Table 1.
Comparative Logistic Regression Analyses of a Data Set with Induced Missing Values (Selected Models)
| Variable | Parameter Estimate | 95% Confidence Interval | P-value | |
|---|---|---|---|---|
| Full Data Set Analysis (N=300) | ||||
| Dementia by IQCODE (>3.3) | 1.865 | 0.901, 2.830 | <0.001 | |
| Any Benzodiazepines or Narcotics at baseline | 1.113 | 0.305, 1.920 | 0.007 | |
| BUN/Cr (>18) | 0.890 | 0.256, 1.525 | 0.006 | |
| Non-white race | 1.019 | 0.021, 2.016 | 0.045 | |
| Complete Case Analysis (N=210) | ||||
| Dementia by IQCODE (>3.3) | 2.004 | 0.935, 3.072 | <0.001 | |
| Multiply Imputed Data Sets Analysis (N=300) | ||||
| Dementia by IQCODE (>3.3) | 2.016 | 0.948, 3.084 | <0.001 | |
| Any Benzodiazepines or Narcotics | 0.939 | 0.110, 1.769 | 0.026 | |
| BUN/Cr (>18) | 0.725 | 0.058, 1.392 | 0.033 | |
| Non-white Race | 1.071 | 0.012, 2.130 | 0.048 | |
*
Abbreviations: IQCODE-Informant Questionnaire on Cognitive Decline in the Elderly, BUN/Cr-Blood Urea Nitrogen/Creatinine