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Table 2 Correlations between age, the symptom scales of the CAARS: S/O, variables of the TAP and the Qb+© factors for the adult sample

From: Assessing ADHD symptoms in children and adults: evaluating the role of objective measures

  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
1 age                    
2 CAARS: S DSM IA .04                   
3 CAARS: S DSM HY/Imp .16 .03                  
4 CAARS: S DSM ADHD .16 .50** .88**                 
5 CAARS: O DSM IA − .02 .41** .10 .29*                
6 CAARS: O DSM HY/Imp .16 .02 .53** .47** − .00               
7 CAARS: O DSM ADHD .16 .12 .54** .52** .24* .97**              
8 TAP1 reaction time .22 .21 .14 .22 .17 − .06 − .05             
9 TAP1 RT SD − .08 .15 .09 .15 .33** − .13 − .05 .43**            
10 TAP1 errors − .21 .05 − .04 − .02 .18 .15 .19 − .28* .13           
11 TAP1 omission errors − .19 .09 .12 .15 .24* .10 .15 .14 .43** .12          
12 TAP2 errors − .08 − .13 .04 − .03 .14 .06 .09 .15 .36** .21 − .01         
13 TAP2 omission errors .09 .25* .14 .24* .34** .07 .15 .25* .19 .11 .25* .10        
14 TAP3 reaction time .33** .10 .02 .06 .18 .03 .07 .55** .25* − .03 .06 .10 .17       
15 TAP3 RT SD .09 .03 − .01 .01 .13 .03. .06 .11 .34** .03 .15 .05 .12 .43**      
16 TAP3 errors − .03 − .02 .19 .16 .13 − .03 .01 .00 .13 .18 .27* .22 .09 − .15 .05     
17 TAP3 omission errors .10 .29* .18 .30** .48** .06 .18 .20 .28* .12 .35** .11 .39** .41** .33** .26*    
18 Qb activity − .02 .20 .18 .25* .38** − .07 .02 .26* .29* .06 .21 .17 .10 .33** .16 .15 .43**   
19 Qb impulsivity .13 .12 .01 .07 .26* .15 .21 − .09 .13 .36** .39** .22 .38** − .06 .15 .51** .37** .05  
20 Qb inattention .26* .14 .11 .17 .32** .07 .15 .50** .29* .19 .11 .29* .20 .65** .39** .11 .53** .45** .13
  1. CAARS: S CAARS self rating, CAARS: O CAARS observer rating, IA inattention, HY/Imp hyperactivity/impulsivity, TAP1 Go/Nogo task of the test battery of attention, TAP2 selective attention task, TAP3 sustained attention task, RT reaction time in ms, SD standard deviation
  2. * p < .05 level (two-tailed) ** p < .01 level (two-tailed)