Table 1 Unadjusted associations between personal characteristics and otitis media episodesa for 355 infants at risk for developing asthma. (CT and MA, 1998 – 2000)
From: Association of surfactant protein A polymorphisms with otitis media in infants at risk for asthma
| Â | Â | Otitis Media Episodes | |||
|---|---|---|---|---|---|
| Â | Â | 0 | 1 | 2 | 3+ |
Characteristic | n (%) | % | % | % | % |
All subjects N (%) | 355 | 97 (27.3) | 137 (38.6) | 87 (24.5) | 34 (9.6) |
Gender | Â | Â | Â | Â | Â |
   Male | 171 (48.2) | 21.6 | 42.7 | 24.6 | 11.1 |
   Female | 184 (51.8) | 32.6 | 34.8 | 24.5 | 8.2 |
Ethnicity | Â | Â | Â | Â | Â |
   White | 226 (63.7) | 23.4 | 38.0 | 28.8 | 9.7 |
   Black | 48 (13.5) | 41.7 | 37.5 | 14.6 | 6.2 |
   Hispanic | 62 (17.5) | 27.4 | 41.9 | 22.6 | 8.1 |
   Other | 19 (5.4) | 36.8 | 36.8 | 5.3 | 21.0 |
Maternal education | Â | Â | Â | Â | Â |
   < HS | 38 (10.7) | 29.0 | 36.8 | 29.0 | 5.3 |
   Some college | 179 (50.4) | 29.0 | 39.7 | 20.1 | 11.2 |
   College degree | 138 (38.9) | 24.6 | 37.7 | 29.0 | 8.7 |
Maternal allergies | Â | Â | Â | Â | Â |
   No | 146 (41.1) | 30.8 | 39.7 | 24.0 | 5.5 |
   Yes | 209 (58.9) | 24.9 | 37.8 | 24.9 | 12.4 |
Maternal asthma | Â | Â | Â | Â | Â |
   No | 246 (69.3) | 30.1 | 38.2 | 22.0 | 9.8 |
   Yes | 109 (30.7) | 21.1 | 39.4 | 30.3 | 9.2 |
Daycare before 6 mo | Â | Â | Â | Â | Â |
   No | 279 (78.6) | 29.0 | 39.4 | 23.3 | 8.2 |
   Yes | 76 (21.4) | 21.0 | 35.5 | 29.0 | 14.5 |
Breast feeding | Â | Â | Â | Â | Â |
   No | 113 (31.8) | 27.4 | 40.7 | 22.1 | 9.7 |
   Yes | 242 (68.2) | 27.3 | 37.6 | 25.6 | 9.5 |
ETS | Â | Â | Â | Â | Â |
   No | 304 (86.6) | 26.0 | 38.5 | 26.3 | 9.2 |
   Yes | 47 (13.4) | 34.0 | 40.4 | 14.9 | 10.6 |
Season of birth | Â | Â | Â | Â | Â |
   Winter | 75 (21.1) | 28.0 | 37.3 | 26.7 | 8.0 |
   Spring | 101 (28.4) | 25.7 | 41.6 | 24.8 | 7.9 |
   Summer | 97 (27.3) | 26.8 | 39.2 | 27.8 | 6.2 |
   Fall | 82 (23.1) | 29.3 | 35.4 | 18.3 | 17.1 |