Longitudinal mental health data collected via the Corona Health smartphone app during COVID-19.

The Corona Health app dataset contains baseline data from 2,704 adult participants living in Germany.

• Participants were adults aged 18 years and older living in Germany.
• The app was available on both Android and iOS platforms.
• The app was multilingual.
• Data collection spanned from July 2020 to January 2025.

The dataset includes 11,541 repeated ecological momentary assessment (EMA) responses providing longitudinal mental health data.

• EMA responses were collected across various phases of the pandemic period.
• Data collection covered the period between July 2020 and January 2025.
• The longitudinal design allows examination of mental health trajectories during and after COVID-19.

The questionnaires assessed multiple mental health domains including quality of life, psychological well-being, coping mechanisms, and pandemic-related concerns.

• Domains assessed included quality of life, psychological well-being, coping mechanisms, and pandemic-related concerns.
• The dataset enables analysis of relationships between psychological factors and pandemic experiences.
• The dataset also enables investigation of patterns in longitudinal mental health data.

In addition to questionnaire responses, the dataset includes sensor data such as GPS location information and app usage statistics.

• Sensor data included GPS location information and app usage statistics.
• Sensor data were collected with participant consent.
• The combination of self-report and sensor data provides a multi-modal dataset for mental health research.