Table 1.
Comparison of a-MDD and LLD cases with cases with no MDD.
| a-MDD (n = 54) | LLD (n = 80) | no MDD (n = 607) | a-MDD × no MDD p | LLD × no MDD p | |
|---|---|---|---|---|---|
|
| |||||
| Age at death (years), mean (SD)a | 63.6 (10.8) | 76.4 (8.8) | 72.3 (11.7) | < 0.001 | 0.001 |
| Education (years), mean (SD)a | 4.4 (3.0) | 3.8 (3.3) | 4.6 (3.8) | 0.79 | 0.08 |
| Women, nb (%) | 32 (59.3%) | 45 (56.3%) | 277 (45.6%) | 0.054 | 0.07 |
| Ethnicity white, nb (%) | 37 (68.5%) | 55 (68.8%) | 420 (69.2%) | 0.92 | 0.67 |
| CDR = 0, nb (%) | 41 (75.9%) | 60 (75.0%) | 519 (85.5%) | 0.061 | 0.015 |
| Alcohol misuse, nb (%) | 12 (25.0%) | 16 (20.5%) | 100 (18.5%) | 0.27 | 0.64 |
| Smoking, nb (%) | 28 (52.8%) | 32 (40.5%) | 238 (41.5%) | 0.11 | 0.86 |
| Hypertension, nb (%) | 42 (77.8%) | 53 (66.3%) | 410 (68.4%) | 0.16 | 0.69 |
| Diabetes mellitus, nb (%) | 9 (16.7%) | 21 (26.3%) | 168 (28.0%) | 0.07 | 0.74 |
| Dyslipidemia, nb (%) | 5 (9.3%) | 3 (3.8%) | 68 (11.2%) | 0.64 | 0.042 |
Data are presented as means (SD) and for categorical values as the number of cases, and percentage (%) when indicated.
Key: a-MDD, adult-onset major depressive disorder; CDR, Clinical Dementia Rating scale; LLD, late life depression; MDD, major depressive disorder; SD, standard deviation.
a
Mann-Whitney test.
b
Qui-square test.