Table 7.
Adjusted changes in healthcare services utilization due to COVID-19 and achieving vaccination rate of 70%, stratified by insurance contribution categories as a proxy for income levels.
| Onset of COVID-19 January 2020 |
Recovery period October 2021 (Achieving second dose vaccination rate 70%) |
|
|---|---|---|
| IRR (95% CI) | IRR (95% CI) | |
| Outpatient | ||
| Medicaid | 0.923 (0.911: 0.935)∗∗∗ | 1.021 (1.007: 1.035)∗∗ |
| 0–20th | 0.843 (0.825: 0.862)∗∗∗ | 1.076 (1.045: 1.109)∗∗∗ |
| 20–40th | 0.910 (0.876: 0.944)∗∗∗ | 1.084 (1.048: 1.121)∗∗∗ |
| 40–60th | 0.847 (0.821: 0.874)∗∗∗ | 1.086 (1.053: 1.120)∗∗∗ |
| 60–80th | 0.819 (0.789: 0.850)∗∗∗ | 1.082 (1.047: 1.117)∗∗∗ |
| 80–100th | 0.832 (0.809: 0.856)∗∗∗ | 1.083 (1.051: 1.116)∗∗∗ |
| Inpatient | ||
| Medicaid | 0.884 (0.871: 0.897)∗∗∗ | 1.099 (1.086: 1.113)∗∗∗ |
| 0–20th | 0.872 (0.853: 0.891)∗∗∗ | 0.905 (0.888: 0.922)∗∗∗ |
| 20–40th | 0.962 (0.939: 0.986)∗∗ | 0.897 (0.877: 0.918)∗∗∗ |
| 40–60th | 0.896 (0.880: 0.912)∗∗∗ | 0.894 (0.875: 0.913)∗∗∗ |
| 60–80th | 0.866 (0.844: 0.888)∗∗∗ | 0.919 (0.887: 0.952)∗∗∗ |
| 80–100th | 0.864 (0.837: 0.891)∗∗∗ | 0.971 (0.936: 1.006) |
∗p < 0.1, ∗∗p < 0.05, ∗∗∗p < 0.001.