Table:
TTH with insomnia, N = 75	TTH without insomnia, N = 495	P
Demographics
Age, Mean ± SD (years)	44.5 ± 13.7	42.5 ± 13.7	0.236
Women, N (%)	43 (57.3)	259 (52.3)	0.418
Headache characteristics
Bilateral pain, N (%)	45 (60.0)	329 (66.5)	0.272
Non-pulsating quality, N (%)	29 (38.7)	198 (40.0)	0.824
Mild-to-moderate severity, N (%)	73 (97.3)	490 (99.0)	0.225
Non-aggravation by movement, N(%)	58 (77.3)	393 (79.4)	0.682
Associated symptoms
Photophobia, N (%)	6 (8.0)	40 (8.1)	0.981
Phonophobia, N (%)	31 (41.3)	150 (30.3)	0.056
Headache frequency, Median (IQR)	1.0 (0.3–3.0)	0.4 (0.2–1.0)	0.002a
VAS score, Median (IQR)	5.0 (4.0–7.0)	4.0 (3.0–6.0)	< 0.001a
HIT-6 score, Median (IQR)	46.0 (40.0–52.0)	42.0 (38.0–46.0)	< 0.001a
Anxiety, N (%)	21 (28.0)	33 (6.7)	< 0.001
Depression, N (%)	16 (21.3)	8 (1.6)	< 0.001

Transcribe the figure into Markdown format.

|  | TTH with insomnia, N = 75 | TTH without insomnia, N = 495 | P | 
 | --- | --- | --- | --- | 
 | <COLSPAN=4> Demographics | 
 | Age, Mean ± SD (years) | 44.5 ± 13.7 | 42.5 ± 13.7 | 0.236 | 
 | Women, N (%) | 43 (57.3) | 259 (52.3) | 0.418 | 
 | <COLSPAN=4> Headache characteristics | 
 | Bilateral pain, N (%) | 45 (60.0) | 329 (66.5) | 0.272 | 
 | Non-pulsating quality, N (%) | 29 (38.7) | 198 (40.0) | 0.824 | 
 | Mild-to-moderate severity, N (%) | 73 (97.3) | 490 (99.0) | 0.225 | 
 | Non-aggravation by movement, N(%) | 58 (77.3) | 393 (79.4) | 0.682 | 
 | <COLSPAN=4> Associated symptoms | 
 | Photophobia, N (%) | 6 (8.0) | 40 (8.1) | 0.981 | 
 | Phonophobia, N (%) | 31 (41.3) | 150 (30.3) | 0.056 | 
 | Headache frequency, Median (IQR) | 1.0 (0.3–3.0) | 0.4 (0.2–1.0) | 0.002a | 
 | VAS score, Median (IQR) | 5.0 (4.0–7.0) | 4.0 (3.0–6.0) | < 0.001a | 
 | HIT-6 score, Median (IQR) | 46.0 (40.0–52.0) | 42.0 (38.0–46.0) | < 0.001a | 
 | Anxiety, N (%) | 21 (28.0) | 33 (6.7) | < 0.001 | 
 | Depression, N (%) | 16 (21.3) | 8 (1.6) | < 0.001 |