Fig 1.
Structural equation modelling (SEM) path diagram of potential associations between the latent variables and their corresponding observed variables.
Sociodemographic data: Age, BMI, Gender, Migration background. Nutrition; DEGS-FFQ: German Health Examination Survey; HEI: Healthy Eating Index of the National Eating Survey II. General Health State: HRQL-4: Health related quality of life. Psychosocial Health: GAD-7: Generalized Anxiety Disorder Scale; PHQ-9: Patient Health Questionnaire; ISI: German validated Insomnia Severity Index; DUDIT: Drug Use Disorders Identification Test; AUDIT: Alcohol Use Disorders Identification Test; COVID-19 Student Stress Questionnaire (CSSQ). Physical Activity: IPAQ: International Physical Activity Questionnaire; WST: weekly sitting time.