Table 4.
Identification of Potential Confounding Variables to be Included in the Multivariable Model
| Age | Employment | Tobacco User | Sex | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pearson Coefficient |
p-value | F-value | d.f. | p-value | F-value | d.f. | p-value | F-value | d.f. | p-value | |
| PROMIS Physical Function CAT (PF) | −0.21 | <0.05 | 30.94 | 6 | <0.05 | 8.16 | 3 | <0.05 | 16.59 | 1 | <0.05 |
| PROMIS Upper Extremity CAT (UE) | −0.04 | 0.13 | 11.02 | 6 | <0.05 | 9.69 | 3 | <0.05 | 15.48 | 1 | <0.05 |
| Quick DASH (qDASH) | 0.03 | 0.4 | 13.24 | 6 | <0.05 | 12.87 | 3 | <0.05 | 19.95 | 1 | <0.05 |
Abbreviations: d.f. - degrees of freedom; F-value - F-statistic value from one-way ANOVA
Factors associated with bolded p-values were included in the multivariable regression model.