TABLE 1.
Patient characteristics at baseline
| Demographic, health‐, and work‐related characteristics | TREAT NL cohort (n = 93) |
|---|---|
| Demographic characteristics | |
| Sex, n (%) | |
| Male | 54 (58) |
| Female | 39 (42) |
| Age in years, mean ± SD | 43 ± 15 |
| Ethnicity, n (%) | |
| White (Europe, Russia, Middle East, North Africa, USA, Canada, Australia) | 71 (76) |
| African‐other, Afro‐Caribbean | 3 (3) |
| Afro‐American | 0 (0) |
| Asian‐Chinese | 4 (4) |
| South‐Asian (India, Pakistan, Sri Lanka, Nepal, Bhutan, Bangladesh) | 6 (7) |
| Asian‐other (Korea, China north of Huai River) | 5 (5) |
| Japanese | 0 (0) |
| Hispanic or Latino | 0 (0) |
| Mixeda | 4 (4) |
| Other | 0 (0) |
| Educational status: ISCED classification, n (%) | |
| ISCED 0: Early childhood education | 0 (0) |
| ISCED 1: Primary education | 3 (3) |
| ISCED 2: Lower secondary education | 15 (16) |
| ISCED 3: Upper secondary education | 22 (24) |
| ISCED 5: Short‐cycle tertiary education | 16 (17) |
| ISCED 5: Short‐cycle tertiary education | 4 (4) |
| ISCED 6: Bachelor’s or equivalent level | 22 (24) |
| ISCED 7: Master’s or equivalent level | 8 (9) |
| ISCED 8: Doctoral or equivalent level | 3 (3) |
| Health‐related characteristics | |
| Disease duration in years, mean ±SD | 39 ± 15 |
| Allergic comorbidities, n (%) | |
| Asthmab | 54 (58) |
| Allergic rhinoconjunctivitisb | 56 (60) |
| Atopic eye diseaseb | 12 (13) |
| Eosinophilic esophagitisb | 0 (0) |
| Allergic contact dermatitis1 c | 63 (68) |
| Food allergy2 d | 53 (57) |
| Treatment at outpatient daycare treatment unit in the past year, n (%) | 18 (19) |
| Treatment at outpatient daycare treatment unit in the past year in cumulative days, median (IQR)3 | 5.5 (3–13.5) |
| Hospitalization for atopic dermatitis in the past year, n (%) | 7 (8) |
| Hospitalization for atopic dermatitis in the past year in cumulative days, median (IQR) | 7.0 (2–14) |
| Work‐related characteristics | |
| Work status: Eurostat classification, n (%) | |
| Employed | 53 (57) |
| Self‐employed | 8 (9) |
| Disability pension (unable to work) | 11 (12) |
| Retired | 7 (8) |
| Student or pupil | 1 (1) |
| Engaged on home duties | 0 (0) |
| Unemployed | 2 (2) |
| Employed and self‐employed | 4 (4) |
| Employed and student or pupil | 7 (8) |
| Working patients, n (%)e | 72 (77) |
| Patients that reported problems at work, n (%)4 f | 46 (64) |
| Combination of problemsg | 15 (21) |
| Psychological problems | 9 (13) |
| Pain | 8 (11) |
| Fatigue | 4 (6) |
| Pruritus | 3 (4) |
| Receiving insufficient understanding from the working environment | 2 (3) |
| Inconsistent course of illness | 1 (1) |
| Otherh | 4 (6) |
| Patients that reported days lost from usual activities (e.g., work, study), n (%)i | 54 (58) |
| Average number of days lost from usual activities per month, median (IQR)5 j | 4 (1–7) |
| Working patients that reported days lost from usual activities, n (%)k | 43 (60) |
| Average number of days lost from usual activities per month in working patients, median (IQR)6 | 3.5 (1–5) |
| Not working patients that reported days lost from usual activities, n (%)l | 11 (52) |
| Average number of days lost from usual activities per month in not working patients, median (IQR)7 | 16.3 (2.5–30) |
| Patients that reported reasons for not working, n (%)l | 15 (71) |
| Retired | 6 (29) |
| Incapacitated for work because of experienced limitations due to atopic dermatitis | 3 (14) |
| Incapacitated for work because of other reasons | 3 (14) |
| Incapacitated for work because of a combination of atopic dermatitis and other reasons | 1 (5) |
| Unemployed | 2 (10) |
Missing data: 1n = 1, 2n = 1, 3n = 2, 4n = 4, 5n = 2, 6n = 1, 7n = 1.
Abbreviations: IQR, interquartile range; SD, standard deviation.
Creole and Dutch (n = 1), Chinese and Creole (n = 1), Indonesian and Dutch (n = 2).
Physician diagnosis.
Positive patch test: remaining patients were never tested, unknown or tested negative.
Patient‐reported food allergy.
Patients who were employed, self‐employed, employed and self‐employed or employed and student or pupil at baseline.
Of the working patients: (self‐)employed patients who reported problems at work.
Pruritus and fatigue (n = 1), pruritus, fatigue and pain (n = 2), pruritus, fatigue and psychological problems (n = 2), pruritus, fatigue, pain and inconsistent course of illness (n = 2), pruritus, psychological problems and inconsistent course of illness (n = 1), pain and inconsistent course of illness (n = 1), pruritus, fatigue and other: eczema flare with stress (n = 1), psychological problems and other: visibility of the disease (n = 1), pain and other: eczema located on fingertips (n = 1), pruritus, fatigue and other: eye complaints (n = 1), pruritus, fatigue, pain and other: scaling/flaking skin (n = 1), pruritus, fatigue, receiving insufficient understanding from the working environment and other: tingling/burning skin sensation (n = 1).
Concentration problems (n = 1), planning of emollient use (n = 1), tight feeling of the skin and visibility of the disease (n = 1), the use of soap triggers eczema (n = 1).
Average number of days per month in the past 3 months.
In patients that reported days lost from usual activities.
n = 72.
n = 21.