Table 3 Characteristics associated with the occurrence of new-onset major depression in adolescents with non-infection caused urticaria
|  | Adolescents with non-infection caused urticaria (n = 5,755) | Control patients (n = 17,265) | ||
|---|---|---|---|---|
|  | New-onset major depression occurrence (n = 34) No. (%) | p –value | New-onset major depression occurrence (n = 59) No. (%) | p –value |
Gender | Â | Â | Â | Â |
 Male | 15 (44.1) | 0.475 | 22 (37.3) | 0.192 |
 Female | 19 (55.9) |  | 37 (62.7) |  |
Age group (y/o)* | Â | Â | Â | Â |
 13-15 | 8 (23.5) | 0.006 | 19 (32.2) | 0.037 |
 16 ~ 18 | 26 (76.5) |  | 40 (67.8) |  |
Economic level of family (monthly income) (USD$) | Â | Â | Â | Â |
 <600 | 15 (44.1) | 0.095 | 21 (35.6) | 0.264 |
 601 ~ 1,000 | 13 (38.2) |  | 26 (44.1) |  |
 >1,000 | 6 (17.6) |  | 12 (20.3) |  |
Urbanization | Â | Â | Â | Â |
 1 (most) | 5 (14.7) | 0.251 | 14 (23.7) | 0.123 |
 2 | 7 (20.6) |  | 3 (5.1) |  |
 3 | 13 (38.2) |  | 25 (42.4) |  |
 4 | 9 (26.5) |  | 17 (28.8) |  |
Geographic regions of Taiwan | Â | Â | Â | Â |
 Northern | 15 (44.1) | 0.660 | 27 (45.8) | 0.543 |
 Central | 11 (32.4) |  | 12 (20.3) |  |
 Southern | 7 (20.6) |  | 17 (28.3) |  |
 Eastern | 1 (2.9) |  | 3 (5.1) |  |
Asthma history* | 19 (55.9) | 0.020 | 23 (39.0) | 0.589 |
Atopic dermatitis history | 3 (8.8) | 0.415 | 4 (6.8) | 0.337 |
Allergic rhinitis | 16 (47.1) | 0.425 | 28 (47.5) | 1.000 |
Family history of affective disorders* | 27 (79.4) | 0.002 | 43 (72.9) | 0.003 |
Urticaria treatment with corticosteroids* | 31 (91.1) | <0.001 | - | Â |
Mean number of hospital visits (to treat urticaria) | 1.6 ± 1.2 | 0.578 | - |  |