Table 4 Multiple Linear Regression Analysis for Association Between Hemoglobin Level and Physical Functioning Scale (log transformed) after Adjusting for Baseline Characteristics (Following variables were removed because of lack of significant association in bivariate analysis: pack years of smoking, history of myocardial infarction and renal diseases)
Variable (n = 484) | Regression Coefficient | P Value | R2 | |
|---|---|---|---|---|
Beta | Std Error | |||
Hemoglobin | 0.01 | 0.01 | 0.35 | 0.1214 |
Age | -0.003 | 0.001 | 0.002 | |
Gender (Female ref) | 0.06 | 0.03 | 0.04 | |
Race (Caucasian ref) | -0.11 | 0.04 | 0.01 | |
Education | 0.02 | 0.005 | 0.002 | |
Diabetes | -0.13 | 0.03 | <0.0001 | |