Table 2.
Probability of returning to work after COVID-19 at various return-to-work (RTW) rates and in time periods with different dominant virus variants. The sample for flu-like symptoms and the total COVID-19 sample include observations with first day of absence between 19 March 2020 and 18 March 2022. The other samples include observation with first day of absence between 15 February 2021 and 27 June 2021 (alpha dominant), 28 June 2021 and 27 December 2021 (delta dominant), and 28 December 2021 and 18 March 2022 (omicron dominant). [CI=confidence interval]
| Flu-like symptoms | COVID-19 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||
| Total | Alpha dominant | Delta dominant | Omicron dominant | |||||||
|
|
|
|
|
|
||||||
| % (95% CI) | Median (95% CI) | % (95% CI) | Median (95% CI) | % (95% CI) | Median (95% CI) | % (95% CI) | Median (95% CI) | % (95% CI) | Median (95% CI) | |
| Time-to-RTW (days) | 6 (6 -6) | 10 (10 -10) | 15 (14 -15) | 12 (12 -12) | 7 (7 -8) | |||||
| RTW (weeks) | ||||||||||
| ≤1 | 71.6 (70.9–72.3) | 34.4 (33.8–34.9) | 14.0 (12.9–15.2) | 25.2 (24.1–26.3) | 50.7 (49.9–51.5) | |||||
| ≤3 | 91.9 (91.4–92.3) | 71.2 (70.7–71.8) | 48.5 (46.9–50.1) | 67.5 (66.3– 68.8) | 87.5 (87.0– 88.1) | |||||
| ≤6 | 99.2 (99.0–99.4) | 90.6 (90.3–90.9) | 79.2 (77.9– 80.5) | 89.6 (88.8– 90.4) | 97.3 (97.0–97.5) | |||||
| ≤12 | 100.0 (100.0–100.0) | 94.5 (94.2–94.7) | 87.2 (86.0– 88.2) | 94.2 (93.5, 94.8) | 98.6 (98.4–98.8) | |||||
| ≤26 | 100.0 (100.0–100.0) | 97.0 (96.8– 97.2) | 92.9 (92.0–93.7) | 97.1 (96.6–97.5) | * | |||||
*
There were no omicron-infected employees with RTW after six months at the time of writing this report.