Pain Catastrophizing Correlates with Early Mild Traumatic Brain Injury Outcome

Table 1

Study population characteristics.

Demographic variables	Frequency; ()	Total patients; (%)
Occupational status
Full-time work	44	76
Part-time work	1	2
Unemployed/searching for job	2	4
Full-time school	5	9
Retired	3	5
Seasonal work	1	2
Full-time school and part-time job	2	4
Education level
High school	22	38
College	14	24
University	18	31
Others (vocational training)	3	5
Unknown/unspecified	1	2
Net family income ($)
<25 000	8	14
25 000–50 000	20	35
50 001–75 000	8	14
75 001–100 000	9	16
>100 000	10	17
Unknown/unspecified	3	5