Insights into Controlling the Spread of COVID-19: A Study Inspired by Seven of the Earliest Vaccinated Countries

Table 4

Principal component loading vectors from PCA analysis.

	PC1	PC2	PC3	PC4	PC5	PC6	PC7	PC8	PC9	PC10	PC11	PC12	PC13
New cases	0.462	-0.112	0.091	-0.069	0.083	-0.133	0.179	-0.19	0.274	0.278	-0.057	-0.706	-0.117
Hosp.	0.464	-0.146	0.07	-0.126	0	0.057	0.116	0.084	0.257	0.078	0.075	0.35	0.72
ICU	0.465	-0.142	0.059	-0.14	-0.026	0.084	0.038	0.118	0.208	-0.1	0.042	0.456	-0.674
Deaths	0.454	-0.108	0.093	-0.089	-0.004	0.006	-0.131	-0.094	-0.773	-0.34	-0.094	-0.112	0.069
Full Vac.	-0.054	0.274	0.456	-0.066	0.302	-0.254	0.255	0.448	0.141	-0.475	-0.172	-0.111	0.035
Partial Vac.	-0.073	0.285	0.428	-0.304	0.077	-0.311	0.185	-0.252	-0.272	0.439	0.342	0.224	-0.061
Stringency	-0.102	0.153	0.317	-0.518	-0.336	0.629	-0.17	0.122	0.059	0.032	-0.041	-0.197	0.014
Retail & recreational	-0.127	-0.417	-0.024	-0.394	0.364	-0.27	-0.554	0.316	-0.002	0.201	-0.033	-0.033	0.002
Grocery & pharmacies	-0.25	-0.367	0.022	-0.279	0.441	0.247	0.282	-0.532	0.086	-0.309	-0.011	0.056	0.01
Parks	-0.154	-0.253	-0.286	-0.426	-0.497	-0.344	0.462	0.146	-0.091	-0.045	-0.197	-0.009	-0.001
Transit	-0.103	-0.418	0.223	0.31	0.136	0.334	0.399	0.403	-0.286	0.365	-0.02	-0.014	-0.052
Workplace	-0.083	-0.216	0.494	0.211	-0.259	-0.167	-0.19	-0.298	0.098	0.087	-0.625	0.176	0.012
Residence	0.103	0.401	-0.327	-0.177	0.351	0.155	0.116	0.012	-0.115	0.304	-0.634	0.146	-0.013