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Table 8 Hierarchical regression analyses adjusted for age predicting FSQ dimension 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 (p-value) R2 ΔR2 ΔF Significance of ΔF (p-value)
Physical – basic ADL       
Step 1    0.0770 0.0770 3.81 0.0117
VAS TIC -0.09 0.5587     
SCL-90R depression score -0.07 0.7152     
Step 2    0.0789 0.0019 0.28 0.5961
Interaction of VAS TIC and SCL-90R depression score -0.14 0.5961     
Physical – intermediate ADL       
Step 1    0.2977 0.2977 19.36 <0.0001
VAS TIC -0.16 0.2185     
SCL-90R depression score -0.18 0.2872     
Step 2    0.3049 0.0072 1.41 0.2372
Interaction of VAS TIC and SCL-90R depression score -0.26 0.2372     
Mental health       
Step 1    0.5972 0.5972 67.70 <0.0001
VAS TIC -0.01 0.9567     
SCL-90R depression score -0.69 <0.0001     
Step 2    0.5980 0.0008 0.28 0.6001
Interaction of VAS TIC and SCL-90R depression score -0.09 0.6001     
Work performance       
Step 1    0.1489 0.1489 4.20 0.0085
VAS TIC 0.14 0.5002     
SCL-90R depression score 0.17 0.4910     
Step 2    0.1976 0.0487 4.31 0.0514
Interaction of VAS TIC and SCL-90R depression score -0.58 0.0514     
Social activities       
Step 1    0.2649 0.2649 16.34 <0.0001
VAS TIC -0.07 0.5866     
SCL-90R depression score -0.11 0.5390     
Step 2    0.2775 0.0126 2.36 0.1271
Interaction of VAS TIC and SCL-90R depression score -0.35 0.1271     
Quality of social interactions       
Step 1    0.2936 0.2936 18.98 <0.0001
VAS TIC -0.02 0.8817     
SCL-90R depression score -0.53 0.0025     
Step 2       
Interaction of VAS TIC and SCL-90R depression score -0.01   0.2936 0.0000 0.00 0.9486
   0.9486     
  1. VAS TIC: visual analogue mean scores of severity of Tics; SCL-90R: Symptom Checklist 90 Revised of psychiatric symptoms.