"Figure 5: Composition of non-response","" "Great Britain, including imputed households, October to December 2021","" "","" "Notes","1. For definitions of the types of non-response, see Section 10 Technical definitions. Figures are based on the aggregate response for the quarter covering all waves. 2. OD21 refers to the period October to December 2021. 3. JS21 refers to the period July to September 2021. 4. OD20 refers to the period October to December 2020. 5. OD19 refers to the period October to December 2019." "Unit","%" "","" "","Circumstantial refusal","Outright refusal","Refusal to HQ","Refusal to re-interview","Non-contact" "OD21","3.1","20.7","50.8","2.6","22.8" "JS21","3.0","17.5","51.8","2.2","25.6" "OD20","2.0","17.8","3.2","2.8","74.3" "OD19","8.8","56.9","10.6","9.0","14.7"