Table 2.
Mann-Kendall trend analysis for weekly breast cancer relative search volume from 2012 to 2022.
| Country | Sa (95% CI) | Mann-Kendall time trendb | P value |
| Australia | –0.18 (–0.34 to –0.018) | Decrease | .05 |
| Canada | –0.42 (–0.55 to –0.27) | Decrease | <.001 |
| Ireland | 0.27 (0.11 to 0.42) | Increase | <.001 |
| New Zealand | –0.24 (0.11 to 0.42) | Decrease | .004 |
| Saudi Arabia | 0.15 –-0.01 to 0.31) | Increase | .07 |
| United Kingdom | 0.17 (0.006 to 0.33) | Increase | .01 |
| United States | –0.22 (–0.38 to –0.05) | Decrease | <.001 |
| Worldwide | –0.27 (–0.42 to –0.11) | Decrease | <.001 |
aSeasonal Mann-Kendall coefficient.
bThe Mann-Kendall trend test was applied to determine the magnitude and significance of the time trends. The estimated slope indicates the number of weekly new searches during the study period.