Table 4.
X-squared value of correlation between presence and intensity of headache and presence and intensity of muscle, joint, and/or cervical ipsilateral pain and between presence of headache and presence of parafunctional habits.
| X-squared presence | X-squared intensity | |
|---|---|---|
| Ipsilateral headache and joint pain | 24.3216 | 59.1496 |
| χ 1,0.95 2 = 3.84 | χ 9,0.95 2 = 16.92 | |
| Ipsilateral headache and muscle pain | 22.1273 | 27.4131 |
| χ 1,0.95 2 = 3.84 | χ 9,0.95 2 = 16.92 | |
| Ipsilateral headache and cervical pain | 97.3326 | 81.3128 |
| χ 1,0.95 2 = 3.84 | χ 9,0.95 2 = 16.92 | |
| Parafunctional habits | 42.7842 | — |
| χ 1,0.95 2 = 3.84 |