Table 2.

Multivariable analysis of risk factors associated with anthrax affecting cattle in smallholdings in Bangladesh (initial model)

Variable	OR	95% CI	P value
Flooded area	3.6	0.3–45.2	0.318
Half building/semi-paka housing	1.5	0.2–16.0	0.712
Free grazing	1.5	0.2–13.7	0.730
Feeding animals with water hyacinth	10.3	0.3–371.4	0.202
Sick animal on farm or a nearby farm slaughtered in the recent past	15.6	1.5–159.7	0.021
Disposing of dead animal into nearby water body	33.0	0.9–1149.7	0.053
History of heavy rains occurring in the last 2 weeks preceding an outbreak	23.1	0.9–600.5	0.059
Anthrax vaccination during disease outbreak	4.3	0.4–44.0	0.224

OR, odds ratio; CI, confidence interval.

Logistic regression; initial model with eight variables entered; χ²(8) for likelihood ratio test 35.21; P < 0.001; No. of observation = 86.