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. Author manuscript; available in PMC: 2014 Nov 13.
Published in final edited form as: AIDS. 2013 Nov 13;27(17):2765–2773. doi: 10.1097/01.aids.0000432454.68357.6a

Table 2. Incidence of HIV Acquisition by HCT Exposure and Covariates.

Table 2 presents number of events, person years, incidence rates, and confidence intervals by time-fixed and time-varying variables.

Variable Events PYs IR (95% CI)
HCT
  Unexposed 131 4702 2.79 (2.35, 3.31)
  Exposed 117 3834 3.05 (2.55, 3.66)
Gender
  Female 190 4344 4.37 (3.79, 5.04)
  Male 58 4193 1.38 (1.07, 1.79)
Age
  15–19 188 6570 2.86 (2.48, 3.30)
  20–24 60 1966 3.05 (2.37, 3.93)
Distance to Nearest Clinic
  <2 km 81 2804 2.89 (2.32, 3.59)
  2–5 km 129 4166 3.10 (2.61, 3.68)
  >5km 38 1567 2.43 (1.76, 3.33)
Education
  ≤ primary 41 1724 2.38 (1.75, 3.23)
  some secondary 177 5733 3.09 (2.66, 3.58)
  ≥secondary 30 1080 2.78 (1.94, 3.97)
Reported sexual debut
  Yes 171 3731 4.58 (3.95, 5.32)
  No 77 4806 1.60 (1.28, 2.00)
Condom use at last sex
  Yes 56 1397 4.01 (3.08, 5.21)
  No 115 2333 4.93 (4.11, 5.92)
Sex Partners in Last 12 months
  0 84 4859 1.73 (1.40, 2.14)
  1 152 3291 4.62 (3.94, 5.42)
  ≥2 12 389 3.10 (1.76, 5.46)
Ever Pregnant (females)
  Yes 78 1153 6.77 (5.42, 8.45)
  No 112 3191 3.51 (2.92, 4.22)
Ever Father (males)
  Yes 6 219 2.72 (1.22, 6.04)
  No 52 3972 1.31 (1.00, 1.72)

PY=person-year; IR=incidence rate; CI=confidence interval