Table 2.

Effect estimates for the implementation period of the CO@h programme, from mixed effects regression models, adjusted for month of test and patient-level covariates

Outcome	Adjusted OR	SE	P value	95% CI		Denominator
				Lower	Upper
Mortality within 28 days of positive COVID-19 test	1.06	0.072	0.405	0.93	1.21	203 218
Any ED attendance within 28 days of positive COVID-19 test	1.12	0.033	<0.001	1.06	1.18	203 218
Any hospital admission within 28 days of positive COVID-19 test	1.12	0.037	<0.001	1.05	1.20	203 218
Critical care use of those admitted	1.24	0.107	0.012	1.05	1.47	24 895

	Adjusted IRR	SE	P value	Lower	Upper	Denominator
Length of stay of those admitted (in days)	1.02	0.029	0.588	0.96	1.07	20 794

Denominator represents the total number in the analysis with no missing data in adjusting covariates.

CO@h, COVID Oximetry @home; IRR, incidence rate ratio from negative binomial regression.