TABLE 3.

Risk factors for B. henselae bacteremia or seropositivity: multivariate analysisa

Risk factorNo. of samples testedBacteremiaNo. of samples testedSeropositivity
OR95% CLOR95% CL
Age (mo)
    0-61501.001561.00
    7-12730.540.24, 1.26731.580.73, 3.42
    13+410.180.05, 0.61420.900.32, 2.51
Gender
    Male1331.001331.00
    Female1281.410.69, 2.881281.420.73, 2.75
Neutering status
    Neutered1611.001651.00
    Intact1000.470.22, 1.021030.700.35, 1.39
Source
    Friend, self, or breeder961.00981.00
    Stray or shelter1052.000.94, 4.221102.021.03, 3.99
    Store or newspaper372.080.62, 6.99371.030.35, 3.07
Fleas
    Never981.00991.00
    Ever1622.821.10, 7.271681.740.83, 3.64
Region
    Washington, D.C.291.00321.00
    Chicago470.840.21, 6.05480.570.14, 2.35
    Florida932.110.52, 8.58944.211.41, 12.51
    California953.200.77, 13.32974.261.38, 13.15
Hunting
    No1981.002051.00
    Yes213.000.77, 13.32215.711.12, 29.01
  • a Variables selected for this model were significant at P < 0.10 in a univariate analysis. Data are missing for 52 cats. Cats with contaminated cultures were not included in the analysis. OR, odds ratio; 95% CL, 95% confidence limits.