Table 5.
Selected Results of GEE Model for Family Participants’ Anxiety.
| Predictor | Estimate for β | 95% confidence interval | P |
|---|---|---|---|
| Time | 4.46 | [1.32, 7.60] | .005 |
| Intervention | −0.01 | [−2.66, 2.64] | .994 |
| Interaction of time and intervention | −4.71 | [−8.20, −1.23] | .008 |
| Age (years) | −0.04 | [−0.12, 0.05] | .417 |
| Gender | |||
| Male | −4.55 | [−6.96, −2.14] | <.001 |
| Femalea | — | — | — |
| Education | |||
| Below high school | 3.53 | [1.67, 0.26] | .0341 |
| High school or GED equivalency | 2.36 | [1.43, −0.45] | .1 |
| Some college or higher educationa | — | — | — |
| Income | |||
| Equal, below federal poverty linea | — | — | — |
| Higher than federal poverty line | 0.76 | [−2.20, 3.72] | .616 |
| Unknown/unreported | −2.49 | [−5.22, 0.25] | .075 |
| HIV-positive | |||
| Yes | 1.56 | [−0.92, 4.05] | .217 |
| No/do not knowa | — | — | — |
Note. Significance set at p < .05. GEE = generalized estimating equations; GED = General Education Diploma.
a
Used as the reference group for a categorical predictor.