Table 1.

Single-pollutant exposure models for PM_2.5 and NO₂ long-term (10 and 2-years) and short-term (28, 7 and 2 days) timeframes

		NO2 April 16th to May 16th 2020			PM2.5 April 16th to May 16th 2020
Outcome	Timeframe	Estimate (odds ratio)	95 CI	P—value	Estimate (odds ratio)	95 CI	P—value
Incidence	10 years	1.034	1.010—1.058	0.0030	1.043	0.960—1.129	0.3068
	2 years	1.037	1.015—1.059	0.0006	1.023	0.947—1.103	0.5486
	28 days	1.292	1.262—1.322	0.0000	1.317	1.298—1.337	0.0000
	7 days	1.036	1.023—1.049	0.0000	1.182	1.163—1.201	0.0000
	2 days	1.014	1.008—1.020	0.0000	1.049	1.039—1.058	0.0000
Mortality	10 years	1.038	0.998—1.079	0.0528	0.998	0.864—1.145	0.9793
	2 years	1.046	1.008—1.086	0.0114	0.982	0.857—1.119	0.7813
	28 days	1.294	1.211—1.381	0.0000	1.553	1.466—1.644	0.0000
	7 days	1.081	1.037—1.127	0.0000	1.368	1.278—1.464	0.0000
	2 days	1.029	1.006—1.054	0.0150	1.105	1.068—1.143	0.0000
ICU	10 years	1.050	1.017—1.084	0.0015	0.979	0.865—1.102	0.6999
	2 years	1.053	1.022—1.084	0.0003	1.016	0.903—1.140	0.7588
	28 days	1.252	1.238—1.266	0.0000	1.206	1.197—1.215	0.0000
	7 days	1.014	1.008—1.020	0.0000	1.104	1.095—1.112	0.0000
	2 days	1.004	1.001—1.007	0.0030	1.034	1.030—1.038	0.0000
Ventilation	10 years	1.057	1.021—1.095	0.0010	0.968	0.844—1.105	0.5997
	2 years	1.058	1.025—1.093	0.0003	1.005	0.881—1.142	0.9356
	28 days	1.278	1.257—1.300	0.0000	1.231	1.220—1.243	0.0000
	7 days	1.016	1.009—1.023	0.0000	1.115	1.105—1.125	0.0000
	2 days	1.004	1.001—1.007	0.0110	1.036	1.031—1.041	0.0000

Negative binominal distribution models were calculated, adjusted to the confounders age, sex, social depravation, population density and days between the first reported COVID-19 case and March 1st