Table 4. Effects of home-visiting cognitive intervention by the educational levels within the normal cognition subgroup.
| Variables | Uneducated (0 yr) | Lower educated (1–6 yr) | Higher educated (>7 yr) | p-value |
|---|---|---|---|---|
| No. | 77 (36.8) | 106 (50.7) | 26 (12.4) | - |
| Age | 80.0±5.4 | 79.4±5.6 | 77.4±4.9 | 0.11 |
| Education | 0.0±0.0 | 4.1±2.2 | 11.2±2.4 | <0.01 |
| Δ MMSE-DS | 0.3±0.2 | 1.1±0.2 | 1.4±0.4 | 0.02* |
| Δ GDS | 1.7±0.6 | 1.7±0.5 | 1.0±1.0 | 0.82 |
| Δ K-IADL | −0.01±0.06 | 0.07±0.05 | 0.15±0.10 | 0.38 |
| Δ SSS | 4.3±2.3 | 7.4±1.6 | 4.7±4.1 | 0.51 |
Data are shown as mean±standard deviation or number (%).
Δ: differences between pre- and post-evaluations, MMSE-DS: Mini-Mental State Examination-dementia screening, GDS: Geriatric Depression Scale, K-IADL: the Korean version of instrumental activities of daily living, SSS: the Social Support Scale.
*p=0.01 (between uneducated and lower educated groups).