Table 4.
Post hoc comparisons of African American and White veterans in two age groups for adjusted mean scores of health literacy, objective numeracy, graph literacy, and subjective numeracy
| 95% Confidence Interval |
||||||
|---|---|---|---|---|---|---|
| Age and Literacy Construct | Race (n) | M | SD | Lower bound | Upper bound | p |
| Younger than 65 years | ||||||
| Health literacy | African American (224) | 2.513a | .134 | 2.250 | 2.776 | .000 |
| White (105) | 4.162a | .201 | 3.767 | 4.558 | .000 | |
| Subjective numeracy | African American(224) | 32.127a | .648 | 30.853 | 33.401 | .000 |
| White (105) | 36.824a | .973 | 34.910 | 38.737 | .000 | |
| Objective numeracy | African American(224) | 4.855a | .151 | 4.557 | 5.153 | .000 |
| White (105) | 6.386a | .227 | 5.938 | 6.833 | .000 | |
| Graphical literacy | African American(224) | 6.753a | .180 | 6.399 | 7.106 | .000 |
| White (105) | 8.090a | .270 | 7.559 | 8.620 | .000 | |
| Older than 65 years | ||||||
| Health literacy | African American (31) | 2.664b | .418 | 1.831 | 3.496 | .169 |
| White (55) | 3.408b | .308 | 2.795 | 4.020 | .169 | |
| Subjective numeracy | African American (31) | 36.566b | 1.816 | 32.947 | 40.184 | .862 |
| White (55) | 36.972b | 1.337 | 34.309 | 39.635 | .862 | |
| Objective numeracy | African American (31) | 5.322b | .443 | 4.440 | 6.204 | .111 |
| White (55) | 6.237b | .326 | 5.588 | 6.886 | .111 | |
| Graphical literacy | African American (31) | 5.533b | .545 | 4.448 | 6.618 | .001 |
| White (55) | 8.027b | .401 | 7.228 | 8.825 | .001 | |
Covariates appearing in the model are evaluated at the following values: education = 12.82, median household income in the past 12 months = $41,596.64, body mass index = 29.51, marital status = 2.49, number of medication = 6.07, Charlson Comorbidity Index = 2.38, trust in physicians = 63.23, perception of general health = 3.24, number of mental health conditions = 2.84.
Covariates appearing in the model are evaluated at the following values: education = 13.22, median household income in the past 12 months = $47, 490.70, body mass index = 28.90, marital status = 2.84, number of medication = 6.72, Charlson Comorbidity Index = 2.83, trust in physicians = 68.53, perception of general health = 3.20, number of mental health conditions = 2.05.