|  | PSQI | Poor sleepers (PSQI > 5) | ||
---|---|---|---|---|---|
Parameter | Subgroup n (%) | PSQI global score | p-valuea | Poor sleeper n (%) | p-valueb |
Demographics of TMD patients (n = 503) | |||||
 Age groups | |||||
  Under 20 years old (10s) | 61 (12.1) | 4.69 ± 2.34 | < 0.001*** | 20/61 (32.8) | < 0.001*** |
  20–30 years old (20s) | 208 (41.4) | 5.85 ± 2.45 | 10s < 20s = 30s = over 40c | 104/208 (50.0) |  |
  31–40 years old (30s) | 93 (18.5) | 6.87 ± 2.91 | 20s < 30s = over 40d | 61/93 (65.6) |  |
  More than 40 years old (over 40) | 141 (28.0) | 7.11 ± 2.90 |  | 101/141 (71.6) |  |
 Sex | |||||
  Male | 170 (33.8) | 5.65 ± 2.64 | < 0.001*** | 77/170 (45.3) | < 0.001*** |
  Female | 333 (66.2) | 6.56 ± 2.79 |  | 209/333 (62.8) |  |
TMD Axis I diagnosis in TMD patients(Multiple diagnoses are allowed per patient) | |||||
 Myofascial pain | |||||
  [presence] | 465 (92.4) | 6.31 ± 2.82 | 0.023* | 268/465 (57.6) | 0.145 |
  [absence] | 38 (7.6) | 5.50 ± 1.98 |  | 18/38 (47.4) |  |
 Disc displacement | |||||
  [presence] | 278 (55.3) | 6.27 ± 2.77 | 0.862 | 159/278 (57.2) | 0.928 |
  [absence] | 225 (44.7) | 6.23 ± 2.78 |  | 127/225 (56.4) |  |
 Arthralgia | |||||
  [presence] | 355 (70.6) | 6.22 ± 2.88 | 0.888 | 203/355 (57.2) | 0.448 |
  [absence] | 148 (29.4) | 6.26 ± 2.72 |  | 83/148 (56.1) |  |
 Headache attributed to TMD | |||||
  [presence] | 285 (56.7) | 6.58 ± 2.85 | 0.002** | 178/285 (62.5) | 0.005** |
  [absence] | 218 (43.3) | 5.82 ± 2.60 |  | 108/218 (49.5) |  |