Inclusion Criteria:  being 18 years or older, and having diabetes type 2 or type 1, and having consulted the practice at least once in 2019 AND at least once in 2020  Exclusion Criteria:  no capacity to consent (e.g. because of dementia) insufficient German language skills to understand the questions in the questionnaire not able to fill out the questionnaire (e.g. because of blindness) gestational diabetes