urn:ddi:de.dezim:badd2167-2721-4981-a728-e41bae4d678b:2 de.dezim badd2167-2721-4981-a728-e41bae4d678b 2 extension:ShouldCalculateFrequenciesForValidValues False extension:ShouldCalculateFrequenciesForInvalidValues False shk@dezim-institut.de age_resp timestart timestart timestart Zeitpunkt, zu dem das Interview begann time that interview started time that interview started