Table 1.
Studies of age-related cognitive decline in Black or African American individuals and white individuals
| Study | Population type | Proportion of participants Black or African American (%) | Mean Age (SD) (years) | Follow-up (years) | Outcome | Rate of decline in Black or African American participants compared with white participants |
|---|---|---|---|---|---|---|
| Sachs-Ericsson and Blazer (2005)42 | Population-based | 54 | 73 (6) | 3 | Short portable mental status questionnaire | Faster |
| Sloan and Wang (2005)47 | Nationally representative | Not reported | >70 | 7 | Telephone interview for cognitive status, word recall | Slower |
| Karlamangla et al. (2009)46 | Nationally representative | 8 | 77.1 (not reported) | 9 | Telephone interview for cognitive status, word recall | Slower |
| Masel and Peek (2009)39 | Nationally representative | 16 | 60 (3) | 9 | Telephone interview for cognitive status, word recall | Faster |
| Sawyer et al. (2009)40 | Population-based | 54 | >65 | 10 | Short portable mental status questionnaire | Faster |
| Castora-Binkley et al. (2015)37 | Nationally representative | 12 | 74 (7) | 12 | Telephone interview for cognitive status, word recall | Equivalent |
| Early et al. (2013)45 | Convenience | 29 | 78.4 (7.1) | 3.9 | Spanish and English Neuropsychological Assessment Scales (SENAS), episodic memory, executive function | Slower |
| Marsiske et al. (2013)38 | Intervention | 28 | 74 (6) | 5 | Memory, reasoning, visual processing speed, vocabulary, digit symbol substitution | Equivalent |
| Gross et al. (2015)18 | Pooled sample of population-based and convenience | 30 | 76 (8) | 4 | Latent factors from batteries of tests representing general cognitive performance, memory, and executive function | Slower |
| Wilson et al. (2015)17 | Convenience | 50 | 73 (not reported) | 6.3 | Rush battery, episodic memory, semantic memory, working memory, perceptual speed, visuospatial ability | Slower |
| Bryd et al. (2018)41 | Nationally representative | 32 | 54.1 (17.6) | 25 | Short portable mental status questionnaire | Faster |
| Weuve et al. (2018)44 | Population-based | 64 | 72.1 (6) | <18 | Brief tests of global cognition, episodic memory, perceptual speed | Slower |
| Amariglio et al., 202043 | Convenience | 16 | 72 (7) | 1–7 | Preclinical Alzheimer Cognitive Composite-5 (PACC-5) | Faster |
SD, standard deviation.