Table 6.

Sheehan Disability Severity for 12-month panic disorder

Severity of mental illness	Total PD sample			African Americans			Caribbean blacks			NCS-R whites			Race/ethnic differences
	Freq.	%	Std. error (%)	Freq.	%	Std. error (%)	Freq.	%	Std. error (%)	Freq.	%	Std. error (%)	F test	p value
Mild	71	28.4	3.2	13	15.7	4.1	9	43.7	6.5	49	29.9	3.6	2.00	0.12
Moderate	70	23.9	4.2	29	27.5	5.2	5	12.2	9.8	36	23.5	4.7
Severe, serious	134	47.7	4.2	46	56.8	6.2	12	44.2	5.8	76	46.5	4.7

Reported frequencies are unweighted. All prevalence estimates are weighted to be nationally representative of the given population and subpopulations in the coterminous 48 states of the USA. Standard errors and F statistic are adjusted for the sampling stratification, clustering, and weighting of the data

Severity of PD was defined as

Severe if any of the Answers to Questions PD44 a–d are greater than or equal to 7, moderate if the greatest score to Questions PD44 a–d is 4 or 5 or 6, mild if the scores to Questions PD44 a–d are all less than or equal to 3