Table 1 .
Sample size (n) and weighted characteristics of NHANES 2005–2006 participants
| Characteristics | Total | Sensitized | Nonsensitized | P value | |||
|---|---|---|---|---|---|---|---|
| N | Weighted | N | Weighted | N | Weighted | ||
| Sex | < 0.001 | ||||||
| Male, % (SE) | 1413 | 52.1 (0.9) | 745 | 51.3 (1.3) | 668 | 48.7 (1.3) | |
| Female, % (SE) | 1235 | 47.9(0.9) | 505 | 39.4(1.5) | 730 | 60.6 (1.5) | |
| Age (years) | < 0.001 | ||||||
| 18–44, % (SE) | 1364 | 51.2 (2.3) | 726 | 52.5 (1.7) | 638 | 47.5 (1.7) | |
| 45–69, % (SE) | 959 | 40.5 (1.7) | 410 | 40.0 (1.1) | 549 | 60.0 (1.1) | |
| ≥ 70, % (SE) | 325 | 8.4 (1.1) | 114 | 30.4 (2.5) | 211 | 69.6 (2.5) | |
| Race/Ethnicity | < 0.001 | ||||||
| Mexican American, % (SE) | 507 | 7.4 (1.0) | 236 | 47.2 (2.0) | 271 | 52.8 (2.0) | |
| Other Hispanic, % (SE) | 73 | 2.8 (0.8) | 43 | 58.8 (6.2) | 30 | 41.2 (6.2) | |
| Non-Hispanic White, % (SE) | 1496 | 77.2 (2.4) | 637 | 43.2 (1.3) | 859 | 56.8 (1.3) | |
| Non-Hispanic Black, % (SE) | 479 | 8.3 (1.4) | 288 | 59.7 (3.3) | 191 | 40.3 (3.3) | |
| Other race—including multi-racial, % (SE) | 93 | 4.2 (0.5) | 46 | 49.2 (4.8) | 47 | 50.8 (4.8) | |
| BMI | 0.988 | ||||||
| Normal, % (SE) | 821 | 33.9 (1.7) | 380 | 45.5 (1.7) | 441 | 54.5 (1.7) | |
| Overweight, % (SE) | 930 | 33.3 (1.3) | 434 | 45.6 (1.3) | 496 | 54.4 (1.3) | |
| Obese, % (SE) | 876 | 32.8 (1.7) | 427 | 45.5 (2.2) | 449 | 54.4 (2.2) | |
| PIR | 0.009 | ||||||
| ≤ 1 (under poverty level), % (SE) | 370 | 9.4 (0.7) | 202 | 55.8 (3.6) | 168 | 44.2 (3.6) | |
| > 1 (above poverty level), % (SE) | 2184 | 90.6 (0.7) | 1005 | 44.6 (1.2) | 1179 | 55.4 (1.2) | |
| Smoking status | 0.001 | ||||||
| Never smokers, % (SE) | 1234 | 46.4 (1.1) | 626 | 50.1 (1.8) | 608 | 49.9 (1.8) | |
| Former smokers, % (SE) | 838 | 30.7 (1.3) | 367 | 42.4 (2.0) | 471 | 57.6 (2.0) | |
| Current smokers, % (SE) | 576 | 22.9 (1.4) | 257 | 40.6 (1.5) | 319 | 59.4 (1.5) | |
| Alcohol consumption | 0.762 | ||||||
| 1–4 drinks per week, % (SE) | 2236 | 85.2 (0.9) | 1051 | 45.7 (1.3) | 1185 | 54.3 (1.3) | |
| > 4 drinks per week, % (SE) | 412 | 14.8 (0.7) | 199 | 44.7 (2.9) | 213 | 55.3 (2.9) | |
| Education level | 0.251 | ||||||
| Less than High School, % (SE) | 580 | 13.8 (1.3) | 269 | 44.0 (2.6) | 311 | 56.0 (2.6) | |
| Completed High School, % (SE) | 628 | 23.7 (0.8) | 284 | 42.5 (2.0) | 344 | 57.5 (2.0) | |
| More than High School, % (SE) | 1440 | 62.5 (1.9) | 697 | 47.0 (1.8) | 743 | 53.0 (1.8) | |
| Diabetes | 0.695 | ||||||
| Yes, % (SE) | 193 | 5.8 (0.6) | 87 | 47.9 (5.7) | 106 | 52.1 (5.7) | |
| No, % (SE) | 2409 | 94.2 (0.6) | 1147 | 45.6 (1.1) | 1262 | 54.4 (1.1) | |
| CVD | 0.427 | ||||||
| Yes, % (SE) | 789 | 28.7 (1.1) | 361 | 44.1 (2.3) | 428 | 55.9 (2.3) | |
| No, % (SE) | 1856 | 71.3 (1.1) | 887 | 46.1 (1.2) | 969 | 53.9 (1.2) | |
Sensitised = serum‐specific IgE ≥ 0.35 kUA/L; Nonsensitised = serum‐specific IgE < 0.35 kUA/L. Proportions were compared using the Rao-Scott χ2 test