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Table 5 Population attributable fractions for increase in condoms due to changes in risk perception, Manicaland, Zimbabwe, 2003–13

From: Relationships between changes in HIV risk perception and condom use in East Zimbabwe 2003–2013: population-based longitudinal analyses

  Increase in condom use
Males Females
  n/N (%) PAF (95% CI) n/N (%) PAF (95% CI)
Increased risk perception 28/201 (13.9) 3.39% (−2.22–8.70%) 77/390 (19.7) 6.59% (0.54–12.3%)
Decreased risk perception 26/201 (12.9) 5.29% (0.34–9.99%) 85/390 (21.8) 4.63% (−1.96–10.8%)
  1. Values are: Number of people who increased or decreased risk perception (n) and their percentage (%) among everyone who increased condom use (N); and population attributable fraction (PAF) and 95% confidence interval (95% CI), indicating the proportion of increase in condom use due to the change in risk perception. These estimates are based on adjusted odds ratios (model 2 estimates in Table 4).