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Table 4 Stepwise multiple logistic regression analysis of demographic, medical and psychological variables in relation to PSQI in RA patients

From: Sleep quality in Chinese patients with rheumatoid arthritis: contributing factors and effects on health-related quality of life

Predictors

β

SE

p

Exp(B)

95%CI

Lower

Upper

HADS-D

0.340

0.122

0.007

1.406

1.106

1.786

DAS-28

0.520

0.193

0.004

1.681

1.152

2.453

  1. p values were obtained with stepwise multiple logistic regression analysis
  2. DAS28 Disease Activity Score in 28 Joints, HADS Hospital Anxiety and Depression Scale, PSQI Pittsburgh Sleep Quality Index