Table 3.
Patient characteristics in controls and CU respondents after matching
| Controls (n = 508) | CU (n = 127) | p value | |||
|---|---|---|---|---|---|
| n/Mean | %/SD | n/Mean | %/SD | ||
| Age, years (Mean, SD) | 37.1 | 11.7 | 37.1 | 11.8 | 0.982 |
| Female | 328 | 64.6% | 82 | 64.6% | 1.000 |
| White | 345 | 67.9% | 96 | 75.6% | 0.093 |
| Employed | 381 | 75.0% | 97 | 76.4% | 0.748 |
| Married/living w/partner | 286 | 56.3% | 76 | 59.8% | 0.471 |
| Completed university | 262 | 51.6% | 60 | 47.2% | 0.383 |
| Socioeconomic status | 0.999 | ||||
| A1/2 | 102 | 20.1% | 26 | 20.5% | |
| B1 | 180 | 35.4% | 45 | 35.4% | |
| B2 | 157 | 30.9% | 39 | 30.7% | |
| C1 | 62 | 12.2% | 15 | 11.8% | |
| C2-E | 7 | 1.4% | 2 | 1.6% | |
| Private health insurance | 370 | 72.8% | 93 | 73.2% | 0.929 |
| Median split, reported household income | 0.186 | ||||
| Lower income | 154 | 30.3% | 30 | 23.6% | |
| Higher income | 303 | 59.6% | 87 | 68.5% | |
| Decline to answer | 51 | 10.0% | 10 | 7.9% | |
| CCI (Mean, SD) | 0.31 | 0.74 | 1.43 | 3.51 | <0.001 |
| BMI categories | 0.122 | ||||
| Underweight | 13 | 2.6% | 7 | 5.5% | |
| Normal | 252 | 49.6% | 49 | 38.6% | |
| Overweight | 142 | 28.0% | 42 | 33.1% | |
| Obese | 94 | 18.5% | 28 | 22.0% | |
| Decline to answer | 7 | 1.4% | 1 | 0.8% | |
| Smoking status | 0.015 | ||||
| Current | 84 | 16.5% | 35 | 27.6% | |
| Former | 116 | 22.8% | 28 | 22.0% | |
| Never | 308 | 60.6% | 64 | 50.4% | |
| Alcohol use | 0.175 | ||||
| Daily | 13 | 2.6% | 3 | 2.4% | |
| Less than daily | 311 | 61.2% | 89 | 70.1% | |
| None | 184 | 36.2% | 35 | 27.6% | |
| Exercises | 329 | 64.8% | 84 | 66.1% | 0.771 |
BMI body mass index, CCI Charlson comorbidity index, CU chronic urticaria, SD standard deviation