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Table 4 Logistic regression analyses

From: Daytime napping associated with increased symptom severity in fibromyalgia syndrome

  B Standard error Wald Sig. Exp (B) Lower confidence interval (95%) Upper confidence interval (95%)
Gender −0.72 0.25 8.25 0.00 0.49 0.30 0.80
Use of opiods 0.36 0.14 6.81 0.01 1.43 1.09 1.88
Sleep problems 0.03 0.01 36.92 0.00 1.03 1.02 1.04
Fatigue 0.04 0.01 18.14 0.00 1.04 1.02 1.06
Constant −3.99 0.55 52.57 0.00 .02