Table 3.
Multiple linear regression analyses of associations between changes in LoCB and baseline patients' characteristics
| Characteristics at baseline | Unadjusted reg. analysis |
Adjusted reg. analysis |
|||
|---|---|---|---|---|---|
| B (95% CI) | p value | B (95% CI) | β | p value | |
| Age | −0.251 (−0.805, 0.103) | 0.127 | −0.223 (−0.649, 0.202) | −1.138 | 0.425 |
| Gender (female = 0; male = 1) | 1.525 (−4.561, 7.612) | 0.617 | 2.185 (−3.274, 7.644) | 0.103 | 0.425 |
| Civil status (unmarried = 0; married = 1) | 1.963 (−4.027, 7.952) | 0.513 | |||
| Education (<10 years = 1; >10 years = 2) | −1.942 (7.876, 3.991) | 0.513 | |||
| Attends day care (no = 0; yes = 1) | 3.639 (−2.675, 9.953) | 0.252 | |||
| LoCB | −0.428 (−0.657, −0.199) | <0.001 | −0.394 (−0.628, −0.160) | −0.435 | 0.001 |
| MADRS | 0.177 (−0.519, 0.872) | 0.611 | |||
| MMSE-NR | 0.694 (−0.255, 1.642) | 0.148 | 0.533 (−0.325, 1.391) | 0.158 | 0.217 |
| CDR | −0.316 (−1.481, 0.848) | 0.587 | |||
| IADL | −0.117 (−0.648, 0.414) | 0.660 | |||
| PSMS | 0.241 (−0.736, 1.218) | 0.622 | |||
| Prescription medications,1n | 0.345 (−0.719, 1.408) | 0.518 | |||
| Prior depression (no = 0; yes = 1) R2 27.5% (F 4, 46) = 4.365, p = 0.004 | −2.773 (−9.818, 4.273) | 0.433 | |||
CDR, Clinical Dementia Rating Scale; LoCB, the Locus of Control of Behavior scale; MMSE-NR, the revised Norwegian version of the Mini Mental Status Examination; IADL, the Instrumental Activities of Daily Living scale; PSMS, the Physical Self-Maintenance scale; MADRS, the Montgomery-Aasberg Depression Rating Scale.
1
Potential ceiling effect, as maximum number reported was 9 different prescription medications.