Table 2.
Prevalence of atopy in the full population, and distribution with respect to gender, race, education, and body mass index (BMI) for each age group, among atopic participants
| 20–40 (N=1623) | ≥55 (N=950) | p-value2 | |||
|---|---|---|---|---|---|
| N Atopic | Percent1 | N Atopic | Percent1 | ||
| Total | 842 | 51.1 | 367 | 38.8 | |
| Gender | |||||
| Male | 412 | 55.5 | 181 | 45.9 | 0.024 |
| Female | 430 | 44.5 | 186 | 54.1 | |
| Race/Ethnicity | |||||
| Non-Hispanic White | 302 | 58.3 | 191 | 75.3 | <0.001 |
| Non-Hispanic Black | 225 | 15.9 | 86 | 10.7 | |
| Mexican American | 228 | 13.0 | 68 | 4.3 | |
| Other | 87 | 12.8 | 22 | 9.7 | |
| Education | |||||
| Less than high school diploma | 216 | 18.1 | 103 | 17.9 | 0.963 |
| High school or above | 600 | 82.00 | 259 | 82.1 | |
| BMI | |||||
| Underweight (BMI < 18.5) | 16 | 2.1 | 5 | 1.3 | 0.256 |
| Normal (BMI >=18.5 – 25) | 257 | 36.2 | 87 | 28.5 | |
| Overweight (BMI >=25 – 30) | 280 | 31.4 | 130 | 36.9 | |
| Obese (BMI >=30) | 283 | 30.2 | 134 | 33.3 | |
1
Total row indicates number and percent atopic among the overall population; subsequent rows indicate the distribution of each characteristic among atopics.
2
p-value for test of differences between age groups with respect to subject characteristic distributions.