Table 1. Socio-demographic and clinical characteristics of the study participants and controls.
| Study group | Study group | Controls | ||||
|---|---|---|---|---|---|---|
| HNC | TMD | HNC + TMD | ||||
| Mean (SD) | p-value | Mean (SD) | p-value | |||
| Median (Range) | Median (Range) | |||||
| Age (years) | 67 (7.5) | 45 (16.7) | < 0.0001 | 62 (13.9) | 62 (13.1) | 0.56 |
| 67 (49–84) | 45 (16–71) | 65 (16–84) | 65 (16–88) | |||
| MIO (mm) | 40.1 (10.3) | 36.3 (8.1) | 0.047 | 39.2 (9.9) | 52.5 (6.8) | |
| 36 (20–50) | 40 (16–58) | 52 (37–73) | < 0.0001 | |||
| 41 (16–58) | ||||||
| Gender | n (%) | n (%) | ||||
| Male | 68 (76) | 4 (15) | 72 (62) | 72 (62) | ||
| Female | 22 (24) | 22 (85) | < 0.001 | 44 (38) | 44 (38) | 1.00 |
| Marital status | ||||||
| Single | 67 (74) | 21 (81) | 88 (76) | 89 (77) | ||
| Married/Cohabitant | 23 (26) | 5 (19) | 0.70 | 28 (24) | 26 (23) | 0.91 |
| Education level | ||||||
| Elementary school | 21 (24) | 3 (12) | 24 (21) | 15 (13) | ||
| High school | 29 (33) | 9 (38) | 38 (34) | 40 (35) | ||
| University | 38 (43) | 12 (50) | 0.31 | 50 (45) | 59 (52) | 0.12 |
| Occupational status | ||||||
| Working | 24 (27) | 12 (46) | 36 (31) | 50 (43) | ||
| Retired | 64 (71) | 7 (27) | 71 (61) | 63 (54) | ||
| Studying | 0 (0) | 5 (19) | 5 (4) | 3 (3) | ||
| Other | 2 (2) | 2 (8) | < 0.001 | 4 (4) | 0 (0) | 0.064 |
| Smoking | ||||||
| Never smoked | 39 (43) | 16 (61) | 55 (47) | 63 (54) | ||
| Stopped smoking | 47 (52) | 8 (31) | 55 (47) | 46 (40) | ||
| Current smoker | 4 (4) | 2 (8) | 0.26 | 6 (6) | 7 (6) | 0.44 |
| Cancer location | ||||||
| Tonsil | 45 (50) | |||||
| Base of tongue | 20 (23) | |||||
| Tumour colli | 8 (9) | |||||
| Tongue | 3 (3) | |||||
| Oropharynx | 3 (3) | |||||
| Other | 11 (12) | |||||
| Reason for TMD | ||||||
| Disc problems | 14 (54) | |||||
| Arthritis | 6 (23) | |||||
| Muscular | 6 (23) | |||||
HNC = Head and neck cancer, TMD = temporomandibular disorders, MIO = Maximum incisal opening.