Table 2 Group comparison in the TRI database.

From: Results of two cross-sectional database analyses regarding nap-induced modulations of tinnitus

 

Worsens N = 642

No effect N = 2651

Improves N = 334

Statistic

p-value

Effect size

 

Post-hoc p-value

Post-hoc effect size

THI score (0–100)

   

H = 53.8**

p < 0.001

0.015 (small)

   

 Mean (SD)

53.6 (22.29)

46.8 (23.33)

52.2 (21.75)

   

TW VS NE

p < 0.001

0.297 (small)

 Median [Min Max]

54.0 [0.0, 100]

46.0 [0, 100]

50.0 [4, 100]

   

TI VS NE

0.002

0.236 (small)

 Missing

13 (2.0%)

41 (1.5%)

6 (1.8%)

   

TW VS TI

1.0

0.064 (negligible)

Tinnitus varies from day to day

   

Chi2 = 136.9**

p < 0.001

0.137 (small)

   

 Yes

489 (77.1%)

1485 (56.8%)

264 (80.0%)

   

TW VS NE

p < 0.001

0.155 (small)

 No

145 (22.9%)

1128 (43.2%)

66 (20.0%)

   

TI VS NE

p < 0.001

0.133 (small)

 Missing

8 (1.2%)

38 (1.4%)

4 (1.2%)

   

TW VS TI

1.0

0.016 (negligible)

Tinnitus intermittent or continuous?

   

Chi2 = 38.9**

p < 0.001

0.073 (small)

   

 Intermittent

112 (17.8%)

307 (11.7%)

74 (22.4%)

   

TW VS NE

0.002

0.067 (negligible)

 Continuous

517 (82.2%)

2317 (88.3%)

256 (77.6%)

   

TI VS NE

p < 0.001

0.09 (negligible)

 Missing

13 (2.0%)

27 (1.0%)

4 (1.2%)

   

TW VS TI

1.0

0.027 (negligible)

Influence of stress over tinnitus

   

Chi2 = 84.2**

p < 0.001

0.076 (small)

   

 Worsens

477 (77.2%)

1742 (67.5%)

294 (89.6%)

   

TW VS NE

p < 0.001

0.057 (negligible)

 Improves

8 (1.3%)

29 (1.1%)

0 (0.0%)

   

TI VS NE

p < 0.001

0.097 (small)

 No effect

133 (21.5%)

809 (31.4%)

34 (10.4%)

   

TW VS TI

p < 0.001

0.057 (negligible)

 Missing

24 (3.7%)

71 (2.7%)

6 (1.8%)

      

Sleep at night and tinnitus during the day

   

Chi2 = 399.0**

p < 0.001

0.235 (medium)

   

 Linked

261 (71.5%)

338 (22.8%)

127 (68.6%)

   

TW VS NE

p < 0.001

0.295 (small)

 Not linked

104 (28.5%)

1145 (77.2%)

58 (31.4%)

   

TI VS NE

p < 0.001

0.216 (small)

 Missing

277 (43.1%)

1168 (44.1%)

149 (44.6%)

   

TW VS TI

1.0

0.01 (negligible)

Somatosensory : Jaw or head movements can modulate tinnitus

   

Chi2 = 98.6**

p < 0.001

0.117 (small)

   

 Yes

325 (51.5%)

835 (32.0%)

153 (46.6%)

   

TW VS NE

p < 0.001

0.152 (small)

 No

306 (48.5%)

1777 (68.0%)

175 (53.4%)

   

TI VS NE

p < 0.001

0.087 (negligible)

 Missing

11 (1.7%)

39 (1.5%)

6 (1.8%)

   

TW VS TI

1.0

0.023 (negligible)

  1. Only variables eliciting significant differences after Holm correction were reported. For comparison on the complete list of variables, please refer to Supplementary material S1.
  2. SD standard deviation, TW Tinnitus worsens after naps, NE no effect of naps on tinnitus, TI Tinnitus improves after naps, THI Tinnitus handicap inventory, TQ Tinnitus questionnaire.
  3. *p < 0.05 before Holm correction, **p < 0.05 after Holm correction.