4. The association between COVID-19 case fatality rate and selected factors, Mississippi, March-July 2020.

Selected county factors	DF	β	SE	T-value	P-value
R2=0.3604. DF: degree of freedom; β: regression coefficient; SE: standard error.
1. % of the residents who are Black	1	–0.0053	0.0171	–0.31	0.7578
2. % of the residents who have a bachelor or higher degree	1	–0.0601	0.0524	–1.15	0.2559
3. % of the residents whose household income is less than $15 000	1	0.1243	0.0616	2.02	0.0474
4. % of residents who are obese	1	–0.1075	0.0570	–1.89	0.0633
5. % of the residents who have lung disease	1	–0.2125	0.0770	–2.76	0.0073
6. % of the residents who have cardiovascular disease	1	–0.1650	0.0954	–1.73	0.0879
7. % of the residents who have diabetes	1	–0.0463	0.0864	–0.54	0.5932
8. % of the residents who have cancer	1	0.1574	0.0814	1.93	0.0572
9. % of the residents who have high blood pressure	1	0.1050	0.0459	2.29	0.0253
10. % of the residents who aged 65+	1	0.0749	0.0460	1.63	0.1080