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Correlation1 and Regression2 Results |
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| Prospective |
Retrospective |
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|
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| 1 |
2 |
3 |
4 |
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| Correlation |
Regression |
Correlation |
Regression |
|
|
|
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| R2 |
.17 |
.37 |
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| Age |
-0.13 |
0.09 |
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| Age ≥ 60 |
-0.17 |
-3.81 |
0.16 |
0.75 |
| Gender |
0.05 |
0.07 |
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| White |
-0.04 |
-0.00 |
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| College Graduate |
-0.01 |
-0.18 |
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| Log (age) |
-0.14 |
0.08 |
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| Age*sex |
0.03 |
0.11 |
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| Log (age)*sex |
0.05 |
0.08 |
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| Cancer |
-0.03 |
0.03 |
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| Baseline health (high best) |
0.17 |
0.253 |
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| QOL Baseline (high best) |
0.383 |
1.70 |
0.583 |
0.43 |
| PAIN Baseline (low best) |
-0.01 |
-0.04 |
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| # of days lived |
0.08 |
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| Days Lived*QOL |
0.323 |
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| Days Lived*Pain |
.14 |
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1 Correlation with WQL. 2 Regression of WQL on the column variables, using backward elimination with a p to retain of 0.10. 3 Correlation coefficient is significantly different from zero (p < .05 2-tailed). | ||||
Diehr et al. Health and Quality of Life Outcomes 2007 5:51 doi:10.1186/1477-7525-5-51 |
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