TABLE 2.

Multivariate Linear Regression Analysis for the Association Between Depressive Symptom Severity as Measured by PHQ-9 and Known Risk Factors

Independent Variable Description	Estimate	SE	p value
Disease duration	0.029	0.040	0.469
Age at visit	−0.059	0.029	0.046
Fibromylagia	4.364	0.953	<0.001
Overweight/obesity	4.380	4.380	<0.001
Sex	−2.302	1.262	0.069