Skip to main content

Table 5 Misclassification of modes of transmission by sex and age

From: Improved ascertainment of modes of HIV transmission in Ukraine indicates importance of drug injecting and homosexual risk

  Registry (verified records) Survey McNemar p-value Kappa Kappa p-value Misclassification Extrapolation coefficient
N MoT % N MoT %
Men        0.33 < 0.001   
HET 602 48.3% 287 23.0% < 0.001 0.33 < 0.001 109.8% 47.7%
IDU 574 46.1% 873 70.1% < 0.001 0.40 < 0.001 −34.2% 152.1%
MSM 59 4.7% 86 6.9% < 0.001 0.60 < 0.001 −31.4% 145.8%
UNK 11 0.9% 0 0.0% 0.001 0.00 < 0.001 0.0% 0.0%
Women        0.25 < 0.001   
HET 834 80.8% 538 52.1% < 0.001 0.25 < 0.001 55.0% 64.5%
IDU 182 17.6% 488 47.3% < 0.001 0.25 < 0.001 −62.7% 268.1%
MSMa 4 0.4% 0 0.0% 0.125 0.00 < 0.001 0.0% 0.0%
UNK 12 1.2% 6 0.6% 0.210 0.10 < 0.001 100.0% 50.0%
<=24        0.35 < 0.001   
HET 121 77.6% 91 58.3% < 0.001 0.35 < 0.001 33.0% 75.2%
IDU 21 13.5% 47 30.1% < 0.001 0.31 < 0.001 −55.3% 223.8%
MSM 14 9.0% 18 11.5% 0.289 0.72 < 0.001 −22.2% 128.6%
UNK 0 0.0% 0 0.0% < 0.001 0.00 < 0.001 0.0% 0.0%
25–44        0.38 < 0.001   
HET 1021 59.7% 581 34.0% < 0.001 0.38 < 0.001 75.7% 56.9%
IDU 626 36.6% 1073 62.7% < 0.001 0.39 < 0.001 −41.7% 171.4%
MSM 45 2.6% 55 3.2% 0.134 0.63 < 0.001 −18.2% 122.2%
UNK 18 1.1% 1 0.1% < 0.001 0.00 0.918 1700.0% 5.6%
> = 45        0.23 < 0.001   
HET 294 71.4% 153 37.1% < 0.001 0.23 < 0.001 92.2% 52.0%
IDU 109 26.5% 241 58.5% < 0.001 0.26 < 0.001 −54.8% 221.1%
MSM 4 1.0% 13 3.2% 0.035 0.10 0.012 −69.2% 325.0%
UNK 5 1.2% 5 1.2% 1.000 0.19 < 0.001 0.0% 100.0%
Grand Total        0.37 < 0.001   
HET 1436 63.0% 825 36.2% < 0.001 0.36 < 0.001 74.1% 57.5%
IDU 756 33.2% 1361 59.7% < 0.001 0.37 < 0.001 −44.5% 180.0%
MSM 63 2.8% 86 3.8% 0.004 0.59 < 0.001 −26.7% 136.5%
UNK 23 1.0% 6 0.3% 0.002 0.07 < 0.001 283.3% 26.1%
  1. Modes of transmission: HET heterosexual, IDU injecting drug use, MSM homosexual, OTH other
  2. aFour women had homosexual exposure marked as a mode of transmission in their registration record due to data entry error