Treatment Arm

Any siblings with Attention Deficit Disorder (ADD)/Attention Deficit Hyperactivity Disorder(ADHD)? vs Visit Number
Baseline Follow-up
Total 453 453
No 310 -
Yes 54 -
Not sure 36 -
Unknown 53 453
Any siblings with Attention Deficit Disorder (ADD)/Attention Deficit Hyperactivity Disorder(ADHD)? vs Treatment Arm
Baseline
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
No 163 147 310
Yes 22 32 54
Not sure 13 23 36
Unknown 28 25 53
Any siblings with Attention Deficit Disorder (ADD)/Attention Deficit Hyperactivity Disorder(ADHD)? vs Treatment Arm
Follow-up
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
No - - -
Yes - - -
Not sure - - -
Unknown 226 227 453
Any siblings with Attention Deficit Disorder (ADD)/Attention Deficit Hyperactivity Disorder(ADHD)? vs Child's age
Baseline
5 - 7 years old 8 - 10 years old Total
Total 329 124 453
No 214 96 310
Yes 45 9 54
Not sure 25 11 36
Unknown 45 8 53
Any siblings with Attention Deficit Disorder (ADD)/Attention Deficit Hyperactivity Disorder(ADHD)? vs Child's age
Follow-up
5 - 7 years old 8 - 10 years old Total
Total 262 137 399
No - - -
Yes - - -
Not sure - - -
Unknown 262 137 399
Any siblings with Attention Deficit Disorder (ADD)/Attention Deficit Hyperactivity Disorder(ADHD)? vs Child's gender
Baseline
Female Male Total
Total 234 219 453
No 156 154 310
Yes 30 24 54
Not sure 21 15 36
Unknown 27 26 53
Any siblings with Attention Deficit Disorder (ADD)/Attention Deficit Hyperactivity Disorder(ADHD)? vs Child's gender
Follow-up
Female Male Total
Total 234 219 453
No - - -
Yes - - -
Not sure - - -
Unknown 234 219 453
Any siblings with Attention Deficit Disorder (ADD)/Attention Deficit Hyperactivity Disorder(ADHD)? vs Child's race
Baseline
White Black Other Total
Total 156 249 48 453
No 103 173 34 310
Yes 20 30 4 54
Not sure 10 24 2 36
Unknown 23 22 8 53
Any siblings with Attention Deficit Disorder (ADD)/Attention Deficit Hyperactivity Disorder(ADHD)? vs Child's race
Follow-up
White Black Other Total
Total 156 249 48 453
No - - - -
Yes - - - -
Not sure - - - -
Unknown 156 249 48 453