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Characteristics of study subjects:
| sOP (N = 34) |
Non-sOP (N = 34) |
P-value | |
|---|---|---|---|
| Sex (= M) | 64.7% | 47.1% | 0.222 |
| Daycare(= Y) | 61.8% | 38.2% | 0.089 |
| Breast feeding < 6 mos | 29.4% | 41.2% | 0.447 |
| Breast feeding > 6 mos | 17.7% | 20.6% | 1.000 |
| No breast feeding | 52.9% | 38.2% | 0.330 |
| Atopy (= Y) | 38.2% | 17.7% | 0.104 |
| Smoking exposure (= Y) | 8.8% | 8.8% | 1.000 |
| Family history of AOM (= Y) | 72.7% | 44.1% | 0.026 |
| > 3 AOM episodes in 6 mos | 47.0% | 0.0% | 0.001 |
| > 4 AOM episodes in 12 mos | 44.0% | 0.0% | 0.001 |
| (68% had no AOM) |
