Table 2.

Prevalence of each condition across waves

	Point prevalence at T1 (N = 506)		NCS-R		Prevalence over 18 months condition present at any of three waves		Persistence: percent of patients (N = 411) with a condition at:
	%	se	%	se	%	se	At only a single wave %	At any 2 waves %	At all 3 waves %
CES-D	22.6	1.87			34.4	2.11	15.5	11.8	9.0
DDS	18.0	1.72			29.2	2.02	15.2	7.5	6.4
MDD	10.7	1.38	6.7	0.3	19.8	1.79	14.9	4.2	1.7
GAD	6.9	1.13	3.1	0.2	17.0	1.69	14.4	3.9	0.7
PANIC	5.0	0.97	2.7	0.2	8.9	1.27	7.1	2.7	0.2
DYS	1.6	0.56	1.5	0.1	6.1	1.07	4.9	1.2	0.0
MDD/GAD	3.4	0.81			8.5	1.24	6.6	1.7	0.0

CES-D, Center for Epidemiological Studies–Depression; DDS, Diabetes Distress Scale; MDD, major depressive disorder; GAD, general anxiety disorder; PANIC, panic disorder; DYS, dysthymia.