Table 3.
Multivariable hierarchical linear regressions of social relationship variables as moderators of association between illness burden and depressive symptoms
Perceived Social Support | All Social Support Subscales | All Social Support and Family Criticism Subscales |
|||||||
---|---|---|---|---|---|---|---|---|---|
Step 1 R2 | R2=.283 | R2=.282 | R2=.294 | ||||||
Step 2 ΔR2 | ΔR2=.001 | ΔR2=.007 | ΔR2=.009 | ||||||
Step 1 | T-value | Unβ[SE] | T-value | Unβ[SE] | T-value | Unβ[SE] | |||
Gender | −4.96*** | −2.20 | [.44] | −4 95*** | −2.17 | [.44] | −5 24*** | −2.31 | [.44] |
Age | −2.04* | −.07 | [.03] | −1.51 | −.05 | [.03] | −1.09 | −.04 | [.03] |
Race | −2.03* | −.57 | [.28] | −1.54 | −.47 | [.30] | −1.56 | −.46 | [.30] |
Residence | .69 | .09 | [.14] | .11 | .02 | [.13] | .56 | .08 | [.14] |
Education | −1.54 | −.14 | [.09] | −1.00 | −.09 | [.09] | −.15 | −.01 | [.09] |
Cognitive Status | .69 | .07 | [.10] | .98 | .09 | [.10] | 1.43 | .14 | [.10] |
Karnofsky | 5 85*** | .12 | [.02] | 4 56*** | .10 | [.02] | 4 88*** | .10 | [.02] |
CIRS | 4.33*** | .37 | [.09] | 4.20*** | .35 | [.08] | 4 10*** | .35 | [.08] |
FEICS | - | - | - | - | - | - | 2.42* | .18 | [.08] |
Social Interaction | −3 59*** | −.49 | [.14] | −2.07* | −.29 | [.14] | −1.95 | −.28 | [.14] |
Perceived Social Support | - | - | - | −6.73*** | −.71 | [.11] | −5.66*** | −.71 | [.13] |
Instrumental Support | - | - | - | −1.00 | −.09 | [.09] | −.78 | −.07 | [.09] |
Step 2 | T-value | Unβ[SE] | T-value | Unβ[SE] | T-value | Unβ[SE] | |||
Gender | −4 95*** | −2.19 | [.44] | −4 94*** | −2.16 | [.44] | −5.20*** | −2.28 | [.44] |
Age | −1.81 | −.06 | [.03] | −1.35 | −.04 | [.03] | −.86 | −.03 | [.03] |
Race | −2.12* | −.60 | [.28] | −1.59 | −.48 | [.30] | −1.58 | −.47 | [.30] |
Residence | .70 | .10 | [.14] | .08 | .01 | [.13] | .56 | .08 | [.14] |
Education | −1.68 | −.16 | [.09] | −1.10 | −.10 | [.09] | −.33 | −.03 | [.09] |
Cognitive Status | .71 | .07 | [.10] | 1.01 | .10 | [.10] | 1.53 | .15 | [.10] |
Karnofsky | 5 55*** | .12 | [.02] | 4 39*** | .09 | [.02] | 4 69*** | .10 | [.02] |
CIRS | 4.38*** | .37 | [.09] | 4 20*** | .35 | [.08] | 3.96*** | .34 | [.09] |
FEICS | - | - | - | 2.33* | .18 | [.08] | |||
Social Interaction | −3.42** | −.47 | [.14] | −1.97* | −.27 | [.14] | −1.91 | −.27 | [.14] |
Perceived Social Support | - | - | - | −6.81*** | −.74 | [.11] | −5 78*** | −.74 | [.13] |
Instrumental Support | - | - | - | −1.02 | −.09 | [.09] | −.95 | −.09 | [.10] |
CIRS*FEICS | - | - | - | - | - | 1.38 | .03 | [.02] | |
CIRS* Social Interaction | −2.50* | −.11 | [.04] | −2.25* | −.10 | [.05] | −2.43* | −.11 | [.05] |
CIRS*Perceived Social Support | - | - | - | 1.55 | .05 | [.03] | 1.23 | .04 | [.04] |
CIRS* Instrumental Support | - | - | - | −.48 | −.01 | [.03] | −.33 | −.01 | [.03] |
Note: Cognitive status = MMSE; Functional Impairment = Karnofsky; Illness Burden = CIRS; Depressive Symptoms = Hamilton Depression Rating Scale; Social Interaction, Perceived Social Support, and Instrumental support = Subscales of the Duke Social Support Index; Family Criticism = subscale of Family Emotional Involvement and Criticism Scale;
p<.05
p<.01
p<.001