Table 2 Allergic history of ADHD children group (N = 549) and control group (N = 3564)
From: The associations between ADHD and asthma in Korean children
Variables | Control group (%) | ADHD group (%) | F | p value | |
|---|---|---|---|---|---|
Asthma | Lifetime | 859(24.3) | 200(36.6) | 99.09 | 0.000 |
| Â | 12 months | 428(12.1) | 112(20.5) | 100.17 | 0.000 |
| Â | Diagnostic Hx | 373(10.6) | 86(15.8) | 46.75 | 0.002 |
| Â | Treatment Hx | 153(4.3) | 37(6.8) | 24.70 | 0.031 |
Allergic rhinitis | Lifetime | 1,643(47.2) | 316(59.0) | 56.08 | 0.000 |
| Â | 12 months | 1,514(43.5) | 301(56.2) | .01 | 0.000 |
| Â | Diagnosis Hx | 883(25.4) | 162(30.2) | 19.37 | 0.023 |
| Â | Treatment Hx | 755(21.7) | 146(27.6) | 28.06 | 0.007 |
Atopy | Lifetime | 1,335(38.4) | 221(41.4) | 5.60 | 0.193 |
| Â | 12 months | 867(24.9) | 144(27.0) | 3.78 | 0.316 |
| Â | Diagnosis Hx | 1,188(34.2) | 184(34.5) | .06 | 0.899 |
| Â | Treatment Hx | 648(18.7) | 106(19.9) | 1.64 | 0.516 |
Allergic conjunctivitis | Lifetime | 894(25.6) | 158(29.3) | 12.06 | 0.075 |
| Â | 12 months | 569(16.3) | 97(18.0) | 3.86 | 0.331 |
| Â | Diagnostic Hx | 616(17.6) | 105(19.5) | 4.28 | 0.305 |
| Â | Treatment Hx | 365(10.5) | 59(10.9) | .47 | 0.730 |
Food allergy | Lifetime | 406(11.6) | 69(12.9) | 2.80 | 0.397 |
| Â | 12 months | 224(6.4) | 48(9.0) | 18.52 | 0.050 |
| Â | Diagnosis Hx | 205(5.9) | 35(6.6) | 1.457 | 0.544 |
| Â | Treatment Hx | 102(2.9) | 24(4.5) | 14.50 | 0.098 |
Drug allergy | Lifetime | 69(2.0) | 15(2.8) | 6.08 | 0.274 |
| Â | 12 months | 32(0.9) | 10(1.9) | 16.06 | 0.118 |
| Â | Diagnosis Hx | 30(0.9) | 10(1.9) | 18.95 | 0.097 |
| Â | Treatment Hx | 13(0.4) | 7(1.3) | 32.46 | 0.064 |