Chapter 2 58 Supplementary Table S1. Characteristics of COVID-19 cases who could and could not be matched to the municipality registration database in Amsterdam, the Netherlands, 29 February to 31 May 2020 Total (N=2326) Matched (n=2002) Not matched (n=324) Characteristic n % n % n % Age in years, median [IQR] 57 [37-74] 56 [37-73] 62 [44-80] Sex Female 1346 57.9 1181 59.0 165 50.9 Male 965 41.5 809 40.4 156 48.2 Unknown 15 0.6 12 0.6 3 0.9 Health care worker (HCW) No 1108 47.6 934 46.7 174 53.7 Yes 814 35.0 739 46.7 75 23.2 HCW not in a long-term care facility/ unknown location 500 61.4 451 61.0 49 65.4 HCW in a long-term care facility 314 38.6 288 39.0 26 34.6 Unknown 404 17.3 329 16.4 75 23.2 Resident of a long-term care facility No/unknown 1867 80.3 1673 83.6 194 59.9 Yes 459 19.7 329 16.4 130 40.1 City district Centre 162 7.0 141 7.0 21 6.5 New-West 433 18.6 360 18.0 73 22.5 North 268 11.5 239 12.0 29 9.0 East 377 16.2 330 16.5 47 14.5 West 341 14.7 293 14.6 48 14.8 South 350 15.1 312 15.6 38 11.7 South-East 355 15.3 320 16.0 45 10.8 Unknown 40 1.7 7 0.4 33 10.2 Hospitalised No/unknown 1730 74.4 1476 73.7 254 78.4 Yes 596 25.6 526 26.3 70 21.6 Died No/unknown 2039 87.7 1767 88.3 272 84.0 Yes 287 12.3 235 11.7 52 16.1 Abbreviations: IQR, interquartile range
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