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. 2008 Sep 2;5(3):161. doi: 10.1007/s10433-008-0092-6

Table 4.

Psychosocial mediation between impairments and functional limitations

Model (Dep. variable) Predictor variable B Std. error Beta P value Model R 2
10.A (Physical limitations) (Constant) −0.97 2.26 0.67 0.10
Age 0.04 0.02 0.15 0.08
Vision −0.29 0.10 −0.24* 0.00
10.B (Depression) (Constant) 30.32 21.13 0.15 0.04
Age −0.15 0.22 −0.06 0.49
Vision −2.09 0.95 −0.20* 0.03
10.C (Physical limitations) (Constant) 0.74 2.22 0.74 0.13
Age 0.02 0.02 0.07 0.44
Vision −0.25 0.10 −0.22* 0.01
Depression 0.02 0.01 0.23* 0.01
11.A (Physical limitations) (Constant) −0.97 2.26 0.67 0.10
Age 0.04 0.02 0.15 0.08
Vision −0.29 0.10 −0.24* 0.00
11.B (Mastery) (Constant) 0.93 1.71 0.59 0.05
Age 0.01 0.02 0.03 0.77
Vision 0.20 0.08 0.24* 0.01
11.C (Physical limitations) (Constant) 2.23 2.13 0.30 0.22
Age 0.01 0.02 0.05 0.53
Vision −0.21 0.10 −0.18* 0.03
Mastery −0.52 0.11 −0.38* 0.00
12.A (Physical limitations) (Constant) −0.97 2.26 0.67 0.10
Age 0.04 0.02 0.15 0.08
Vision −0.29 0.10 −0.24* 0.00
12.B (Loneliness) (Constant) −0.91 1.35 0.50 0.08
Age 0.03 0.01 0.20* 0.02
Vision −0.10 0.06 −0.15 0.08
12.C (Physical limitations) (Constant) 0.66 2.22 0.77 0.13
Age 0.02 0.02 0.07 0.41
Vision −0.32 0.10 −0.27* 0.00
Loneliness 0.25 0.14 0.15 0.08
13.A (Physical limitations) (Constant) −1.79 2.41 0.46 0.07
Age 0.05 0.02 0.17* 0.05
Hearing −0.23 0.13 −0.15 0.08
13.B (Loneliness) (Constant) −1.13 1.38 0.42 0.07
Age 0.04 0.01 0.21* 0.01
Hearing −0.09 0.08 −0.11 0.21
13.C (Physical limitations) (Constant) −1.44 2.34 0.54 0.07
Age 0.03 0.02 0.12 0.17
Hearing −0.11 0.13 −0.07 0.41
Loneliness 0.30 0.14 0.18* 0.04
14.A (Physical limitations) (Constant) 1.48 2.32 0.53 0.10
Age 0.01 0.02 0.04 0.63
Gender −0.15 0.21 −0.08 0.49
Married −0.20 0.22 −0.10 0.36
Lung function −0.00 0.00 −0.29* 0.00
14.B (Depression) (Constant) 47.05 21.18 0.03 0.07
Age −0.37 0.22 −0.16 0.09
Gender −0.85 1.90 −0.05 0.66
Married −2.32 1.94 −0.13 0.23
Lung function −0.01 0.01 −0.20 0.06
14.C (Physical limitations) (Constant) 1.55 2.24 0.49 0.09
Age 0.00 0.02 0.02 0.84
Gender −0.04 0.20 −0.03 0.83
Married −0.07 0.20 −0.04 0.74
Lung function −0.00 0.00 −0.23* 0.03
Depression 0.02 0.01 0.15 0.12
15.A (Physical limitations) (Constant) 1.48 2.32 0.53 0.10
Age 0.01 0.02 0.04 0.63
Gender −0.15 0.21 −0.08 0.49
Married −0.20 0.22 −0.10 0.36
Lung function −0.00 0.00 −0.29* 0.00
15.B (Mastery) (Constant) 0.02 1.71 0.99 0.07
Age 0.02 0.02 0.10 0.29
Gender 0.04 0.16 0.03 0.79
Married 0.01 0.16 0.01 0.94
Lung function 0.00 0.00 0.27* 0.01
