Table 3.
Rate ratios for any case of covid-19, hospital admission with covid-19, and severe covid-19 for teachers by sector
| Outcome by period and adjustment* | Primary, with nursery onsite | Primary with no nursery onsite | Secondary | Other |
|---|---|---|---|---|
| All periods: any case | ||||
| Cases/controls: | 910/5316 | 1111/4991 | 1321/8426 | 452/3059 |
| Unadjusted | 1.27 (1.18 to 1.36) | 1.53 (1.44 to 1.63) | 1.14 (1.07 to 1.21) | 1.10 (1.00 to 1.22) |
| Adjusted | 1.27 (1.18 to 1.36) | 1.54 (1.44 to 1.64) | 1.15 (1.09 to 1.22) | 1.10 (1.00 to 1.22) |
| All periods: hospital admission | ||||
| Cases/controls: | 27/6199 | 21/6081 | 58/9689 | 22/3489 |
| Unadjusted | 0.68 (0.46 to 1.01) | 0.51 (0.33 to 0.79) | 0.74 (0.57 to 0.97) | 0.74 (0.48 to 1.15) |
| Adjusted | 0.76 (0.51 to 1.13) | 0.59 (0.38 to 0.92) | 0.84 (0.64 to 1.10) | 0.84 (0.54 to 1.30) |
| Spring/summer 2020 (closed): any case | ||||
| Cases/controls: | 15/583 | 17/531 | 20/894 | 20/341 |
| Unadjusted | 0.36 (0.21 to 0.60) | 0.44 (0.27 to 0.71) | 0.29 (0.19 to 0.46) | 0.73 (0.46 to 1.15) |
| Adjusted | 0.38 (0.23 to 0.64) | 0.47 (0.29 to 0.76) | 0.30 (0.19 to 0.47) | 0.77 (0.49 to 1.22) |
| Spring/summer 2020 (closed): hospital admission | ||||
| Cases/controls: | 2/596 | 3/545 | 7/907 | 4/357 |
| Unadjusted | 0.28 (0.07 to 1.16) | 0.38 (0.12 to 1.19) | 0.48 (0.22 to 1.02) | 0.63 (0.23 to 1.75) |
| Adjusted | 0.28 (0.07 to 1.18) | 0.41 (0.13 to 1.31) | 0.57 (0.26 to 1.23) | 0.78 (0.28 to 2.18) |
| Autumn term 2020 (open): any case | ||||
| Cases/controls: | 290/2096 | 407/2240 | 532/3370 | 195/1241 |
| Unadjusted | 1.32 (1.17 to 1.50) | 1.66 (1.50 to 1.85) | 1.46 (1.33 to 1.60) | 1.47 (1.26 to 1.71) |
| Adjusted | 1.33 (1.17 to 1.51) | 1.65 (1.48 to 1.84) | 1.47 (1.34 to 1.62) | 1.46 (1.25 to 1.70) |
| Autumn term 2020 (open): hospital admission | ||||
| Cases/controls: | 6/2380 | 10/2637 | 26/3876 | 12/1424 |
| Unadjusted | 0.59 (0.26 to 1.35) | 0.89 (0.46 to 1.70) | 1.25 (0.83 to 1.89) | 1.68 (0.91 to 3.10) |
| Adjusted | 0.64 (0.27 to 1.51) | 0.99 (0.51 to 1.93) | 1.35 (0.88 to 2.07) | 1.81 (0.95 to 3.44) |
| Winter 2020/21 (closed): any case | ||||
| Cases/controls: | 198/2223 | 231/2083 | 283/3420 | 101/1274 |
| Unadjusted | 0.80 (0.69 to 0.93) | 0.98 (0.86 to 1.13) | 0.74 (0.66 to 0.84) | 0.74 (0.60 to 0.91) |
| Adjusted | 0.81 (0.70 to 0.94) | 1.00 (0.87 to 1.15) | 0.77 (0.68 to 0.87) | 0.76 (0.62 to 0.93) |
| Winter 2020/21 (closed): hospital admission | ||||
| Cases/controls: | 8/2413 | 3/2311 | 10/3693 | 3/1372 |
| Unadjusted | 0.66 (0.32 to 1.35) | 0.28 (0.09 to 0.88) | 0.41 (0.22 to 0.78) | 0.30 (0.09 to 0.95) |
| Adjusted | 0.75 (0.36 to 1.57) | 0.33 (0.10 to 1.05) | 0.53 (0.28 to 1.00) | 0.37 (0.12 to 1.18) |
| Spring term 2021 (phased): any case | ||||
| Cases/controls: | 121/564 | 146/596 | 78/929 | 41/329 |
| Unadjusted | 2.00 (1.64 to 2.45) | 2.27 (1.89 to 2.73) | 0.78 (0.62 to 0.98) | 1.15 (0.83 to 1.60) |
| Adjusted | 2.15 (1.75 to 2.64) | 2.44 (2.02 to 2.95) | 0.81 (0.64 to 1.03) | 1.18 (0.84 to 1.64) |
| Spring term 2021 (phased): hospital admission | ||||
| Cases/controls: | 5/680 | 2/740 | 5/1002 | 1/369 |
| Unadjusted | 1.27 (0.49 to 3.28) | 0.41 (0.10 to 1.71) | 0.63 (0.25 to 1.56) | 0.38 (0.05 to 2.81) |
| Adjusted | 1.53 (0.56 to 4.18) | 0.47 (0.11 to 1.99) | 0.63 (0.25 to 1.59) | 0.38 (0.05 to 2.89) |
| Summer term 2021 (open): any case | ||||
| Cases/controls: | 286/1363 | 310/1265 | 410/2183 | 97/719 |
| Unadjusted | 1.87 (1.64 to 2.13) | 2.15 (1.89 to 2.44) | 1.66 (1.49 to 1.84) | 1.23 (0.99 to 1.52) |
| Adjusted | 1.75 (1.54 to 2.00) | 2.08 (1.83 to 2.36) | 1.60 (1.43 to 1.78) | 1.18 (0.95 to 1.46) |
| Summer term 2021 (open): hospital admission | ||||
| Cases/controls: | 6/1643 | 3/1572 | 10/2583 | 2/814 |
| Unadjusted | 0.92 (0.39 to 2.13) | 0.49 (0.15 to 1.57) | 0.92 (0.48 to 1.78) | 0.53 (0.13 to 2.22) |
| Adjusted | 0.94 (0.40 to 2.20) | 0.60 (0.18 to 1.95) | 1.06 (0.54 to 2.07) | 0.52 (0.12 to 2.27) |
As these were conditional logistic regression models, in addition to the variables shown in the table, unadjusted models were nonetheless conditional on age, sex, and general practice of registration.
*
Adjusted for race/ethnicity, Scottish index of multiple deprivation, number of comorbidities, and number of adults in household.