Elke Wynberg

Hospitalisation rates differed by city district and ethnicity during the first wave of COVID-19 in Amsterdam, the Netherlands 2 63 Supplementary Table S6. Associations with COVID-19 related hospitalisation, obtained from a Poisson model with an interaction term between migration background and city district, Amsterdam, the Netherlands, 29 February to 31 May 2020 Factor RR (95% CI) P-value Migration background None (ethnic-Dutch) 1 Western 0.74 (0.47-1.11) 0.16 Non-Western 2.33 (1.77-3.06) <0.001 City district Central (C/W/S/E) 1 Peripheral (SE/N/NW) 1.49 (1.13-1.96) 0.005 Migration background * city district Western/Peripheral 1.78 (0.99-3.24) 0.06 Non-Western/Peripheral 0.92 (0.63-1.34) 0.66 Sex Male 1 Female 0.59 (0.49-0.7) <0.001 Age <45 years 1 45-59 years 4.96 (3.74-6.61) <0.001 60-74 years 13.49 (10.45-17.59) <0.001 ≥75 years 23.63 (17.75-31.62) <0.001 Likelihood ratio test P-value this model vs. model without interaction term = 0.08

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