Table 3

Effect sizes for UAI by offline comparison venue

 Full samples
 OR (95% CI)Weight (%)
UAI (internet partner ref. bathhouse, sauna, sex resort partner)
 Chiasson et al381.34 (0.94 to 1.90)4.9
 Grov et al141.60 (1.39 to 1.84)30.1
 NHBS II401.69 (1.53 to 1.86)65.0
Model summary1.64 (1.52 to 1.78)
I2<1%; Q2=1.8 (p=0.4)
UAI (internet partner ref. bar, dance club partner)
 Chiasson et al380.92 (0.66 to 1.29)11.8
 Grov et al141.40 (1.22 to 1.61)23.0
 NHBS I391.12 (0.80 to 1.56)11.9
 NHBS II400.99 (0.90 to 1.08)25.9
 SILAS IV1.22 (1.15 to 1.33)27.5
Model summary1.14 (0.98 to 1.33)
I2=84%; Q4=23.0 (p=0.0001)
  • NHBS, National HIV Behavioral Surveillance; UAI, unprotected anal intercourse.