Table 3.
Results of Multiple Linear Regression Models Relating Anxiety, Depression, Symptom Severity, and Quality of Life (Outcomes) to Age (Moderator) and Medical Comorbidities (Predictor).
| Models | B(SE) | β | F | R2 | Adj. R2 | ΔR2 | F-change | |
|---|---|---|---|---|---|---|---|---|
| Anxiety | ||||||||
| Step 1 | F (6,355)= 5.56** | .09 | .07 | -- | ---- | |||
| Constant | 10.44 (1.53)** | --- | ||||||
| Education | −1.03 (0.35)** | −.15 | ||||||
| Income | −0.01 (0.01) | −.06 | ||||||
| Married | 0.11 (0.57) | −.01 | ||||||
| Gender | −1.19 (0.62) | −.10 | ||||||
| Age | −0.05 (0.02)** | −.16 | ||||||
| medical comorbidities | 0.14 (0.04)** | .20 | ||||||
| Step 2 | F (7,354)= 5.82** | .10 | .09 | .02 | F(1,354)=6.86** | |||
| Constant | 11.24 (1.55)** | --- | ||||||
| Education | −1.04 (0.35)** | −.16 | ||||||
| Income | −0.01 (0.01) | −.07 | ||||||
| Married | −0.08 (0.57) | −.01 | ||||||
| Gender | −1.28 (0.61) | −.12 | ||||||
| Age | −0.05 (0.02)** | −.15 | ||||||
| medical comorbidities | 0.19 (0.04)** | .25 | ||||||
| Age*medical comorbidities | −0.01 (0.01)* | −.15 | ||||||
| Depression | ||||||||
| Step 1 | F (6,355)= 6.30** | .10 | .08 | -- | ---- | |||
| Constant | 9.44 (1.43)** | --- | ||||||
| Education | −1.05 (0.33)** | −.17 | ||||||
| Income | −0.01 (0.01) | −.06 | ||||||
| Married | −0.49 (0.52) | −.05 | ||||||
| Gender | −0.81 (0.58) | −.10 | ||||||
| Age | −0.02 (0.02) | −.16 | ||||||
| medical comorbidities | 0.14 (0.04)** | .21 | ||||||
| Step 2 | F (7,354)= 7.58** | .13 | .11 | .03 | F(1,354)=13.89** | |||
| Constant | 10.48 (1.44)** | --- | ||||||
| Education | −1.07 (0.33)** | −.16 | ||||||
| Income | −0.01 (0.01) | −.08 | ||||||
| Married | −0.73 (0.52) | −.08 | ||||||
| Gender | −1.05 (0.57) | −.09 | ||||||
| Age | −0.02 (0.02) | −.07 | ||||||
| medical comorbidities | 0.19 (0.04)** | .28 | ||||||
| Age*medical comorbidities | −0.02 (0.01)** | −.21 | ||||||
| Symptom Severity | ||||||||
| Step 1 | F (6,358)= 3.150** | .05 | .03 | -- | ||||
| Constant | 239.30 (23.80)** | --- | ||||||
| Education | 3.82 (5.51) | .04 | ||||||
| Income | −0.06 (0.08) | −.04 | ||||||
| Married | 18.41 (8.75)* | .13 | ||||||
| Gender | 16.03 (9.52) | .09 | ||||||
| Age | −0.80 (0.29)** | −.16 | ||||||
| medical comorbidities | 2.04 (0.65)** | .18 | ||||||
| Step 2 | F (7,357)= 2.73** | .05 | .03 | .00 | F(1,357)=0.25 | |||
| Constant | 241.71 (24.32)** | --- | ||||||
| Education | 3.78 (5.51) | .04 | ||||||
| Income | −0.06 (0.09) | −.04 | ||||||
| Married | 17.85 (8.82)* | .12 | ||||||
| Gender | 15.47 (9.59) | .09 | ||||||
| Age | −0.81 (0.29)** | −.16 | ||||||
| medical comorbidities | 2.17 (0.69)** | .19 | ||||||
| Age*medical comorbidities | −0.02 (0.04) | −.03 | ||||||
| Quality of Life | ||||||||
| Step 1 | F (6,359)= 5.06** | .08 | .06 | -- | --- | |||
| Constant | 46.95 (5.86)** | --- | ||||||
| Education | 3.37 (1.36)* | .13 | ||||||
| Income | 0.01 (0.02) | .04 | ||||||
| Married | −4.40 (2.18)* | −.12 | ||||||
| Gender | −0.32 (2.34) | −.01 | ||||||
| Age | 0.26 (0.07)** | .21 | ||||||
| medical comorbidities | −0.61 (0.16)** | −.22 | ||||||
| Step 2 | F (7,358)= 4.34** | .08 | .06 | .00 | F(1,358)=0.09 | |||
| Constant | 45.59 (5.98)** | --- | ||||||
| Education | 3.37 (1.36)* | .13 | ||||||
| Income | 0.01 (0.02) | .04 | ||||||
| Married | −4.32 (2.19)* | −.12 | ||||||
| Gender | −0.24 (2.36) | −.01 | ||||||
| Age | 0.26 (0.07)** | .21 | ||||||
| medical comorbidities | −0.62 (0.17)** | −.22 | ||||||
| Age*medical comorbidities | 0.00 (0.01) | .02 | ||||||
Note:
*
p < .05,
**
p <.01.