Table 2

Univariate analysis of risk factors for Hendra virus serostatus in LRFF: proportion seropositive, odds ratios with 95% CIs and chi-square p-values for variables included in the analysis.

variablecategoryproportion seropositiveodds ratio95% CIchi-square p-value
sex and reproductive statusnon-pregnant female0.161.00
pregnant female0.8325.479.23–70.22<0.001
lactating female0.525.62.24–14.01<0.001
male0.231.551.02–2.380.041
age0–1 month1.003×1080–inf0.971
3 months0.149.471.1–81.790.041
6 months0.021.00
pre-breeding0.128.461.12–64.170.039
adult0.3532.624.46–238.54<0.001
seasonspring 20040.311.00
autumn 20050.471.660.97–2.830.066
winter 20050.160.410.24–0.710.002
spring 20050.060.140.07–0.28<0.001
autumn 20060.766.992.63–18.62<0.001
forearmforearm length (mm)1.091.06–1.12<0.001
weightbody weight (g)1.011.00–1.01<0.001
weight/forearm ratioabody weight (g)/forearm length (mm)1.750.80–3.830.163
  • a Excluding pregnant females.