Participant responses to ‘John should now isolate himself from other people’, by test result and message viewed
| Combination of test result and message viewed | N with maximum disagreement (slider all of the way to ‘completely disagree’) (percentage, 95% CI52) | N with maximum agreement (slider all of the way to ‘completely agree’) (percentage, 95% CI52) |
| Positive test | ||
| Control | 1/156 0.6% (0% to 3.9%) | 78/156 50.0% (42.2% to 57.8%) |
| USA | 0/165 0% (0% to 2.7%) | 75/165 45.5% (38.0% to 53.1%) |
| New Zealand | 1/186 0.5% (0% to 3.3%) | 75/186 40.3% (33.5% to 47.5%) |
| UK | 2/165 1.2% (0.1% to 4.6%) | 80/165 48.5% (41% to 56.1%) |
| Experimental | 3/200 1.5% (0.3% to 4.5%) | 82/200 41.0% (34.4% to 47.9%) |
| Negative test | ||
| Control | 22/200 11.0% (7.3% to 16.2%) | 16/200 8.0% (4.9% to 12.7%) |
| USA | 9/177 5.1% (2.6% to 9.5%) | 22/177 12.4% (8.3% to 18.2%) |
| New Zealand | 6/159 3.8% (1.6% to 8.2%) | 18/159 11.3% (7.2% to 17.3%) |
| UK | 31/178 17.4% (12.5% to 23.7%) | 12/178 6.7% (3.8% to 11.5%) |
| Experimental | 14/158 8.9% (5.2% to 14.4%) | 15/158 9.5% (5.7% to 15.2%) |