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Table 5 Association of concurrency in past 12 months with HIV seroprevalence, unadjusted and after adjusting for confounders1

From: Concurrent sexual partnerships and associated factors: a cross-sectional population-based survey in a rural community in Africa with a generalised HIV epidemic

 

Odds ratio

(95% CI)

p-value

OUTCOME = HIV SEROPREVALENCE

EXPOSURE = ANY CONCURRENCY IN PAST 12 MONTHS

  

Among men reporting sex in past 12 months (N = 1655)

Model 1

  

   Any concurrency in the past 12 months

1.33 (0.85-2.08)

P = 0.22

Model 2

  

   Any concurrency in the past 12 months

1.13 (0.67-1.89)

P = 0.64

   Adjusted for: age group, marital status and lifetime partners2

  

Model 3

  

   Any concurrency in the past 12 months

1.04 (0.62-1.77)

P = 0.88

   Adjusted for: age group, marital status, lifetime partners2 and casual partner in past 12 months

  

OUTCOME = HIV SEROPREVALENCE

EXPOSURE = CONCURRENCY WITH POLYGYNOUS PARTNERS ONLY

  

Among men reporting sex in past 12 months (N = 1655)

  

Model 1

  

   Concurrency with polygynous partner in past 12 months

0.50 (0.18-1.39)

P = 0.14

Model 2

  

   Concurrency with polygynous partner in past 12 months

0.40 (0.14-1.11)

P = 0.07

   Adjusted for lifetime partners2 in past 12 months

  

OUTCOME = HIV SEROPREVALENCE

EXPOSURE = CONCURRENCY EXCLUDING POLYGYNY

  

Among men reporting sex in past 12 months (N = 1655)

  

Model 1

  

   Concurrency with non-spousal partner in past 12 months

1.78 (1.11-2.86)

P = 0.02

Model 2

  

   Concurrency with non-spousal partner in past 12 months

1.36 (0.82-2.25)

P = 0.25

   Adjusted for lifetime partners2 and casual partner in past 12 months

  

OUTCOME = HIV SEROPREVALENCE IN SPOUSE

EXPOSURE = ANY CONCURRENCY IN PAST 12 MONTHS

  

Among wives of men reporting sex in past 12 months (N = 1134)

  

Model 1

  

   Any concurrency by husband in the past 12 months

1.17 (0.71-1.92)

0.54

Model 2 3

  

   Any concurrency by husband in the past 12 months

0.97 (0.59-1.59)

0.90

   Adjusted for husband's lifetime partners2

  
  1. 1The following potential confounders were considered: age, SES, marital status, age at first sex, lifetime partners, casual partner in past year and condom use at last sex. Those variables which changed the OR for the association with concurrency by > 10% were retained.
  2. 2Lifetime partners above the median for males in the cohort (see Table 1)
  3. 3Adjusted model considered all potential confounders listed in footnote 1, and reported behaviour of wife (lifetime partners, casual partner in past year, and condom use at last sex).
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BMC Public Health

ISSN: 1471-2458

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