Table 5: Regression models describing patient’s factors predictors of pain, function and health status (n=44)
| Construct Measure |
Dependent Variable |
Covariates in the model: beta (p values) are shown |
Model |
| Age |
Gender |
Comorbidity |
R2
|
p value |
| Pain |
SPADI-Pain |
.15 (38) |
.20 (.21) |
.32 (.07) |
.15 |
.10 |
| NRS of Pain |
.27 (.11) |
-.08 (.62) |
.16 (.37) |
.16 |
.08 |
| PainCS |
.20 (.22) |
.16 (.30) |
.52(.004)** |
.19 |
.04* |
| Function |
FIT-HaNSA |
-.42 (.01) |
.04 (.81) |
-.15 (.37) |
.27 |
.01** |
| SPADI-Disability |
.43(.004)** |
.06 (.65) |
.30 (.06) |
.36 |
<.001** |
| QuickDASH |
.26 (.11) |
.14 (.37) |
.37 (.04)* |
.25 |
.01** |
| Health Status |
SF12-PCS |
-.16 (.32) |
-.20 (.20) |
-.40(.02)* |
.21 |
.03* |
| SF1-2MCS |
.33 (.04)* |
.07 (.63) |
-.55(.002)** |
.28 |
.005** |
Abbreviations and Symbols: DASH, Disabilities of the Arm, Shoulder and Hand; FIT-HaNSA, (Functional Impairment Test-Head and Neck, Shoulder, Arm); MCS, Mental Component Summary; NRS, Numeric Rating Scale; PainCS, Pain Catastrophizing Scale; PCS, Physical Component Summary; SPADI, Shoulder Pain and Disability Index; R2, Coefficient of determination; SF12, Short Form 12-item health survey version 2; SPADI, Shoulder Pain and Disability Index; ** beta and R2 are significant at 0.01 level; * beta and R2 are significant at 0.05 level. Significant beta and R2 are bolded.