekly groups. Telephone consultations as required.

Length of sessions

45 to 60 minutes

Determined by the service user

30 to 60 minutes

Groups last 75 to 90 minutes

60 minute individual sessions 150 minute groups

Length of treatment

Flexible (three to six months)

Determined by the service user

Six weeks

18 months

12 to 18 months

Total number of sessions

Six to ten sessions

Determined by the service user

Six sessions

100 to 150 sessions*

100 sessions*

  1. *Exact number and length of sessions varies in clinical practice. These data are from publications of randomised trials of the interventions