Table 1.
Relative search volume of bruxism, teeth grinding, and teeth clenching worldwide and in the United States
Relatives Aufkommen von Anfragen zu Bruxismus, Zähneknirschen und Zähnepressen weltweit und in den USA
| March 15–May 9 | May 10–October 17 | |||||||
|---|---|---|---|---|---|---|---|---|
| 2020 | 2016–2019 | % Change | P value | 2020 | 2016–2019 | % Change | P value | |
| Bruxism | ||||||||
| Worldwide | 47.6 (44.4–51.1) | 45.0 (42.3–47.1) | 6.8 (−2.7–16.3) | 0.152 | 52.2 (50.6–53.8) | 42.2 (40.9–43.6) | 23.6 (18.2–29.0) | < 0.001 |
| United States | 61.3 (57.1–65.8) | 63.2 (58.2–68.6) | −3.0 (−13.5–7.5) | 0.581 | 67.7 (64.5–71.0) | 61.6 (59.0–64.4) | 9.8 (2.7–17.0) | 0.005 |
| Teeth grinding | ||||||||
| Worldwide | 83.0 (76.7–89.8) | 74.4 (71.7–77.2) | 11.5 (1.9–21.2) | 0.017 | 89.5 (86.9–92.2) | 71.7 (70.1–73.4) | 24.9 (20.2–29.5) | < 0.001 |
| United States | 68.9 (63.3–75.0) | 65.5 (62.7–68.3) | 5.2 (−4.8–15.2) | 0.304 | 73.7 (71.4–76.1) | 63.0 (61.4–64.5) | 17.2 (12.4–21.9) | < 0.001 |
| Teeth clenching | ||||||||
| Worldwide | 64.6 (58.3–71.7) | 61.0 (56.6–65.7) | 6.0 (−7.5–19.5) | 0.376 | 71.2 (65.5–77.4) | 58.1 (55.3–61.1) | 22.5 (10.7–34.4) | < 0.001 |
| United States | 62.9 (58.6–67.5) | 61.9 (57.9–66.2) | 1.6 (−8.3–11.5) | 0.748 | 70.7 (66.0–75.6) | 62.2 (59.9–64.5) | 13.6 (4.9–22.4) | 0.002 |
Relative search volume values are presented as a mean (95% confidence interval) (generalized estimating equations)