Treatment Arm

Ever had hay fever? vs Visit Number
Baseline Follow-up
Total 453 453
No 328 -
Yes 107 -
Not sure 17 -
Unknown 1 453
Ever had hay fever? vs Treatment Arm
Baseline
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
No 162 166 328
Yes 52 55 107
Not sure 12 5 17
Unknown - 1 1
Ever had 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
Ever had hay fever? vs Child's age
Baseline
5 - 7 years old 8 - 10 years old Total
Total 329 124 453
No 236 92 328
Yes 80 27 107
Not sure 12 5 17
Unknown 1 - 1
Ever had 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
Ever had hay fever? vs Child's gender
Baseline
Female Male Total
Total 234 219 453
No 178 150 328
Yes 51 56 107
Not sure 5 12 17
Unknown - 1 1
Ever had hay fever? vs Child's gender
Follow-up
Female Male Total
Total 234 219 453
No - - -
Yes - - -
Not sure - - -
Unknown 234 219 453
Ever had hay fever? vs Child's race
Baseline
White Black Other Total
Total 156 249 48 453
No 111 182 35 328
Yes 35 60 12 107
Not sure 10 6 1 17
Unknown - 1 - 1
Ever had 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