Table 1 Demographic details of participants
From: Prevalence and modifiable risk factors for dementia in persons with intellectual disabilities
Demographics | Total (n = 1831) | Dementia (n = 118) | Without dementia (n = 1713) | P-value |
|---|---|---|---|---|
Age, mean years (SD) | 54.7 (12.4) | 71.7 (10.1) | 53.6 (14.5) | < 0.001 |
Female sex, n (%) | 712 (38.9) | 62 (52.5) | 650 (37.9) | 0.002 |
Male sex, n (%) | 1119 (61.1) | 56 (47.5) | 1063 (62.1) | |
Education, mean years (SD)a | 8.3 (3.2) | 4.4 (4.6) | 8.5 (4.0) | < 0.001 |
Severity of ID | ||||
Mild ID, n (%) | 50 (2.7) | 5 (4.2) | 45 (2.6) | 0.45 |
Moderate ID, n (%) | 379 (20.7) | 21 (17.8) | 358 (20.9) | |
Severe ID, n (%) | 1402 (76.6) | 92 (78.0) | 1310 (76.5) | |
DSQIID-J, mean (SD) | 3.4 (6.5) | 17.8 (12.9) | 2.4 (4.3) | < 0.001 |
Observation period, mean years (SD) | 7.9 (6.8) | 10.0 (7.5) | 7.8 (6.7) | 0.002 |
Comorbidity | ||||
Vision disorder, n (%) | 122 (6.7) | 15 (12.7) | 107 (6.2) | 0.006 |
Hearing disorder, n (%) | 106 (5.8) | 17 (14.4) | 89 (5.2) | < 0.001 |
Gait disorder, n (%) | 33 (1.8) | 4 (3.4) | 29 (16.9) | 0.18 |
Hypertension, n (%) | 288 (12.5) | 53 (45.0) | 235 (13.7) | < 0.001 |
Dyslipidemias, n (%) | 219 (12.0) | 25 (21.2) | 194 (11.3) | 0.001 |
Diabetes, n (%) | 96 (5.2) | 10 (8.5) | 86 (5.0) | 0.10 |
Depression, n (%) | 29 (1.6) | 4 (3.4) | 25 (1.5) | 0.11 |
TBI, n (%) | 40 (2.2) | 10 (8.5) | 30 (1.8) | < 0.001 |
Stroke, n (%) | 52 (2.8) | 22 (18.6) | 30 (17.5) | < 0.001 |
Epilepsy, n (%) | 782 (42.7) | 45 (38.1) | 737 (43.0) | 0.30 |