Table 3.
Generalized estimating equations with Short Form-12 item (version 2) mental component summary score as the dependent variable (all time points).
| Parameter | Beta | SE | 95% Wald CI | Hypothesis Test | |||
| Wald chi-square | df a | P value | |||||
| Time point (Baseline) |
|
|
|
|
|
|
|
|
|
1 month | 1.00 | 0.55 | −0.07 to 2.08 | 3.32 | 1 | .07 |
|
|
3 months | 0.64 | 0.65 | −0.64 to 1.9 | 0.92 | 1 | .33 |
|
|
6 months | 0.68 | 0.74 | −0.76 to 2.12 | 0.86 | 1 | .35 |
| Caregiver gender (versus female) |
|
|
|
|
|
|
|
|
|
Male | 3.99 | 1.20 | 1.63 to 6.36 | 11.02 | 1 | .001b |
| Financial needs met (versus no) |
|
|
|
|
|
|
|
|
|
Yes | 1.06 | 1.02 | −0.94 to 3.05 | 1.08 | 1 | .30 |
| Caregiver age | 0.14 | 0.07 | 0.00 to 0.29 | 3.88 | 1 | .049b | |
| Study group (versus control) |
|
|
|
|
|
|
|
|
|
Treatment | −0.32 | 0.97 | −2.22 to 1.58 | 0.11 | 1 | .74 |
| Relationship to care recipient (versus other) |
|
|
|
|
|
|
|
|
|
Spouse | −1.58 | 1.53 | −4.59 to 1.42 | 1.07 | 1 | .30 |
| Years in caregiver role | −0.07 | 0.13 | −0.33 to 0.19 | 0.28 | 1 | .60 | |
| GSESc total score | 0.54 | 0.10 | 0.34 to 0.741 | 28.26 | 1 | <.001a | |
| SF-12v2 PCSd | −0.26 | 0.04 | −0.35 to −0.174 | 35.37 | 1 | <.001a | |
| HHI total score | 0.69 | 0.09 | 0.52 to 0.870 | 60.09 | 1 | <.001a | |
adf: degrees of freedom.
bSignificant at P ≤.05.
cGSES: General Self-Efficacy Scale.
dSF-12v2 PCS: Short Form-12 item (version 2) physical component summary score.