Race

Antihistamine in the last three days vs Visit
Visit 5
Total 735
No 689
Yes 46
Antihistamine in the last three days vs Participant's age (category)
Visit 5
5-14 yrs old 15-24 yrs old 25-34 yrs old 35-44 years 45-54 years 55-64 years 65-74 years 75-84 years 85 years or older Total
Total 64 112 62 98 148 84 57 31 2 658
No 63 105 59 88 140 76 53 31 2 617
Yes 1 7 3 10 8 8 4 - - 41
Antihistamine in the last three days vs Participant's sex
Visit 5
Female Male Total
Total 406 329 735
No 376 313 689
Yes 30 16 46
Antihistamine in the last three days vs Participant's race
Visit 5
White Black More than one race Total
Total 304 409 22 735
No 284 384 21 689
Yes 20 25 1 46