Table 5

Factors associated with testing for only HIV or HCV using multilevel model (N=11254)
Parameters Rate of testing (%) Estimate(s.e.) Odds ratio (95% confidence interval) P
Null model
Random
Level 2
<a onClick="popup('http://www.biomedcentral.com/1471-2458/13/899/mathml/M5','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2458/13/899/mathml/M5">View MathML</a> 2.913(0.629) <0.001
Model with explanatory variables
Random
Level 2
<a onClick="popup('http://www.biomedcentral.com/1471-2458/13/899/mathml/M6','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2458/13/899/mathml/M6">View MathML</a> 2.866(0.619) <0.001
Fixed
Age
<30 years old 10.7 - 1
30-39 years old 10.9 0.166(0.089) 1.18(0.99, 1.41) 0.0617
40-49 years old 10.0 0.424(0.122) 1.53(1.20, 1.94) <0.001
>50 years old 12.0 0.027(0.283) 1.03(0.59, 1.79) 0.924
Sex
Male 10.9 - 1
Female 8.2 0.448(0.161) 1.57(1.14, 2.15) 0.005
Ever injected drugs
Yes 11.0 - 1 <0.001
No 9.5 0.349(0.104) 1.42(1.16, 1.74)

Xia et al.

Xia et al. BMC Public Health 2013 13:899   doi:10.1186/1471-2458-13-899

Open Data