Main effects of test result
| Research question | Mean (95% CI) | Median (95% CI)* | P value | ηp2 | ||
| Positive test | Negative test | Positive test | Negative test | |||
| Q1 | 72.96 (71.46 to 74.46) | 38.38 (36.71 to 40.05) | 75 (71 to 76) | 50 (41.5 to 50) | <0.001 | 0.360 |
| Q2 | 5.21 (5.12 to 5.30) | 4.83 (4.74 to 4.92) | 5.38 (5.26 to 5.38) | 4.96 (4.78 to 5.02) | <0.001 | 0.021 |
| Q3 | 5.17 (5.07 to 5.26) | 4.75 (4.66 to 4.85) | 5.35 (5.18 to 5.59) | 4.92 (4.83 to 5.00) | <0.001 | 0.023 |
| Q4 | 85.50 (84.12 to 86.88) | 51.09 (48.85 to 53.33) | 97 (93 to 98) | 58.5 (54 to 61.5) | <0.001 | 0.287 |
| Confidence in Q1 estimate (exploratory) | 72.30 (70.66 to 73.94) | 63.99 (62.21 to 65.77) | 76.5 (74 to 79) | 67 (62 to 68) | <0.001 | 0.027 |
*CIs of the median computed using the adjusted percentile bootstrap method.51