Table 2.

EQ-5D index, Mortality Rate, and Quality-adjusted Life Years (QALY) throughout remainder of lifetime by Depressive Symptom Severity Categories, U.S. Adults Aged 65 Years and Older

PHQ-9 score	Depression severity categories	Number	EQ-5Da	S.E.	Mortality rateb	S.E.	QALYc	S.E.
0–27	Total	3,680	0.827	0.005	3.51	0.18	12.3	1.1
0–4	None-minimal	2,863	0.875	0.004	2.99	0.18	14.0	1.4
5–9	Mild	494	0.680	0.018	4.69	0.60	7.8	1.0
10–14	Moderate	122	0.482	0.038	4.97	1.11	4.7	0.7
15–27	Moderately severe/ severe	51	0.353	0.063	8.15	2.81	3.3	1.3

^a EQ-5D index, adjusted for age and sex in subgroups

^b Mortality rate per 100 person-years, adjusted for age and sex in subgroups

^c Quality-adjusted life years, adjusted for age and sex in subgroups