Table 2.
Sociodemographic and Health Characteristics of Participants with Cognitive Impairment and Mild Visual Impairment
| Cognitive impairment | Mild visual impairment | |||||
|---|---|---|---|---|---|---|
| Factors | Absent (n = 2658) | Present (n = 160) | p | Absent (n = 2631) | Present (n = 187) | p |
| Mean age ± SD, years | 76.1 ± 4.7 | 79.2 ± 5.4 | <0.001 | 76.1 ± 4.7 | 78.7 ± 5.7 | <0.001 |
| Men, % | 52.4 | 58.8 | 0.116 | 53.7 | 38.5 | <0.001 |
| Length of education, less than 12 years, % | 76.5 | 86.3 | 0.004 | 76.6 | 84.0 | 0.021 |
| History of disease, % | ||||||
| Stroke | 6.0 | 5.0 | 0.447 | 5.9 | 9.6 | 0.037 |
| Cerebral infarction | 4.7 | 5.0 | 0.863 | 4.5 | 7.5 | 0.065 |
| Angina | 8.3 | 8.1 | 0.931 | 8.4 | 6.4 | 0.332 |
| Myocardial infarction | 2.7 | 3.1 | 0.779 | 2.8 | 2.1 | 0.586 |
| Diabetes mellitus | 14.8 | 16.3 | 0.605 | 14.8 | 16.0 | 0.632 |
| Hypertension | 46.0 | 39.5 | 0.118 | 45.2 | 50.8 | 0.143 |
| Hypercholesterolemia | 26.1 | 19.4 | 0.059 | 26.1 | 20.9 | 0.116 |
| Current smoking | 5.6 | 9.0 | 0.075 | 5.8 | 5.5 | 0.845 |
p-Values are for chi-square tests or unpaired t-tests performed. Cognitive impairment defined as MMSE score ≤23. Mild visual impairment defined as logMAR units >0.2 in the better eye.