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Table 1 Participant characteristics in the CoMix survey, and comparison with 2018 mid-year UK population estimates provided by the Office of National Statistics. The CoMix survey does not include children under the age of 18

From: Quantifying the impact of physical distance measures on the transmission of COVID-19 in the UK

 Number of participants (%)*UK ONS mid-year Estimate
Location (N = 1240)
 North of England198 (16.0%)23.2%
 Midlands and East of England328 (26.5%)25.4%
 London205 (16.5%)13.4%
 South of England302 (24.4%)22.2%
 Wales54 (4.4%)4.7%
 Scotland121 (9.8%)8.2%
 Northern Ireland32 (2.6%)2.8%
 Missing116
Age group (N = 1356)**
 0–90
 10–1928 (2.1%)
 20–29185 (13.6%)17.1%
 30–39275 (20.3%)17.4%
 40–49249 (18.4%)16.7%
 50–59233 (17.2%)17.6%
 60–69280 (20.7%)13.9%
 70+106 (7.8%)17.3%
 Missing0
Gender (N = 1356)
 Males748 (55.2%)49.4%
 Females608 (44.8%)50.6%
 Missing0
  1. *Within-group percentages
  2. **There are no individuals aged less than 18 in the survey participants; therefore, we only compare the percentages of age groups that are fully observed in the study from the ONS mid-year estimates