Table 5. Relationship between prevalence of myofascial pain and age, sex, menarche, and school (Curitiba, Paraná, Brazil, 2016).
| Characteristics | Myofascial [n (%)] | Prevalence Ratio (95% CI) | p value | ||
|---|---|---|---|---|---|
| Yes | No | Total | |||
| Age (y) | |||||
| 10 | 24 (9.2) | 236 (90.8) | 260 | 1.00 | |
| 11 | 31 (9.7) | 290 (90.3) | 321 | 1.04 (0.62–1.73) | 0.861 |
| 12 | 17 (8.2) | 190 (91.8) | 207 | 0.88 (0.49–1.61) | 0.700 |
| 13 | 13 (14.9) | 74 (85.1) | 87 | 1.61 (0.86–3.03) | 0.134 |
| 14 | 11 (18.6) | 48 (81.4) | 59 | 2.01 (1.04–3.89) | 0.036 |
| Sex | |||||
| Female | 66 (12.7) | 452 (87.3) | 518 | 1.76 (1.17–2.66) 1.00 |
0.007 |
| Male | 30 (7.21) | 386 (92.79) | 416 | ||
| Menarche | |||||
| Yes | 27 (14.4) | 160 (85.6) | 187 | 1.22 (0.77–1.92) 1.00 |
0.391 |
| No | 39 (11.8) | 291 (88.1) | 330 | ||
| School | |||||
| Private | 9 (7.9) | 105 (92.1) | 114 | 1.00 1.34 (0.69–2.59) |
0.379 |
| Public | 87 (10.3) | 733 (89.4) | 820 | ||
CI, confidence interval; TMD, temporomandibular disorder
A p value < 0.05 is considered significant, as determined by Poisson regression analysis. Significant values are shown in bold.