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Table 7 Hierarchical linear regression analyses adjusted for age predicting WHOQOL-26 domain scores from SCL-90R depression score

From: Quality of life in adults with Gilles de la Tourette Syndrome

Order of entry β Significance of β R2 ΔR2 ΔF Significance of ΔF
   (p-value)     (p-value)
Physical health       
Step 1    0.5428 0.5428 53.43 <0.0001
VAS TIC -0.30 0.0053     
SCL-90R depression score -0.71 <0.0001     
Step 2    0.5444 0.0016 0.48 0.4898
Interaction of VAS TIC and SCL-90R depression score 0.13 0.4898     
Psychological health       
Step 1    0.5504 0.5504 55.10 <0.0001
VAS TIC -0.12 0.2590     
SCL-90R depression score -0.89 <0.0001     
Step 2    0.5420 0.0048 1.45 0.2303
Interaction of VAS TIC and SCL-90R depression score 0.22 0.2303     
Social relationships       
Step 1    0.2926 0.2926 18.75 <0.0001
VAS TIC -0.06 0.6402     
SCL-90R depression score -0.58 0.0010     
Step 2    0.2931 0.0005 0.10 0.7509
Interaction of VAS TIC and SCL-90R depression score 0.07 0.7509     
Environment       
Step 1    0.2533 0.2533 15.38 <0.0001
VAS TIC -0.24 0.0792     
SCL-90R depression score -0.60 0.0008     
Step 2    0.2599 0.0065 1.19 0.2769
Interaction of VAS TIC and SCL-90R depression score 0.25 0.2769     
  1. VAS TIC: visual analogue mean scores of severity of Tics; SCL-90R: Symptom Checklist 90 Revised of psychiatric symptoms.