Table 3 Characteristics of Patients with Persistent Post-Traumatic Headache

Age, mean (SD), y

36.0 (11.7)

Male/Female, %

17/83

Height, mean (SD), cm

171.3 (8.2)

Weight, mean (SD), kg

72.1 (14.4)

Body Mass Index, mean (SD), kg/m²

24.5 (4.1)

 Full-time employed

37

 Part-time employed

42

 Unemployed

21

 Years of education, mean (SD), y

15.6 (2.8)

 No education besides completion of secondary school or high school, %

17

 Skilled labor, %

25

 Bachelor’s degree, %

38

 Higher education, %

20

 Fall

42

 Motor vehicle collision

18

 Sports-related injury

8

 Violence/assault

2

 Other unintentional injury

30

 Frontal

41

 Temporal

27

 Parietal

15

 Occipital

27

 Transient confusion, disorientation, or impaired consciousness

82

 Loss of memory for events immediately before or after the head injury

67

 Nausea

82

 Vomiting

24

 Visual disturbances

46

 Dizziness and/or vertigo

87

 Gait and/or postural imbalance

53

 Impaired memory and/or concentration

84

Months with Headache attributed to Mild TBI, mean (SD), months

49.3 (37.3)

 Chronic migraine-like

61

 Episodic migraine-like

1

 Episodic migraine-like combined with chronic TTH-like

25

 Episodic migraine-like combined with frequent TTH-like

2

 Episodic migraine-like combined with infrequent TTH-like

2

 Chronic TTH-like

9

 Excellent

2

 Great

12

 Good

34

 Rather poor

38

 Poor

14

 Ongoing litigation

31

 Ended litigation

44

 Improvement in headache following end of litigation, No. of subjects (%)

1 (2.3%)

Pre-Trauma Psychiatric History, %

23

 Anxiety disorders

12

 Major depressive disorder

14

 Eating disorders

4

Pre-Trauma Chronic Pain Conditions^a, %

11

 Neck pain

0

 Low back pain

3

 Neuropathic pain

1

 Other chronic pain conditions

9