Table 2.
Demographic factors and comorbidities by DAO activity divided into groups.
| DAO (U/mL) | |||||
|---|---|---|---|---|---|
| ≥10 | 3–10 | <3 | p-Value | ||
| Total of included subjects (%) | 55.7 | 39.8 | 4.6 | ||
| Sex (%) | Females | 53.1 | 41.7 | 5.2 | 0.056 * |
| Males | 58.6 | 37.6 | 3.8 | ||
| Age group (%) | 17–30 | 50.0 | 43.5 | 6.5 | 0.001 # |
| 31–45 | 52.7 | 41.9 | 5.4 | ||
| 46–60 | 53.5 | 40.5 | 6.0 | ||
| 61–78 | 62.8 | 35.6 | 1.5 | ||
| Age (mean ±SD) | 51.8 ± 15.3 | 49.6 ± 15.3 | 45.3 ± 14.7 | 0.003 ^ | |
| BMI (%) | <20 | 46.8 | 40.4 | 12.8 | 0.027 # |
| 20–24 | 54.0 | 40.6 | 5.4 | ||
| 25–29 | 55.3 | 41.4 | 3.3 | ||
| ≥30 | 63.4 | 32.9 | 3.7 | ||
| Asthma (%) | Yes | 54.3 | 38.8 | 7.0 | 0.430 * |
| No | 55.9 | 39.9 | 4.2 | ||
| Sensitized to airborne allergens (%) | Yes | 54.8 | 38.5 | 6.7 | 0.296 * |
| No | 56.2 | 40.0 | 3.8 | ||
| Sensitized to common foods (%) $ | Yes | 60.8 | 31.4 | 7.8 | 0.833 * |
| No | 55.2 | 40.7 | 4.0 | ||
| Used medication for hay fever (%) | Yes | 51.5 | 42.3 | 6.2 | 0.041 * |
| No | 57.4 | 38.8 | 3.8 | ||
| Heart medication (%) | Yes | 56.4 | 40.6 | 3.0 | 0.696 * |
| No | 55.7 | 39.5 | 4.8 | ||
| Medication for hyperlipidemia (%) | Yes | 60.0 | 35.2 | 4.8 | 0.449 * |
| No | 55.2 | 40.2 | 4.6 | ||
| Gastric reflux (%) | Yes | 56.6 | 39.7 | 3.7 | 0.448 * |
| No | 54.9 | 39.8 | 5.3 | ||
* Fisher’s exact test to compare frequency between DAO-groups. ^ Student’s t-test to compare mean value in each DAO-group. # Mantel–Haenszel test for trend to compare frequency between DAO-groups. $ Egg white, milk, fish, wheat, peanut, and soybean.