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Table 1 Concurrency rates for adult men and women from national studies reported by Halperin, Epstein, Morris-Kretzschmar and Mah, ranked by male concurrency

From: Concurrent sexual partnerships do not explain the HIV epidemics in Africa: a systematic review of the evidence

   GPA Surveys DHS Surveys Other Surveys  
Source Country Men Women Men Women Men Women Mean*
Caraël, 1995 [46] Lesotho 55 39      47.0
Caraël, 1995 [46] Côte d'Ivoire 36 NA      
Caraël, 1995 [46] Lusaka 22 11      16.5
Caraël, 1995 [46] Tanzania 18 9      13.5
Caraël et al, 2001 [94] Kampala        12.0
Mishra et al, 2009 [39] Haiti    16.3 0.8    8.55
Mishra et al, 2009 [39] Lesotho    14.1 NA    
Morris, Kretzschmar, 2000 [26] Rakai, Uganda    14.0 1.3    7.65
Caraël, 1995 [46] Kenya 13 NA      
Mishra et al, 2009 [39] Mali    12.0 0.6    6.30
Mishra et al, 2009 [39] Guinea    11.9 1.0    6.45
Mishra et al, 2009 [39] Cameroon    11.7 3.2    7.45
Mishra et al, 2009 [39] Niger    11.1 0.5    5.80
Adimora et al, 2007, 2002 [71, 72] USA      11.0 12.0**  
Leridon et al, 1998 [93] Europe-6 countries      10.0 3.1 6.55
Mishra et al, 2009 [39] Swaziland    8.5 0.7    4.60
Mishra et al, 2009 [39] Senegal    8.3 NA    
Caraël, 1995 [46] Rio de Janeiro 7 0.4      3.70
Mishra et al, 2009 [39] Zimbabwe    5.8 0.5    3.15
Kapiga, Lugalla, 2002 [67] Tanzania    5.7 0.8    3.25
Mishra et al, 2009 [39] Cambodia    3.5 0.2    1.85
Caraël, 1995 [46] Manila, 3.0 3.0      3.00
Caraël, 1995 [46] Thailand 3.0 0.2      1.60
Mishra et al, 2009 [39] Rwanda    2.2 0.2    1.20
Caraël, 1995 [46] Sri Lanka 2.0 1.0      1.50
Caraël, 1995 [46] Singapore 2.0 0.2      1.10
Mishra et al, 2009 [39] Ethiopia    1.8 0.1    0.95
Mishra et al, 2009 [39] India    1.0 0.1    1.05
  1. *Unweighted mean of men and women's concurrency
  2. **Previous 5 years
  3. NA = not ascertained
  4. Definitions: Caraël, 1995 [46] and Caraël et al, 2001 [94] asked about "regular" partners of one year or longer with whom respondent expected sex in the future; Mishra and Bignami-Van Assche, 2009 [39] Leridon et al, 2998 [93] Adimora et al, 2002 [71] Adimora et al, 2007 [72] and the Rakai survey used by Morris and Kretzschmar, 2000 [26] asked respondents beginning and ending dates of partnerships to determine overlap and did not exclude short-term partnerships; Kapiga and Lugalla, 2002 [67] asked about "regular" partners of one year or longer, not otherwise defined.