Table 1.
Characteristics of the study population and prevalence of depression
| ALL | ANY DEPRESSION1 | DEPRESSION-CIDI2 | DEPRESSION-NPI3 | UNTREATED DEPRES SION | TREATED DEPRESSION4 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Base N | 856 | 856 | 851 | – | 775 | – | 76 | – | 851 | – | 851 | – |
| % | N | % | S.E. | % | S.E. | % | S.E. | % | S.E. | % | S.E. | |
| All | 100.0 | 856 | 11.19 | 1.31 | 10.94 | 1.45 | 17.17 | 4.97 | 3.26 | 0.68 | 7.93 | 1.29 |
| Sex | ||||||||||||
| Males | 39.44 | 353 | 10.81 | 1.92 | 10.19 | 2.04 | 33.06 | 11.60 | 2.57 | 0.74 | 8.23 | 1.72 |
| Females | 60.56 | 498 | 11.44 | 1.90 | 11.44 | 1.99 | 11.44 | 3.55 | 3.70 | 1.21 | 7.73 | 1.75 |
| Age groups | ||||||||||||
| 71–79 | 58.81 | 354 | 10.38 | 1.96 | 10.50 | 2.02 | 5.86 | 1.43 | 2.85 | 1.06 | 7.53 | 1.63 |
| 80–89 | 33.77 | 363 | 12.39 | 1.71 | 12.12 | 1.83 | 18.49 | 4.28 | 3.98 | 1.03 | 8.41 | 1.85 |
| 90+ | 7.42 | 134 | 12.07 | 2.86 | 8.91 | 4.06 | 32.06 | 7.28 | 3.16 | 1.20 | 8.91 | 2.33 |
| Ethnicity | ||||||||||||
| Non-Hispanic white | 87.10 | 609 | 11.73 | 1.37 | 11.44 | 1.52 | 18.27 | 5.49 | 3.44 | 0.80 | 8.29 | 1.37 |
| Non-Hispanic black | 7.65 | 158 | 4.12 | 1.18 | 4.27 | 1.21 | – | – | 1.83 | 0.85 | 2.29 | 0.99 |
| Hispanic | 5.25 | 84 | 12.53 | 7.83 | 12.34 | 7.96 | – | – | 2.29 | 0.82 | 10.25 | 7.85 |
| Cognitive status | ||||||||||||
| Normal | 63.82 | 306 | 8.48 | 1.87 | 8.57 | 1.90 | – | – | 3.00 | 1.17 | 5.47 | 1.47 |
| Cognitive | 22.30 | 241 | 13.44 | 3.02 | 13.36 | 3.04 | – | – | 1.31 | 0.76 | 12.13 | 2.99 |
| impairment | ||||||||||||
| without | ||||||||||||
| dementia | ||||||||||||
| Dementia | 13.88 | 304 | 20.04 | 2.83 | 19.87 | 3.05 | 20.61 | 5.24 | 7.55 | 1.93 | 12.49 | 2.03 |
1
Meets criteria for clinically significant depression (major depression, minor depression, or receiving treatment for depression) from the CIDI-SF if available, and if no CIDI-SF, then NPI)
2
Reports based on CIDI-SF self-report for n = 775 who were cognitively able to self-report.
3
Results based on NPI for those unable to provide self-report information.
4
Subject volunteered in CIDI that he/she is taking an antidepressant; on NPI, the informant indicated subject is being treated for depression.
Note: All percentages in the table are weighted using the respondent-level sample weight.
CIDI-SF = Composite International Diagnostic Interview–Short Form; NPI = Neuropsychiatric Inventory