Table 7: ANOVA results (asterisk(s) represent statistical significance).
|
Resources† |
Df |
Sum Sq. |
Mean Sq. |
F value |
Pr{>F}‡ |
ANOVA 1 Total time (before chair) |
Lab |
2 |
210,264 |
105,132 |
3.319e+05 |
<2e-16 *** |
Chair |
1 |
4,687 |
4,687 |
1.480e+04 |
<2e-16 *** |
|
Nurse |
1 |
88 |
88 |
2.782e+02 |
<2e-16 *** |
|
Lab:Chair |
1 |
16 |
16 |
4.985e+01 |
3.35e-12 *** |
|
Lab:Nurse |
1 |
1 |
1 |
2.790e+00 |
0.0952 . |
|
Chair:Nurse |
1 |
3 |
3 |
8.681e+00 |
0.0033 ** |
|
Lab:Chair:Nurse |
1 |
5 |
5 |
1.652e+01 |
5.25e-05 *** |
|
Residuals |
891 |
282 |
0 |
- |
- |
|
ANOVA 2 Total time (in chair) |
Lab |
2 |
0.15 |
0.07 |
0.221 |
0.8016 |
Chair |
1 |
170.48 |
170.48 |
515.979 |
<2e-16 *** |
|
Nurse |
1 |
165.04 |
165.04 |
499.506 |
<2e-16 *** |
|
Lab:Chair |
1 |
1.62 |
1.62 |
4.917 |
0.0268 * |
|
Lab:Nurse |
1 |
0.70 |
0.70 |
2.134 |
0.1444 |
|
Chair:Nurse |
1 |
60.83 |
60.83 |
184.126 |
<2e-16 *** |
|
Lab:Chair:Nurse |
1 |
7.21 |
7.21 |
21.808 |
3.48e-06 *** |
|
Residuals |
891 |
294.38 |
0.33 |
- |
- |
|
ANOVA 3 Resources utilization |
Lab |
2 |
0.5070 |
0.25349 |
1224.996 |
<2e-16 *** |
Chair |
1 |
0.0933 |
0.09331 |
450.914 |
<2e-16 *** |
|
Nurse |
1 |
0.2908 |
0.29076 |
1405.107 |
<2e-16 *** |
|
Lab:Chair |
1 |
0.0003 |
0.00032 |
1.566 |
0.21118 |
|
Lab:Nurse |
1 |
0.0019 |
0.00192 |
9.280 |
0.00238 ** |
|
Chair:Nurse |
1 |
0.0119 |
0.01191 |
57.568 |
8.21e-14 *** |
|
Lab:Chair:Nurse |
1 |
0.0005 |
0.00054 |
2.624 |
0.10558 |
|
Residuals |
891 |
0.1844 |
0.00021 |
- |
- |
†':' represents the interaction of two or more factors (applied elsewhere); ‡Significance codes: 0 '***' 0.005 '**' 0.05 '*' 0.1 '.'