ONLIFE- Smartphone use and diagnosis of depression

ONLIFE- Smartphone use and diagnosis of depression - ONLIFE

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00010705

Enrollment

400

Registered

2016-09-01

Start date

2016-11-01

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

F32 F33 F34.1

Interventions

Group 1: Patients (N=200

N = 100 patients with episodic depression and N=100 patients with chronic depression) Measuring depression-specific symptoms (IDCL, BDI-II), personality variables (NEO-FFI), Instruments covering fear

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Patients: Diagnosis of Depression (F32.x, F33.x, F34.1), ambulant/stationary psychotherapeutic/psychiatric treatment Control subjects: Physical and mental healthy subjects without mental diseases in their ananmnesis.

Exclusion criteria

Exclusion criteria: Patients: acute suicidal tendency, substance addiction, pregnancy, serious physical/somatic diseases, psychotic disorders, bipolar disorder, insufficient german language skills; Primary Diagnosis: panic disorder, GAD, social phobia, PTSD Control subjects: intake of psychiatric medication, serious physical diseases, pregnancy, psychiatric diagnosis

Design outcomes

Primary

Measure	Time frame
-Measuring depression-specific symptoms (IDCL, BDI-II), personality variables (NEO-FFI), Instruments covering fear, anger, emotionregulation (DERS, STAI, STAXI), resilience (CD-Risc), trauma (CTQ), social networking (SNI), smartphone addiction (SAS-SV) All of this standardized questionnaires will be measured at two times of measurement (at baseline and 6 months later) - Gathering Smartphonedata an their changes regarding depressiv symptoms for 6 Months (GPS, Phoneuse, Calls, SMS/Mails, Apps and Appuse, vibration / mute, Notifications, calendar items, reminders, WLAN On/Off, flightmode on/off, music, frequency of taking pictures and videos, Bluetooth).	—

Measure

Time frame

-Measuring depression-specific symptoms (IDCL, BDI-II), personality variables (NEO-FFI), Instruments covering fear, anger, emotionregulation (DERS, STAI, STAXI), resilience (CD-Risc), trauma (CTQ), social networking (SNI), smartphone addiction (SAS-SV) All of this standardized questionnaires will be measured at two times of measurement (at baseline and 6 months later) - Gathering Smartphonedata an their changes regarding depressiv symptoms for 6 Months (GPS, Phoneuse, Calls, SMS/Mails, Apps and Appuse, vibration / mute, Notifications, calendar items, reminders, WLAN On/Off, flightmode on/off, music, frequency of taking pictures and videos, Bluetooth).

—

Secondary

Measure	Time frame
Differences in covered data regarding chronic / episodic depressive patients and construction of a new test for chronic depression.	—

Countries

Germany

Contacts

Public ContactKatja Alrich

Klinik und Poliklinik für Psychiatrie und Psychotherapie der LMU MünchenSektion Psychosomatische Medizin und Psychotherapie

katja.alrich@med.uni-muenchen.de0176/70882870

Outcome results

None listed

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