Results from the 2021 National Survey on Drug Use and Health76 | December 2022
69. Adults were ๏ฌrst asked whether they ever had a period in their lifetime
lasting several days or longer when any of the following was true
for most of the day: (a) feeling sad, empty, or depressed; (b) feeling
discouraged about how things were going in their lives; or (c) losing
interest in most things they usually enjoy. Adults who reported any of
these problems were asked further questions about their experience with
the nine symptoms of MDE in their lifetime. Adults were classi๏ฌed
as having an MDE in their lifetime if they experienced at least ๏ฌve
of the nine symptoms in the same 2-week period in their lifetime; at
least one of the symptoms needed to be having a depressed mood or
loss of interest or pleasure in activities that had been enjoyable. Adult
respondents who had a lifetime MDE were asked if they had a period of
2 weeks or longer in the past 12 months when they felt depressed or lost
interest or pleasure in previously enjoyable activities, and they reported
having some of their other MDE symptoms. ๎ese adults were classi๏ฌed
as having a past year MDE.
70. Details about the criteria for de๏ฌning a NSDUH interview as usable
are provided in Section 2.3.1 of CBHSQ (2022). See the following
reference: Center for Behavioral Health Statistics and Quality.
(2022). 2021 National Survey on Drug Use and Health: Methodological
summary and de๏ฌnitions. https://www.samhsa.gov/data/report/2021
-methodological-summary-and-de๏ฌnitions
71. Details about imputation procedures, including imputation of adult
MDE data, are provided in Sections 2.3.3 and 3.4.8 of CBHSQ (2022).
See the following reference: Center for Behavioral Health Statistics
and Quality. (2022). 2021 National Survey on Drug Use and Health:
Methodological summary and de๏ฌnitions. https://www.samhsa.gov/data/
report/2021-methodological-summary-and-de๏ฌnitions
72. American Psychiatric Association. (1994). Diagnostic and statistical
manual of mental disorders (4th ed.).
73. Follow-up clinical interviews for classifying whether adults had a mental,
behavioral, or emotional disorder in the past year used the Structured
Clinical Interview for the DSM-IV-TR Axis I Disorders, Research
Version, Non-patient Edition (SCID-I/NP). See the following reference:
First, M. B., Spitzer, R. L., Gibbon, M., & Williams, J. B. W. (2002).
Structured Clinical Interview for DSM-IV-TR Axis I Disorders, Research
Version, Non-patient Edition (SCID-I/NP). New York State Psychiatric
Institute, Biometrics Research.
74. Hedegaard, H., Curtin, S. C., & Warner, M. (2021, February). Suicide
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76. More recent data from the NVSS indicate an updated number of
45,979 people in 2020 who died by suicide, or an increase of 124
people relative to the provisional data. See Centers for Disease Control
and Prevention, National Center for Health Statistics. National Vital
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Database, released in 2021. Data are from the Multiple Cause of Death
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