Table 3 |
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|
Summary of hierarchical multiple regression analysis for variables predicting agitation, non aggressive physical behavior, and verbally agitated behavior |
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|
Variable |
B |
SE B |
β |
|
|
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|
Overall agitation |
|||
|
Sex |
-4.17 |
6.01 |
-0.09 |
|
Severity of dementia |
.94 |
3.09 |
0.06 |
|
Disability (ADL) |
.40 |
0.50 |
0.17 |
|
Level of discomfort |
2.20 |
0.52 |
0.55*** |
|
R2 for Step 1 = 0.06, F(3,45) = 0.98 (p = 0.648) ΔR2 for Step 2 = 0.28, F(1,44) = 18.21*** R2 Total = 0.34, F(4,44) = 5.57*** |
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|
Non aggressive physical behavior |
|||
|
Sex |
-3.00 |
2.46 |
-0.17 |
|
Severity of dementia |
-1.14 |
1.27 |
-0.19 |
|
Disability (ADL) |
-0.04 |
0.21 |
-0.05 |
|
Level of discomfort |
0.70 |
0.21 |
0.45** |
|
R2 for Step 1 = 0.09, F(3,45) = 1.55 (p = 0.214) ΔR2 for Step 2 = 0.18, F(1,44) = 10.89** R2 Total = 0.28, F(4,44) = 4.14** |
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|
Verbally agitated behavior |
|||
|
Sex |
-0.98 |
2.51 |
-0.05 |
|
Severity of dementia |
0.57 |
1.29 |
0.09 |
|
Disability (ADL) |
0.38 |
0.21 |
0.36 |
|
Level of discomfort |
0.99 |
0.22 |
0.57** |
|
R2 for Step 1 = 0.09, F(3,45) = 1.45 (p = 0.241) ΔR2 for Step 2 = 0.30, F(1,44) = 21.04*** R2 Total = 0.38, F(4,44) = 6.83*** |
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|
|
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|
Note. Sex, severity of dementia and disability were introduced in a first block of the regression (Step 1), followed by the level of discomfort at the next step (Step 2). Statistics shown for each variable are those at Step 2. **p < 0.01 ***p < 0.001 |
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|
Pelletier and Landreville BMC Geriatrics 2007 7:27 doi:10.1186/1471-2318-7-27 |
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