Table 1:

Sample Characteristics

Variable	Number reporting	M (SD) or percent
Experienced frequent headaches or migraines prior to baseline interview	409	15.2
Had trouble with frequent headaches or migraines since Katrina	409	56.5
Proportion non-Hispanic White	409	10.5
Proportion non-Hispanic Black	409	85.1
Proportion Hispanic	409	2.4
Proportion other race/ethnicity	409	2.0
Proportion in a household that received food stamps at baseline	409	62.6
Proportion in a household that received cash assistance/welfare at baseline	409	13.2
Proportion in a household that received unemployment benefits at baseline	409	5.4
Age at baseline	409	25.2 (4.5)
Posttraumatic stress disorder symptom clusters
Impact of Event Scale Intrusion score (range: 0–4)	409	1.6 (1.1)
Impact of Event Scale Avoidance score (range: 0–4)	409	1.5 (1.0)
Impact of Event Scale Hyperarousal score (range: 0–4)	409	1.2 (1.1)
Impact of Event Scale total score (range: 0–4)	409	1.5 (1.0)
Hurricane-related trauma
Katrina flood depth (feet)	409	1.5 (2.2)
Proportion that suffered no, minimal, or not serious home damage	348	16.1
Proportion that suffered moderate or substantial home damage	348	42.0
Proportion that suffered enormous home damage/home was destroyed	348	42.0
Proportion with a close friend or family member killed as a result of
Hurricanes Katrina or Rita	407	27.8
Number of hurricane-related traumas (range: 0–16)	338	3.6 (3.3)