Table 1.
Demographic Variables across Groups
| Baseline Case Classification | Non-TMD (n=450) | Incident-TMD (n=55) | Chronic-TMD (n=189) | |||
|---|---|---|---|---|---|---|
| Follow-Up Case Classification | Non-TMD (n=422) | TMD (n=28) | Non-TMD (n=29) | TMD (n=26) | Non-TMD (n=143) | TMD (n=46) |
| Age (years) Baseline | 38 (8.4) | 36.5 (8.8) | 40.4 (9.0) | 36.4 (8.4) | 36.4 (7.8) | 35.5 (8.3) |
| Sex (% F) | 62.1 | 60.7 | 76.9 | 65.5 | 80.4 | 84.6 |
| Race (% NHW) | 59.5 | 42.9 | 42.3 | 62.1 | 87.0 | 76.9 |
| Study Site | ||||||
| North Carolina | 39.6 | 50.0 | 11.5 | 27.6 | 41.3 | 39.9 |
| New York | 32.9 | 14.3 | 61.5 | 31.0 | 32.6 | 37.8 |
| Florida | 14.7 | 17.9 | 15.4 | 31.0 | 26.1 | 21.7 |
| Maryland | 12.8 | 17.9 | 11.5 | 10.3 | 0.0 | 0.7 |
NHW=non-Hispanic white