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Table 5 Independent variables associated with positive screening for sleep disturbance in SCD

From: Sleep disturbance, depression and pain in adults with sickle cell disease

Variable F (df) p
Mild + Moderate Pain (days)1 9.09 (1,290) .003
Severe + Extreme Pain (events) 1 15.62 (1,290) <.001
Age (years) 9.39 (1,290) .002
BMI (kg/m2)1 6.55 (1,290) .011
  1. 1Transformed using the natural log function.