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Table 2 Female sex work supply and demand, and changes in sexual behaviour in three South African cities during and after the 2010 Soccer World Cup using serial cross-sectional surveys

From: Female sex work and international sport events - no major changes in demand or supply of paid sex during the 2010 Soccer World Cup: a cross-sectional study

Variables Study period P-value P-value P-value
  Pre-WC During WC Post-WC    
  (May-June; n = 601), I (June-July; n = 508), II (Sept; n = 538), III I vs II# I vs III# II vs III#
Female sex work supply
 Proportion of women under 24, n/N (%) 107/599 (17.9%) 104/505 (20.6%) 121/529 (22.9%) 0.25 0.037 0.38
 Born in South Africa, n/N (%) 358/599 (59.8%) 312/507 (61.5%) 321/536 (59.9%) 0.55 0.97 0.59
 Arrival in city in last month, n/N (%) 12/548 (2.2%) 5/455 (1.1%) 2/506 (0.4%) 0.18 0.011 0.20
 Entered sex work in last month, n/N (%) 7/558 (1.3%) 7/456 (1.5%) 2/498 (0.4%) 0.70 0.13 0.07
 Full-time sex work, n/N (%) 431/570 (75.6%) 343/470 (73.0%) 323/505 (64.0%) 0.33 <0.001 0.02
Female sex work demand
Client number, median in last week (IQR) 12 (5-20) 11 (5-20) 13 (5-23) 0.50¥ 0.14¥ 0.04¥
Amount charged with last client, median US$ (IQR; range) 13 (7-24; 0-160) 13 (7-27; 1-458) 13 (8-27; 0-200) 0.20¥ 0.26¥ 0.88¥
Sexual risk behaviour
Unprotected sexual intercourse with last client, n/N (%) 29/582 (5.0%) 27/486 (5.6%) 40/524 (7.6%) 0.68 0.069 0.19
Drunk during sex with last client, n/N (%) 239/594 (40.2%) 211/483 (43.7%) 229/516 (44.4%) 0.25 0.16 0.83
  1. WC World Cup; IQR inter-quartile range; sd standard deviation; vs versus; # chi-square test; ¥ Mann–Whitney U test. Denominator below N in each period due to some incomplete questionnaires.