Table 1.
Number of OPPERA cohort subjects (controls and TMD cases) included in this study according to sex, stress level, and number of HPS haplotypes.
| Female (n=1698) | Male (n==1274) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No Stress (n=396) | Stress (n=1302) | No Stress (n=331) | Stress (n=943) | |||||||||
| HPS haplotype | 0 | 1 | 2 | 0 | 1 | 2 | 0 | 1 | 2 | 0 | 1 | 2 |
| Controls | 235 | 129 | 15 | 821 | 317 | 44 | 212 | 105 | 14 | 658 | 225 | 32 |
| TMD cases | 11 | 5 | 1 | 91 | 25 | 4 | 0 | 0 | 0 | 21 | 7 | 0 |
| TOTAL | 246 | 135 | 18 | 912 | 343 | 50 | 212 | 106 | 16 | 679 | 233 | 34 |
TMD = temporomandibular disorder. “No stress” = NRS stress score of 0; “Stress” = NRS stress score higher than 0.