Table 4. Difference of risk factors between MNA or DOC for dementia group and normal medication behavior group.
| Category | Normal medication behavior group (n=9,323) | MNA group (n=337) | p-value* | DOC group (n=1,107) | p-value† |
|---|---|---|---|---|---|
| Age (yr) | 72.20±9.04 | 80.71±7.7 | <0.001 | 73.18±7.2 | <0.001 |
| Education (≤9 yr) | 4,311 (46.2) | 281 (83.4) | <0.001 | ||
| Sex (female) | 6,425 (68.9) | 271 (80.4) | <0.001 | 855 (77.2) | <0.001 |
| Region (non-Seoul) | 6,801 (72.9) | 765 (69.1) | 0.007 | ||
| Experience of dementia screening test (%) | 3,215 (34.5) | 657 (59.3) | <0.001 | ||
| MMSE | 25.54±2.85 | 17.04±2.54 | <0.001 | 26.53±1.69 | <0.001 |
Values are mean±standard deviation and numbers (%) in continuous and categorical variables, respectively.
MNA: medication nonadherence, DOC: drug overuse for cognitive impairment, MMSE: Mini-Mental Status Examination.
*p-value between normal medication behavior group and MNA group; †p-value between normal medication behavior group and DOC group.