Table 1 .

Characteristics of respondents (N=1635)

	M (SD) or %
Days physical health not good measured at time 1	6.09 (8.45)
Days physical health not good measured at time 2	6.66 (8.62)
Days mental health not good measured at time 1	5.89 (8.17)
Days mental health not good measured at time 2	5.76 (8.02)
Age at injury at time 1	32.98 (13.83)
Years since injury at time 1	12.79 (9.61)
	%
Male	74.01
Race
Non-Hispanic white	72.97
Non-Hispanic black	21.77
Others	5.26
Injury severity
Non-ambulatory C1–C4	9.82
Non-ambulatory C5–C8	24.98
Non-ambulatory non-cervical	33.95
Ambulatory	31.25