Table 1.
Characteristics of general population, and separately for atopic dermatitis (AD) and non-AD.
| General Population | AD Population | Non-AD Population | p-Value * | |
|---|---|---|---|---|
| Patients N tot | 641 | 284 | 357 | |
| Males n (%) | 246 (38.4) | 96 (33.8) | 150 (42.0) | 0.033 |
| Age (mean ± SD) | 46.2 ± 19.4 | 36.9 ± 16.4 | 53.7 ± 17.9 | <0.0001 |
| BMI (mean ± SD) | 24.3 ± 4.4 | 23.5 ± 4.4 | 25.1 ± 0.23 | <0.0001 |
| Previous diagnosis of AD n (%) | 362 (56.5) | 219 (77.1) | 126 (35.3) | <0.0001 |
| Disease duration (mean ± SD) | 10.7 ± 11.8 | 15.3 ± 12.6 | 7.0 ± 9.7 | <0.0001 |
| Family history of AD n (%) | 115 (17.9) | 66 (23.2) | 47 (13.1) | <0.0001 |
| Family history of other atopic comorbidities n (%) | 183 (28.5) | 109 (38.4) | 72 (20.2) | <0.0001 |
| Job Title | ||||
| Intellectual jobs (white collars) n (%) | 260 (40.6) | 124 (43.7) | 136 (38.1) | 0.176 |
| Manual jobs (blue collars) n (%) | 154 (24.0) | 78 (27.5) | 76 (21.3) | 0.069 |
| Physicians Previously Consulted | ||||
| Dermatologist n (%) | 542 (84.5) | 264 (93.0) | 278 (77.9) | <0.0001 |
| Allergologist n (%) | 219 (34.2) | 139 (48.9) | 80 (22.4) | <0.0001 |
| General practitioner n (%) | 39 (6.1) | 6 (2.1) | 33 (9.2) | <0.0001 |
| Patient’s Related Outcomes | ||||
| Itch intensity (mean, SD) | 6.5 ± 2.5 | 6.9 ± 2.4 | 6.2 ± 2.6 | 0.0003 |
| Interference with sleep (mean ± SD) | 4.4 ± 3.4 | 5.0 ± 3.4 | 3.9 ± 3.4 | <0.0001 |
| Interference with work (mean ± SD) | 3.7 ± 3.4 | 4.3 ± 3.5 | 3.4 ± 3.4 | 0.002 |
| Interference with sport (mean ± SD) | 3.4 ± 3.4 | 4.1 ± 3.4 | 2.8 ± 3.2 | <0.0001 |
| Disease induced embarassment (mean ± SD) | 5.7 ± 3.2 | 6.4 ± 2.9 | 5.1 ± 3.3 | <0.0001 |
| Treatments Routinely Used | ||||
| Topical compounds n (%) | 259 (40.4) | 126 (44.3) | 133 (37.2) | <0.0001 |
| Moisturizers n (%) | 294 (45.8) | 160 (56.3) | 134 (37.5) | <0.0001 |
| Systemic therapies n (%) | 41 (6.4) | 20 (7.0) | 21 (5.9) | 0.07 |
| No treatments n (%) | 225 (35.1) | 90 (31.7) | 135 (37.9) | <0.0001 |
Legend. Categorical data expressed as n (%); continuous data expressed as mean ± standard deviation * p value refers to the comparison between AD and non-AD population.