Psychometric properties of the Patient Health Questionnaire-4 (PHQ-4) in 9230 adults across seven European countries: Findings from the ESTSS ADJUST study.

Kazlauskas, E., Gelezelyte, O., Kvedaraite, M., Ajdukovic, D., Johannesson, K. B., Böttche, M., Bondjers, K., Dragan, M., Figueiredo-Braga, M., Grajewski, P., Anastassiou-Hadjicharalambous, X., Javakhishvili, J. D., Lioupi, C., Lueger-Schuster, B., Mouthaan, J., Bagaric, I. R., Sales, L., Schäfer, I., Soydas, S., Tsiskarishvili, L., Zrnic Novakovic, I., Lotzin, A., (2023). Psychometric properties of the Patient Health Questionnaire-4 (PHQ-4) in 9230 adults across seven European countries: Findings from the ESTSS ADJUST study. Elsevier. doi:10.1016/j.jad.2023.05.007