Table 2.
Mean error rates by category
| Week 1 |
Week 2 |
Week 3 |
Week 4 |
Total Mean | P-value | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Error Category | N | Mean % (SD) | N | Mean % (SD) | N | Mean % (SD) | N | Mean % (SD) | (%) (SD) | |
| Signage | 146 | 6.21 (10.68) | 195 | 3.76 (6.95) | 307 | 2.69 (9.14) | 313 | 1.88 (5.55) | 3.18 (8.11) | <0.001 |
| Equipment | 146 | 4.01 (9.17) | 195 | 1.44 (5.20) | 307 | 2.13 (6.69) | 313 | 1.51 (5.77) | 2.07 (6.64) | 0.013 |
| PPE use | 147 | 7.18 (8.09) | 195 | 5.26 (7.63) | 307 | 5.01 (7.18) | 313 | 3.23 (6.43) | 4.81 (7.30) | <0.001 |
| Cleaning | 125 | 19.50 (34.16) | 187 | 4.65 (18.00) | 282 | 4.77 (19.17) | 293 | 1.39 (9.42) | 5.70 (20.26) | <0.001 |
| Cohorting and social distancing | 135 | 7.60 (19.26) | 192 | 4.25 (13.54) | 292 | 1.68 (8.70) | 296 | 1.07 (6.57) | 2.90 (11.66) | <0.001 |
N, refers to number of observations in that category; SD, standard deviation.