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Table 1 Frequency distribution table of the nine pain conditions and suicidal behaviors

From: Chronic pain conditions and risk of suicidal behavior: a 10-year longitudinal co-twin control study

Measures

n

% (n/17,148)

Chronic widespread pain

 0

11,669

68.0

 1

915

5.3

 2

100

0.6

 3

161

0.9

 4

526

3.1

 Missing

3777

22.0

Joint pain

 0

14,312

83.5

 1

974

5.7

 Missing

1862

10.9

Lower back pain

 0

8693

50.7

 1

876

5.1

 2

892

5.2

 3

1149

6.7

 Missing

5538

32.3

Neck pain

 0

8831

51.5

 1

931

5.4

 2

929

5.4

 3

945

5.5

 Missing

5512

32.1

Shoulder pain

 0

9302

54.2

 1

706

4.1

 2

773

4.5

 3

855

5.0

 Missing

5512

32.1

Irritable bowel syndrome

 0

13,944

81.3

 1

493

2.9

 2

428

2.5

 3

308

1.8

 4

362

2.1

 5

243

1.4

 6

71

0.4

 Missing

1299

7.6

Headache

 0

4890

28.5

 1

5675

33.1

 2

4854

28.3

 Missing

1729

10.1

Bladder pain

 0

11,257

65.6

 1

2346

13.7

 2

523

3.0

 3

335

2.0

 4

102

0.6

 Missing

2585

15.1

Chronic fatigue syndrome

 0

11,363

66.3

 1

1224

7.1

 2

1568

9.1

 3

1205

7.0

 Missing

1788

10.4

Suicidal behaviors

 0

16,878

98.4

 1 (suicidal attempt)

231

1.3

 2 (injuries of undetermined intent only )

13

0.1

 3 (death by suicide)

26

0.2