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. 2019 Aug 22;13:879. doi: 10.3389/fnins.2019.00879

TABLE 1.

Sociodemographic characteristics for subjects with tinnitus with or without TMJ complaints.

Any tinnitus TFI ≥ 48 THI ≥ 58



TMJ (n = 486)
No (%)
No TMJ (n = 1996) No (%) TMJ (n = 97)
No (%)
No TMJ (n = 224)
No (%)
TMJ (n = 69)
No (%)
No TMJ (n = 122)
No (%)
Sex χ2(1) = 75.22, p < 0.0001 (0.0001) χ2(1) = 6.22, p = 0.0127 (0.0762) χ2(1) = 1.92, p = 0.166 (0.249)

Male 161 (33.1) 1099 (55.1) 39 (40.2) 124 (55.4) 29 (42) 64 (52.5)
Female 325 (66.9) 897 (44.9) 58 (59.8) 100 (44.6) 40 (58) 58 (47.5)

Age group χ2(7) = 24.18, p = 0.0011 (0.0017) χ2(7) = 13.99, p = 0.0513 (0.077) χ2(7) = 12.58, p = 0.0831 (0.1662)

<24 13 (2.7) 43 (2.2) 3 (3.1) 4 (1.8) 4 (5.9) 3 (2.5)
25–34 115 (23.8) 371 (18.6) 17 (17.7) 33 (14.8) 14 (20.6) 25 (20.7)
35–44 110 (22.8) 445 (22.3) 25 (26) 39 (17.5) 19 (27.9) 17 (14.1)
45–54 138 (28.6) 525 (26.4) 28 (29.2) 64 (28.7) 17 (25) 29 (24)
55–64 67 (13.9) 285 (14.3) 17 (17.7) 36 (16.1) 10 (14.7) 24 (19.8)
65–74 35 (7.3) 272 (13.7) 5 (5.2) 31 (13.9) 4 (5.9) 16 (13.2)
75–84 4 (0.8) 48 (2.4) 0 (0) 14 (6.3) 0 (0) 6 (5)
>85 1 (0.2) 3 (0.2) 1 (1) 2 (0.9) 0 (0) 1 (0.8)

Marital status χ2(4) = 10.18, p = 0.0375 (0.045) χ2(4) = 1.93, p = 0.7485 (0.8148) χ2(4) = 4.12, p = 0.3905 (0.3905)

Married 183 (37.7) 889 (44.5) 34 (35.1) 90 (40.2) 24 (34.8) 48 (39.3)
Living with partner 161 (33.1) 594 (29.8) 35 (36.1) 68 (30.4) 26 (37.7) 38 (31.2)
Single 102 (21) 333 (16.7) 20 (20.6) 42 (18.8) 16 (23.2) 23 (18.9)
Widow/widower 6 (1.2) 25 (1.3) 1 (1) 5 (2.2) 0 (0) 4 (3.3)
Divorced 34 (7) 155 (7.8) 7 (7.2) 19 (8.5) 3 (4.4) 9 (7.4)

Gross income χ2(3) = 27.49, p < 0.0001 (0.0001) χ2(3) = 0.94, p = 0.8148 (0.8148) χ2(3) = 3.95, p = 0.2674 (0.3209)

0–200,000 SEK 70 (14.4) 232 (11.6) 17 (17.5) 44 (19.6) 13 (18.8) 27 (22.1)
200,001–450,000 SEK 262 (53.9) 944 (47.3) 54 (55.7) 113 (50.5) 44 (63.8) 61 (50)
450,001 SEK or more 122 (25.1) 739 (37) 19 (19.6) 52 (23.2) 9 (13) 23 (18.9)
Don’t know/don’t want to disclose 32 (6.6) 81 (4.1) 7 (7.2) 15 (6.7) 3 (4.4) 11 (9)

Education level χ2(3) = 2.39, p = 0.495 (0.495) χ2(3) = 7.88, p = 0.0486 (0.077) χ2(3) = 7.67, p = 0.0535 (0.1605)

Middle School 17 (3.5) 53 (2.7) 4 (4.1) 17 (7.6) 3 (4.4) 10 (8.2)
High School 108 (22.2) 403 (20.2) 35 (36.1) 60 (26.8) 26 (37.7) 32 (26.2)
University 314 (64.6) 1353 (67.8) 38 (39.2) 117 (52.2) 26 (37.7) 66 (54.1)
Other 47 (9.7) 187 (9.4) 20 (20.6) 30 (13.4) 14 (20.3) 14 (11.5)

Employment χ2(10) = 48.23, p < 0.0001 (0.0001) χ2(8) = 17.18, p = 0.0283 (0.077) χ2(7) = 14.21, p = 0.0476 (0.1605)

Don’t know 0 (0) 1 (0.1) 0 (0) 0 (0) 0 (0) 0 (0)
Employed 313 (64.4) 1219 (61.1) 56 (57.7) 104 (46.4) 44 (63.8) 54 (44.3)
Unemployed 8 (1.7) 22 (1.1) 3 (3.1) 6 (2.7) 1 (1.5) 5 (4.1)
Running my own business/working as a partner in a company 48 (9.9) 259 (13) 6 (6.2) 29 (13) 4 (5.8) 13 (10.7)
Retired 37 (7.6) 289 (14.5) 8 (8.3) 44 (19.6) 4 (5.8) 21 (17.2)
Sick leave (for more than 2 month) or disability pension due to illness or disability 35 (7.2) 63 (3.2) 13 (13.4) 27 (12.1) 8 (11.6) 20 (16.4)
Parental leave (since 2 months or longer) 4 (0.8) 36 (1.8) 1 (1) 4 (1.8) 1 (1.5) 2 (1.6)
Student 24 (4.9) 78 (3.9) 9 (9.3) 6 (2.7) 7 (10.1) 5 (4.1)
Sabbatical 2 (0.4) 3 (0.2) 0 (0) 1 (0.5) 0 (0) 0 (0)
Housewife/-husband 0 (0) 1 (0.1) 0 (0) 0 (0) 0 (0) 0 (0)
Other 15 (3.1) 25 (1.3) 1 (1) 3 (1.3) 0 (0) 2 (1.6)

Income refers to yearly income in SEK. Pairwise comparisons using Pearson’s Chi-square test are reported. Percentages (%) displayed refer to column percentages. p-Values adjusted for multiple comparisons are shown between parenthesis.