Table 1.
Demographic characteristics of subjects challenged with HPP-treated and untreated oysters
| Characteristic | No. (%) of subjects challenged with: |
χ2P valuec | |
|---|---|---|---|
| HPP-treated oystersa | Untreated oystersb | ||
| Age (yr) at challenge | |||
| 18–24 | 15 (52)e | 9 (60) | |
| 25–48 | 14 (48) | 6 (40) | 0.6013 |
| Ethnicity | |||
| Caucasian | 10 (34) | 5 (33) | |
| African-American | 12 (41) | 7 (47) | |
| Otherd | 7 (24) | 3 (20) | 0.9313 |
| Gender | |||
| Male | 14 (48) | 7 (47) | |
| Female | 15 (52) | 8 (53) | 0.9193 |
a
Total n = 29.
b
Total n = 15.
c
Chi-square goodness-of-fit P values are shown.
d
The “other” category includes the following ethnicities: Asian, Hispanic, multiracial, and other.
e
Column percentages may not equal 100 due to rounding.