15.C (Physical limitations) (Constant) 2.33 2.10 0.27 0.17
Age 0.01 0.02 0.02 0.79
Gender −0.02 0.19 −0.01 0.92
Married −0.09 0.19 −0.05 0.66
Lung function −0.00 0.00 −0.17 0.10
Mastery −0.42 0.11 −0.33* 0.00
16.A (Physical limitations) (Constant) 1.48 2.32 0.53 0.10
Age 0.01 0.02 0.04 0.63
Gender −0.15 0.21 −0.08 0.49
Married −0.20 0.22 −0.10 0.36
Lung function −0.00 0.00 −0.29* 0.00
16.B (Loneliness) (Constant) 1.17 1.34 0.39 0.05
Age 0.01 0.01 0.05 0.57
Gender −0.01 0.12 −0.01 0.96
Married −0.07 0.12 −0.06 0.59
Lung function −0.00 0.00 −0.19 0.08
16.C (Physical limitations) (Constant) 1.96 2.21 0.38 0.09
Age 0.00 0.02 0.01 0.87
Gender −0.07 0.20 −0.04 0.73
Married −0.12 0.20 −0.06 0.56
Lung function −0.00 0.00 −0.29* 0.01
Loneliness −0.01 0.15 −0.01 0.92
17. A(Physical limitations) (Constant) −3.80 2.13 0.08 0.06
Age 0.05 0.02 0.18* 0.03
Gender 0.10 0.17 0.05 0.54
Pulse 0.01 0.01 0.15 0.08
17.B (Loneliness) (Constant) −2.18 1.22 0.08 0.09
Age 0.04 0.01 0.22 0.01
Gender 0.08 0.10 0.07 0.39
Pulse 0.01 0.00 0.17* 0.05
17.C (Physical limitations) (Constant) −2.34 2.10 0.27 0.06
Age 0.03 0.02 0.13 0.15
Gender 0.11 0.17 0.06 0.50
Pulse 0.01 0.01 0.10 0.26
Loneliness 0.21 0.15 0.12 0.16
18.A (Physical limitations) (Constant) 1.49 2.09 0.48 0.23
Age 0.02 0.02 0.07 0.35
Gender −0.17 0.19 −0.09 0.36
Married 0.01 0.20 0.01 0.94
Grip strength −2.20 0.39 −0.50* 0.00
18.B (Mastery) (Constant) 1.18 1.64 0.47 0.08
Age 0.01 0.02 0.03 0.77
Gender −0.02 0.15 −0.01 0.92
Married −0.03 0.15 −0.02 0.84
Grip strength 0.88 0.30 0.29* 0.00
18.C (Physical limitations) (Constant) 2.40 1.96 0.22 0.28
Age 0.01 0.02 0.05 0.53
Gender −0.07 0.18 −0.04 0.68
Married 0.09 0.18 0.05 0.61
Grip strength −1.51 0.38 −0.37* 0.00
Mastery −0.43 0.11 −0.32* 0.00

Note: B is the unstandardized regression coefficient, Std. error is the standard error for this coefficient, and Beta is the standardized regression coefficient; * P-value was <0.05; −0.00 represents a negative value that appears in the table as negative zero because only 2 decimal places were used. Models denoted by letter A indicate that this model tests the direct effect between the independent variable and the outcome variable; models denoted by letter B indicate that this model tests the direct effect between the independent variable and the mediator variable; models denoted by letter C indicate that this model tests the mediating effect between the independent variable and the outcome variable. On several occasions, the R 2 values of model version C are less than those of version A, which is due the listwise deletion of cases missing data on the psychosocial mediator variables