Table 7.
Multivariate logistic regression analysis of the variables contributing to HGs-AUC.
| Independent variables | β coefficient | standard error | t | p | rpartial | rsemipartial |
|---|---|---|---|---|---|---|
| (Constant) | 23.9781 | |||||
| Age (years) | −0.03262 | 0.04084 | −0.799 | 0.426 | −0.08583 | 0.05902 |
| BMI (Kg/m2) | −0.03895 | 0.09174 | −0.425 | 0.672 | −0.04573 | 0.03137 |
| Level of education,yrs | −0.1127 | 0.1300 | −0.867 | 0.388 | −0.09305 | 0.06404 |
| Disease duration,yrs | −0.02357 | 0.07027 | −0.335 | 0.738 | −0.03615 | 0.02479 |
| WPI (0–19) | −0.6788 | 0.1850 | −3.670 | 0.003 | −0.3680 | 0.2712 |
| FIQR (0–100) | −0.7892 | 0.2492 | −3.167 | 0.016 | −0.3231 | 0.2340 |
| Sleep (NRS 0–10) | 0.1213 | 0.2294 | 0.529 | 0.598 | 0.05694 | 0.03907 |
| Fatigue (NRS 0–10) | 0.2174 | 0.1463 | 1.486 | 0.141 | 0.1582 | 0.1098 |
| R2 = 0.5183 | ||||||
| R2-adjusted = 0.4773 | ||||||
Abbreviations: HGs = handgrip strength, AUC = area under the curve, BMI = body mass index, WPI = Widespread Pain Index, FIQR = revised Fibromyalgia Impact Questionnaire, NRS = numerical rating scale.