Table 1.

Univariate Descriptions of Variables of Interest

Variable	Mean (Std. Dev.) or Percent
Demographic Characteristicsa
Age (years)	14.4 (0.8)
Gender (% female)	67.9
Ethnicity (%)
White	68.4
African American	24.0
Asian	1.5
Latino	0
Native American	1.1
Mixed	3.6
Other	1.5
Hurricane-Related Factors
No. of objective features of exposureb (1–5)	0.9 (1.0)
No. of subjective features of exposureb (1–5)	2.0 (1.6)
PTSD severityb (0–68)	8.0 (9.0)
Post-hurricane negative life eventsb,c (%)	67.9
Post-hurricane disruptionb (1–4)	0.9 (0.7)
30-Day Substance Use at 7-Months Post-hurricane
Cigarettes (%)	23.4
Alcohol (%)	43.7
Marijuana (%)	11.5
30-Day Substance Use at 19-Months Post-hurricane
Cigarettes (%)	22.7
Alcohol (%)	43.8
Marijuana (%)	10.8

NOTES.

^aAssessed at baseline (13 months pre-hurricane)

^bAssessed at 7 months post-hurricane

^cPercent that experienced at least one negative life event since the hurricanes