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Table 6 Change in sexual behaviour between Sero5 and Sero6 associated with VCT use at the Sero5, HIV-positive individuals

From: The impact of voluntary counselling and testing services on sexual behaviour change and HIV incidence: observations from a cohort study in rural Tanzania

  N with outcome (%)   
  No VCT Had VCT Crude risk ratio (95% CI) Adjusted risk ratio (95% CI)
Number of sex partners in last year     
  110 % 29 %   
No change 72 65.5 21 72.4 1 1
Increase 14 12.7 3 10.3 0.73 (0.19, 2.80) 0.41 (0.08, 2.12)
Decrease 24 21.8 5 17.2 0.71 (0.24, 2.10) 0.56 (0.13, 2.38)
Acquired or lost a spouse α      
  111 % 29 %   
No change 88 79.3 23 79.3 1 1
Acquired 3 2.7 3 10.3 3.83 (0.72, 20.22) 4.35 (0.68, 27.93)
Lost 20 18.0 3 10.3 0.57 (0.16, 2.10) 0.68 (0.17, 2.63)
Acquired or lost a regular non-cohabiting partner    
  111 % 29 %   
No change 90 81.1 22 75.9 1 1
Acquired 8 7.2 1 3.4 0.51 (0.06, 4.31) 0.21 (0.01, 3.25)
Lost 13 11.7 6 20.7 1.89 (0.65, 5.53) 1.59 (0.45, 5.63)
Acquired or lost a high risk or casual partner Ω    
  110 % 29 %   
No change 90 81.8 25 86.2 1 1
Acquired 11 10.0 3 10.3 0.98 (0.25, 3.79) 0.53 (0.10, 2.98)
Lost 9 8.2 1 3.4 0.4 (0.05, 3.31) 0.32 (0.02, 4.35)
Condom use at last sex with spouse #     
  61 % 18 %   
No change 56 91.8 15 83.3 1 1
Stopped using 2 3.3 1 5.6 1.87 (0.16, 22.01) -
Started using 3 4.9 2 11.1 2.49 (0.38, 16.27) -
Number of times sex with spouse in last week #    
  62 % 19 %   
No change 18 29.0 2 10.5 1 1
Increase 14 22.6 3 15.8 1.93 (0.28, 13.16) 3.37 (0.26, 44.11)
Decrease 30 48.4 14 73.7 4.2 (0.85, 20.65) 7.55 (0.84, 67.63)
  1. All outcomes adjusted for age, sex, marital status, area of residence, level of education and previous VCT use as reported at the later sero-survey round.
  2. α‘Acquired or lost spouse’ was not adjusted for marital status (as this was the outcome).
  3. ΩQuestions related to ‘casual’ rather than ‘high risk’ partners at Sero6, however, the two categories were considered comparable.
  4. #Analyses conducted among those with a spouse at both rounds only.