Treatment Arm

Mother smoke during pregnancy? vs Visit Number
Baseline Follow-up
Total 453 453
No 378 -
Yes (1+ per day) 64 -
Not sure 11 -
Unknown - 453
Mother smoke during pregnancy? vs Treatment Arm
Baseline
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
No 198 180 378
Yes (1+ per day) 25 39 64
Not sure 3 8 11
Mother smoke during pregnancy? vs Treatment Arm
Follow-up
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
No - - -
Yes (1+ per day) - - -
Not sure - - -
Unknown 226 227 453
Mother smoke during pregnancy? vs Child's age
Baseline
5 - 7 years old 8 - 10 years old Total
Total 329 124 453
No 272 106 378
Yes (1+ per day) 48 16 64
Not sure 9 2 11
Mother smoke during pregnancy? vs Child's age
Follow-up
5 - 7 years old 8 - 10 years old Total
Total 262 137 399
No - - -
Yes (1+ per day) - - -
Not sure - - -
Unknown 262 137 399
Mother smoke during pregnancy? vs Child's gender
Baseline
Female Male Total
Total 234 219 453
No 195 183 378
Yes (1+ per day) 31 33 64
Not sure 8 3 11
Mother smoke during pregnancy? vs Child's gender
Follow-up
Female Male Total
Total 234 219 453
No - - -
Yes (1+ per day) - - -
Not sure - - -
Unknown 234 219 453
Mother smoke during pregnancy? vs Child's race
Baseline
White Black Other Total
Total 156 249 48 453
No 134 205 39 378
Yes (1+ per day) 19 39 6 64
Not sure 3 5 3 11
Mother smoke during pregnancy? vs Child's race
Follow-up
White Black Other Total
Total 156 249 48 453
No - - - -
Yes (1+ per day) - - - -
Not sure - - - -
Unknown 156 249 48 453