TABLE 5

Analysis of risk factors for M. catarrhalis infection

Risk factorM. catarrhalis + MEF samplesMEF samples with other pathogenP value
Patient demographics [no. (%)]
    Male24 (57.1)25 (52.1)0.631
    First born10 (23.8)16 (34.0)0.289
    History of AOM in sibling(s)16 (38.1)14 (29.8)0.408
    Attending day care23 (54.8)18 (38.3)0.120
    >3 AOM episodes in history28 (66.7)23 (48.9)0.091
    Exposure to cigarette smoke16 (38.1)19 (40.4)0.822
    Use of pacifier20 (47.6)31 (66.0)0.081
    Breast feeding for ≤6 mo16 (38.1)19 (40.4)0.822
No. of previous antibiotic treatments, median (range)5 (0–23)3 (0–15)0.064
Age (mos), mean (range)20 (6–42)14 (5–39)0.086