Table 3. Unadjusted and adjusted differences in mean general health score by sociodemographic characteristics.
| GH Score | Difference in General Health Score , (95% CI)a | |||
| Characteristics | N | Mean±SD | Unadjusted | Adjusteda |
| Age | ||||
| 18-59 yr | 417 | 55.6±23.4 | Ref=0 | Ref=0 |
| ≥ 60 yr | 108 | 53.9±24.7 | -1.62 (-6.64, 3.40) | .15 (-5.51, 5.81) |
| Gender | ||||
| Female | 203 | 51.5±23.9 | Ref=0 | Ref=0 |
| Male | 322 | 57.6±23.2 | 6.02 (1.88, 10.2) | 6.29 (1.56, 11.0) |
| Race | ||||
| White | 60 | 56.6±24.5 | Ref=0 | Ref=0 |
| Mixed | 311 | 55.3±23.3 | -1.32 (-7.88, 5.23) | -1.67 (-8.90, 5.56) |
| Black | 154 | 54.5±24.0 | -2.07 (-9.16, 5.01) | -3.34 (-11.2, 4.53) |
| Education | ||||
| ≥ high school | 200 | 55.6±23.2 | Ref = 0 | Ref=0 |
| < high school | 322 | 55.1±24.0 | -.53 (-4.72, 3.67) | .74 (-4.20, 5.67) |
| Economic class | ||||
| > Poor | 244 | 56.1±22.9 | Ref = 0 | Ref=0 |
| Poor/Very Poor | 232 | 55.1±24.6 | -1.47 (-5.74, 2.80) | -1.60 (-6.38, 3.19) |
a. Difference in the linear regression model with inclusion of sociodemographic variables (age, gender, race, marital status, education and economic class months of dialysis, dialysis dose by Kt/V, serum creatinine, serum albumin, hemoglobin, type of vascular access for hemodialysis, hypertension, heart failure, diabetes, chronic obstructive pulmonary disease, cerebrovascular disease and low-prevalence comorbidities (asthma, chronic obstructive pulmonary disease, infections by virus B or virus C, cancer and peripheral vascular disease) as a single group.