Motivation for change and self-efficacy by participating in an online-based self-help program for people affected by skin picking (dermatatomania)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00017808

Enrollment

Registered

2019-12-02

Start date

2019-08-02

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

DSM-5: Excoriation (Skin Picking) Disorder, Hairpulling Disorder, Other Specified Obsessive-Compulsive and Related Disorder (Body-focused repetitive behavior disorder) F63.9

Interventions

Group 1: 1. Pre-assessment 2-1. Participation in the self-help program (total duration 12 weeks) 2-2. Assessments during participation in the self-help program 3. Post-Assessment 4. Follow-up assessme

Eligibility

Sex/Gender

All

Age

16 Years to 65 Years

Inclusion criteria

Inclusion criteria: People affected by skin picking, aged 16 to 65. Skin picking should result in significant impairment regarding working, managing the household or interacting with other people during the past four weeks. Participants should have the technical resources needed for working with the online self-help program.

Exclusion criteria

Exclusion criteria: none

Design outcomes

Primary

Measure	Time frame
Before, during and after participation in the self-help program, participants complete questionnaires sent by e-mail. The first assessment will be completed just before the start of the self-help program. Subsequently, the participants get their log-in data for the self-help program. 2, 10 and 12 weeks after the beginning of the self-help program, they will complete the following questionnaires. The first assessments contains socio-demographic questions, a short screenings for skin picking, the German version of Skin Picking Scale (mSPS-D), the German version of Skin Picking Impact Scale (SPIS-D), the Skin Picking Reward Scale (SPRS), the German version of Hospital Anxiety and Depression Scale (HADS-D), a questionnaire about resources and self-management ability (Ferus) as well as self-adjusted scales for change motivation and self-efficacy in relation to skin picking and participants' expectations of the self-help program. The second and third assessment include questions about their process in the self-help program, mSPS-D, SPIS-D, Ferus, self-adjusted scales for motivation to change and self-efficacy in relation to skin picking and expectations regarding participation in the self-help program. The final assessment contains questions about the process status of the self-help program, all contents from the first assessment (minus socio demographic questions) and 12 additional questions for the evaluation of the self-help program.	—

Measure

Time frame

Before, during and after participation in the self-help program, participants complete questionnaires sent by e-mail. The first assessment will be completed just before the start of the self-help program. Subsequently, the participants get their log-in data for the self-help program. 2, 10 and 12 weeks after the beginning of the self-help program, they will complete the following questionnaires. The first assessments contains socio-demographic questions, a short screenings for skin picking, the German version of Skin Picking Scale (mSPS-D), the German version of Skin Picking Impact Scale (SPIS-D), the Skin Picking Reward Scale (SPRS), the German version of Hospital Anxiety and Depression Scale (HADS-D), a questionnaire about resources and self-management ability (Ferus) as well as self-adjusted scales for change motivation and self-efficacy in relation to skin picking and participants' expectations of the self-help program. The second and third assessment include questions about their process in the self-help program, mSPS-D, SPIS-D, Ferus, self-adjusted scales for motivation to change and self-efficacy in relation to skin picking and expectations regarding participation in the self-help program. The final assessment contains questions about the process status of the self-help program, all contents from the first assessment (minus socio demographic questions) and 12 additional questions for the evaluation of the self-help program.

—

Secondary

Measure	Time frame
Six months after receiving the log-in data and the start of the self-help program, the participants will be sent another questionnaire. This questionnaire contains all the questions from the first questionnaire, apart from socio-demographic information. In addition participants are asked, up to which chapter they worked with the self-help program.	—

Countries

Germany

Contacts

Public ContactLinda Mehrmann

Lehrstuhl für Klinische Psychologie und Psychotherapie Universität zu Köln

linda.mehrmann@uni-koeln.de0221-470-6854

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026