Total | Atopic | Non-atopic | p value4-150 | |
---|---|---|---|---|
0–18 months | 7.5% (79/1054) | 8.2% (23/280) | 7.2% (31/431) | NS |
8–36 months | 5.9% (55/937) | 8.0% (21/262) | 6.3% (25/398) | NS |
6 years | 7.7% (78/1016) | 13.0% (38/292) | 4.5% (20/442) | p<0.00005 |
8 years | 7.2% (60/832) | 15.0% (37/246) | 4.2% (15/360) | p<0.000001 |
11 years | 9.7% (90/929) | 20.1% (55/274) | 3.9% (16/411) | p<0.000001 |
13 years | 8.7% (61/702) | 16.1% (35/218) | 4.0% (12/298) | p<0.000001 |