# A Machine Learning Approach for Detecting Digital Behavioral Patterns of Depression Using Nonintrusive Smartphone Data (Complementary Path to Patient Health Questionnaire-9 Assessment): Prospective Observational Study

> Research article (JMIR Formative Research, 2022) · cited 25× · AI/ML

**Wikidata**: [openalex:W4223909169](https://www.wikidata.org/wiki/openalex:W4223909169)  
**Source**: https://4ort.xyz/entity/a-machine-learning-approach-for-detecting-digital-behavioral-patterns-of-depression-using-nonintrusive-smartphone-data-c