Prevalence and Correlates of Individuals Screening Positive for Depression and Anxiety on the PHQ-4 in the German General Population: Findings from the Nationally Representative German Socio-Economic Panel (GSOEP).

Our aim was to estimate the prevalence and correlates of probable depression and anxiety in the general adult population in Germany. Repeated cross-sectional data (i.e., cross-sectional data observed at different time points: year 2012 and year 2014) were derived from the innovation sample of the German Socio-Economic Panel, a population-based study of German households. The validated Patient Health Questionnaire (PHQ-4) was used to measure probable depression and anxiety. In the analytical sample, n equaled 2952 individuals. According to the PHQ-4 cut-off values, 10.4% of the individuals had probable depression and 9.8% of the individuals had probable anxiety. Regressions revealed that the likelihood of depression was positively associated with lower age (OR: 0.98 (95% CI: 0.98-0.99)), being unmarried (and living together with spouse) (OR: 0.75 (0.58-0.98)), worse self-rated health (OR: 1.99 (1.73-2.27)), and more chronic diseases (OR: 1.18 (1.07-1.31)). Furthermore, the likelihood of anxiety was positively associated with being female (OR: 1.36 (95% CI: 1.04-1.76)), lower age (OR: 0.98 (95% CI: 0.97-0.99)), low education (medium education, OR: 0.69 (0.50-0.95)), worse self-rated health (OR: 2.00 (1.74-2.30)), and more chronic diseases (OR: 1.15 (1.03-1.27)). The magnitude of depression and anxiety was highlighted. Clinicians should be aware of the factors associated with probable depression and anxiety.