Table 2.
Prevalence of sleep bruxism (SB) with 95% confidence interval (CI): overall, by sex, and by age. N, total number of subjects in the category; n, number of subjects with SB in the category.
| Female n/N (%) (95% CI) |
Male n/N (%) (95% CI) |
Total n/N (%) (95% CI) |
p-Value 1 (Female vs. Male) |
|
|---|---|---|---|---|
| Overall prevalence | 152/939 (16.2) (3.9; 18.7) |
182/961 (18.9) (16.5; 21.6) |
334/1900 (17.6) (15.9; 19.4) |
0.121 |
| Prevalence 0–6 years | 34/177 (19.2) (13.7; 25.8) |
39/176 (22.2) (16.3; 29.0) |
73/353 (20.7) 16.6; 25.3) |
0.484 |
| Prevalence 7–11 years | 60/356 (16.9) (13.1; 21.2) |
81/369 (22.0) (17.8; 26.5) |
141/725 (19.4) (16.6; 22.5) |
0.084 |
| Prevalence 12–17 years | 58/406 (14.3) (11.0; 18.1) |
62/416 (14.9) (11.6; 18.7) |
120/822 (14.6) (12.3; 17.2) |
0.810 |
1 Calculated using the two-sided Z-Test.