Table 1:
Characteristics of included studies (total n = 88)
| Percent of Studies | ||
|---|---|---|
| Region | ||
| Africa and the Middle East | 12 | 14% |
| Asia | 22 | 25% |
| Europe | 43 | 49% |
| The Americas | 10 | 11% |
| Oceania | 1 | 1% |
| Study Design | ||
| Case-control | 7 | 8% |
| Cohort | 22 | 25% |
| Cross-sectional | 59 | 67% |
| Age Group | ||
| Adults | 10 | 11% |
| Both | 10 | 11% |
| Children | 68 | 78% |
| Method of Atopic Dermatitis Assessment | ||
| Exam | 9 | 10% |
| Self-report | 67 | 76% |
| Medical records | 12 | 14% |
| Study Size | ||
| n < 2500 | 29 | 33% |
| 2499 < n < 20000 | 30 | 34% |
| 19999 < n | 29 | 33% |
| Publication Date | ||
| 1975–1989 | 7 | 8% |
| 1990–1999 | 8 | 9% |
| 2000–2009 | 24 | 27% |
| 2010–2021 | 49 | 56% |