Change in mental health (means of PHQ-9 and GAD-7 scales) during the COVID-19 pandemic compared to the previous period; in Model 1 non-adjusted, in Model 2 adjusted for age, household composition, general health, high-risk SARS-CoV-2 contact and infection, and in model 3 additionally adjusted for changes in employment situation, insecurity regarding employment, working from home, and change in financial situation. GAD-7, Generalized Anxiety Disorder Scale-7; PHQ-9, Patient Health Questionnaire