"Figure 2: Those aged 18 to 34 years were statistically significantly more likely to have understood the requirements when compared with those aged 55 years and over","" "Percentage of all those who tested positive for COVID-19 who understood self-isolation requirements by age group, England, 8 to 13 March 2021","" "","" "Notes","1. The category “unknown” is not included in this chart because the sample counts are very small, so percentages may not sum to 100." "Unit","%" "","" "","Understood","Misunderstood or unsure" "18 to 34 years","74","26" "35 to 54 years","72","28" "55 years and over","63","37"