Table 4. Odds of Current Driving in Women with Mild Cognitive Impairment (MCI) or Probable Dementia, Adjusted for Age, Race, Education, and Depressive Symptomatology Using Multiple Logistic Regression.
| MCI, n = 178 |
Probable Dementia, n = 207 |
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|---|---|---|---|---|
| Characteristic | aOR (95% CI) | P-Value | aOR (95% CI) | P-Value |
| Demographic | ||||
|
| ||||
| Age | 0.87 (0.79–0.96) | .006 | 0.93 (0.86–1.01) | .10 |
|
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| Nonwhite | 1.33 (0.46–3.88) | .60 | 2.12 (0.81–5.58) | .13 |
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| ≤High school education | 1.10 (0.54–2.24) | .79 | 1.05 (0.55–2.02) | .89 |
|
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| Annual family income, $ (reference < 20,000) | .86 | .61 | ||
|
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| 20,000–49,999 | 1.02 (0.45–2.33) | 1.44 (0.64–3.20) | ||
|
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| ≥50,000 | 0.80 (0.28–2.31) | 1.62 (0.58–4.51) | ||
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| General health status | ||||
|
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| History of stroke | 0.94 (0.16–5.45) | .94 | 0.47 (0.14–1.60) | .23 |
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| History of diabetes mellitus | 1.19 (0.44–3.19) | .73 | 0.83 (0.41–1.69) | .61 |
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| History of arthritis | 0.54 (0.23–1.28) | .16 | 0.84 (0.40–1.75) | .64 |
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| Dementia Questionnaire items | ||||
|
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| Memory and cognition | ||||
|
| ||||
| Remembering names | 1.42 (0.67–3.03) | .35 | 0.46 (0.25–0.83) | .01 |
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| Recognizing faces | 0.40 (0.12–1.32) | .13 | 0.36 (0.15–0.90) | .03 |
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| Finding way indoors | 0.13 (0.01–1.41) | .09 | 0.40 (0.14–1.18) | .10 |
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| Finding way on familiar streets | 0.56 (0.22–1.46) | .24 | 0.45 (0.24–0.84) | .01 |
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| Remembering short list | 0.68 (0.31–1.50) | .34 | 0.65 (0.33–1.31) | .23 |
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| Daily functioning | ||||
|
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| Household tasks | 0.30 (0.15–0.62) | .001 | 0.70 (0.37–1.33) | .27 |
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| Handling money | 0.60 (0.26–1.38) | .23 | 0.44 (0.22–0.85) | .02 |
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| Grasping situations | 0.44 (0.21–0.89) | .02 | 0.95 (0.52–1.74) | .86 |
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| Dressing or caring for self | 0.06 (0.01–0.30) | <.001 | 0.32 (0.13–0.75) | .002 |
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| Getting out of bed into a chair | 0.79 (0.32–1.95) | .61 | 0.74 (0.37–1.49) | .40 |
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| Bathing | 0.20 (0.08–0.49) | <.001 | 0.27 (0.13–0.58) | <.001 |
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| Medications for memory problems | 0.34 (0.11–1.05) | .06 | 0.42 (0.21–0.81) | .003 |
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| Cognitive tests | ||||
|
| ||||
| Modified Telephone Interview for Cognitive Status | 0.98 (0.87–1.11) | .79 | 1.17 (1.07–1.27) | <.001 |
|
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| East Boston Memory Test | ||||
|
| ||||
| Immediate recall | 0.88 (0.74–1.04) | .14 | 1.07 (0.93–1.22) | .35 |
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| Long delay | 1.03 (0.93–1.13) | .62 | 1.11 (1.02–1.21) | .02 |
|
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| Trail-Making Test, secondsa | ||||
|
| ||||
| Part A | 1.01 (0.92–1.11) | .80 | 1.10 (1.01–1.19) | .02 |
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| ||||
| Part B | 1.00 (0.996–1.002) | .36 | 1.00 (0.999–1.004) | .12 |
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| Animal fluency | 0.97 (0.90–1.05) | .43 | 1.14 (1.05–1.22) | .001 |
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| Digit Span forward | 0.94 (0.79–1.11) | .45 | 0.91 (0.81–1.03) | .14 |
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| Digit Span backward | 1.01 (0.87–1.17) | .92 | 1.03 (0.92–1.16) | .62 |
aOR = adjusted odds ratio; CI = confidence interval.
a
Scores were subtracted from 0 so that higher scores indicate better performance.