Treatment Arm

Any siblings with hay fever vs Visit Number
Baseline Follow-up
Total 453 453
No 288 -
Yes 77 -
Not sure 35 -
Unknown 53 453
Any siblings with hay fever vs Treatment Arm
Baseline
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
No 146 142 288
Yes 38 39 77
Not sure 14 21 35
Unknown 28 25 53
Any siblings with hay fever 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 hay fever vs Child's age
Baseline
5 - 7 years old 8 - 10 years old Total
Total 329 124 453
No 202 86 288
Yes 58 19 77
Not sure 24 11 35
Unknown 45 8 53
Any siblings with hay fever 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 hay fever vs Child's gender
Baseline
Female Male Total
Total 234 219 453
No 146 142 288
Yes 43 34 77
Not sure 18 17 35
Unknown 27 26 53
Any siblings with hay fever vs Child's gender
Follow-up
Female Male Total
Total 234 219 453
No - - -
Yes - - -
Not sure - - -
Unknown 234 219 453
Any siblings with hay fever vs Child's race
Baseline
White Black Other Total
Total 156 249 48 453
No 100 160 28 288
Yes 26 43 8 77
Not sure 7 24 4 35
Unknown 23 22 8 53
Any siblings with hay fever vs Child's race
Follow-up
White Black Other Total
Total 156 249 48 453
No - - - -
Yes - - - -
Not sure - - - -
Unknown 156 249 48 453