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Table 1 Response frequencies in the direct and the two indirect questioning groups

From: Do they really wash their hands? Prevalence estimates for personal hygiene behaviour during the COVID-19 pandemic based on indirect questions

Direct Question (n = 491)
 “Yes.” 464
 “No.” 27
Extended Crosswise Model 1 (n = 471)
  “My answer is ‘yes’ to both questions or ‘no’ to both.” 172
  “My answer is ‘yes’ to one question and ‘no’ to the other question (irrespective of which one!).” 299
Extended Crosswise Model 2 (n = 472)
  “My answer is ‘yes’ to both questions or ‘no’ to both.” 309
  “My answer is ‘yes’ to one question and ‘no’ to the other question (irrespective of which one!).” 163