Table 1.
Descriptive statistics comparing subjects who have complete data to those missing at least one of the covariates. Entries are percentages for categorical variables and means with standard deviations for continuous variables. MMSE = Mini-Mental State Examination; CDRGLOB = Global Clinical Dementia Rating.
| No missing data, n = 3049 |
Some missing data, n = 311 |
|||
|---|---|---|---|---|
| Variable | Value |
Percent/ Mean (sd) |
Percent/ Mean (sd) |
p-value |
| AChEI | No | 36.67% | 43.09% | 0.0301 |
| Yes | 63.33% | 56.91% | ||
| Memantine | No | 64.25% | 63.99% | 0.9759 |
| Yes | 35.75% | 36.01% | ||
| Race/Ethnicity | White | 77.63% | 72.73% | 0.0034 |
| Black | 14.56% | 13.8% | ||
| Non-Black Hispanic | 7.81% | 13.47% | ||
| Gender | Female | 57.33% | 59.81% | 0.4344 |
| Male | 42.67% | 40.19% | ||
| Age | - | 77.27 (9.12) | 78.14 (10.25) | 0.1530 |
| Education | <12 | 43.26% | 45.26% | 0.1739 |
| 12-16 | 37.03% | 31.75% | ||
| >16 | 19.71% | 22.99% | ||
| Marital Status | Not Married | 36.93% | 40.28% | 0.2893 |
| Married | 63.07% | 59.72% | ||
| Referral | Other | 46.84% | 25.24% | < 0.0001 |
| Clinic/Clinician | 53.16% | 74.76% | ||
| MMSE | - | 18.95 (7.16) | 18.75 (7.85) | 0.7544 |
| CDRGLOB | - | 1.25 (0.75) | 1.8 (0.96) | < 0.0001 |