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. Author manuscript; available in PMC: 2014 Feb 4.
Published in final edited form as: Soc Psychiatry Psychiatr Epidemiol. 2012 Sep 16;48(5):711–723. doi: 10.1007/s00127-012-0582-x

Table 5.

Functional impairment scores (WHO-DAS) of those with 12-month panic disorder

Variablesa Mean (CI)
Race difference
Total PD sample African Americans Caribbean blacks Non-Hispanic whites F test p value
Time out of role 32.7 (27.2–38.2) 44.7 (34.7–54.6) 39.7 (23.2–56.1) 31.1 (24.9–37.3) 2.78 0.07
Role impairment 16.4 (12.5–20.3) 15.3 (11.5–19.2) 7.8 (3.1–12.5) 16.6 (12.3–20.9) 4.35 0.02
Cognition 6.6 (4.4–8.7) 10.6 (7.1–14.0) 21.0 (7.0–35.0) 5.9 (3.5–8.3) 4.22 0.02
Mobility 13.2 (8.8–17.8) 15.3 (10.6–20.0) 25.6 (9.5–41.6) 12.9 (7.8–18.1) 1.17 0.31
Self-care 1.8 (1.0–2.6) 3.8 (2.1–5.6) 16.0 (4.3–27.7) 1.4 (0.5–2.2) 6.21 0.00
Social 4.8 (3.3–6.2) 7.3 (4.0–10.5) 17.5 (7.6–27.4) 4.3 (2.7–5.9) 4.39 0.02

All mean estimates are weighted to be nationally representative of the given population and subpopulations in the Coterminous 48 states of the US Confidence limits and t-statistics are adjusted for the sampling stratification, clustering, and weighting of the data All t tests were two-sided

CL confidence limit

a

WHO-DAS scores ranging from 0 to 100 are reported where 100 represents severely impaired and 0 represents no impairment