Supplementary Table VIII.
ANCOVA pairwise testing of differences in mean number of outpatient visits, adjusted for years of enrolment, in the Optum cohort
| Groups | ANCOVA P value |
|---|---|
| Asian vs Black | .051 |
| Asian vs Hispanic | 1.000 |
| Asian vs White | 1.000 |
| Black vs Hispanic | .026∗ |
| Black vs White | <.001† |
| Hispanic vs White | .059 |
| Groups | Adjusted mean | 95% confidence interval of adjusted mean |
|---|---|---|
| Asian | 4 | 2.8-5.1 |
| Black | 5.6 | 5.2-6.1 |
| Hispanic | 4.5 | 3.9-5.1 |
| White | 3.6 | 3.4-3.9 |
ANOVA, Analysis of variance.
∗
P < .05.
†
P < .001.