[b[Allgemeine Hinweise für Datennutzer]b] Der Datensatz der Welle 21 enthält folgende zugespielte Variablen: • [i[id_g]i] - Unique ID, GIP • [i[hhid_g]i] - Household identifyer, GIP • [i[pid]i] - Person identifyer (within HH) • [i[gender_15]i] - gender • [i[year_of_birth_cat]i] - year of birth categories • [i[educ_school_15]i] - highest educational degree • [i[educ_job_15]i] - highest professional qualification • [i[marital_status_15]i] - marital status • [i[number_hh_members_15]i] - number of household members • [i[occupation_15]i] - employment status • [i[sample]i] - year of recruitment • [i[state]i] - residence state • [i[german_citizenship_15]i] - german citizenship • [i[internet_usage_15]i] - private internet usage • [i[dDatum]i] - Interview-Datum • [i[hOnline]i] - Online-Ausstattung Preload-Variablen aus der Datenbank/vorherigen GIP-Wellen: - aus der Datenbank: • [i[hGIP2]i] (ursprüngliche Stichprobe: 1, Auffrischungsstichprobe: 2) - aus Welle 20 (November 2015): • [i[BE20077]i] influenza vaccination