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Table 2 The incidences of tension-type headache in each group from 2004 to 2010

From: Tension-type headache associated with obstructive sleep apnea: a nationwide population-based study

Variables

Tension-type headache

Person-Years

TTH (N)

IR (‰/yr)

Total

64,864

1,953

30

 Sex

   

 Female

18,102

810

45

 Male

46,762

1,143

24

Age

   

 <30

6,938

104

15

 30-39

13,122

316

24

 40-49

16,460

464

28

 50-59

15,996

579

36

 ≥60

12,348

490

40

Monthly Income

   

 <20,000

9,122

217

24

 20,000-39,999

20,610

628

30

 ≥40,000

16,365

384

23

 Union/association member

8,564

363

42

 Local government enrollee

10,202

361

35

Region

   

 Northern

30,023

749

25

 Central

14,865

448

30

 Southern

18,709

719

38

 Eastern

1,266

37

29

Comorbidy

   

 Hypertension

21,434

882

41

 Epilepsy

1,153

34

29

 Major drpression disorder

2,226

177

80

 Anxiety disorder

11,579

769

66

Obstructive sleep apnea

   

 No

51,824

1,469

28

 Yes

13,040

484

37

  1. p-value < 0.001 in all results.
  2. IR: incidence rate.