Table 5.

Stepwise regression analyses of medical and psychological variables and their relationship to SDS in SLE patients.

SDS	Coef.	Std. Err.	t	P	[95% CI]
SLEDAI	0.19	0.09	2.08	0.04	0.01, 0.37
VT	−0.19	0.05	−3.48	0.001	−0.30, −0.08
PF	−0.13	0.05	−2.60	0.01	−23.8, −0.03
SF	−0.09	0.03	−2.69	0.009	−0.15, −0.02
RE	−0.08	0.02	−3.13	0.003	−0.12, −0.03

SDS: revised Self-Rating Depression Scale; SLEDAI: Systemic Lupus Erythematosus Disease Activity Index; VT: energy/vitality; PF: physical functioning; SF: social functioning; RE: role limitations due to emotional problems.