Skip to main content
. 2015 Feb 14;15:147. doi: 10.1186/s12889-015-1439-5

Table 3.

Mean scores of HIV/STI, condom knowledge, self-efficacy, stigma among 556 FSWs a at baseline and 6 months after intervention, Shanghai, 2009-10

Intervention (n = 278) Control (n = 278) Intervention vs. Control Adjusted mean score (95%CI) at follow-up b
p-value
Baseline, mean score (n) Follow-up, mean score (n) p-value Baseline, mean score (n) Follow-up, mean score (n) p-value Baseline Follow-up Intervention Control p-value
HIV transmission (max = 10) 6.92 (277) 8.69 (278) <0.0001 7.44 (276) 8.23 (276) <0.0001 0.004 0.0035 8.83 (8.57-9.08) 8.22 (7.97-8.47) 0.0001
Other HIV knowledge (max = 6) 3.47 (277) 4.56 (278) <0.0001 3.22 (276) 3.80 (277) <0.0001 0.0514 <0.0001 4.44 (4.23-4.65) 3.85 (3.64-4.06) <0.0001
STI knowledge (max = 4) 3.05 (278) 3.59 (278) <0.0001 3.10 (276) 3.42 (277) <0.0001 0.4311 0.0396 3.57 (3.46-3.68) 3.41 (3.30-3.52) 0.0156
Condom use skill (max = 4) 2.45 (277) 3.00 (277) <0.0001 2.44 (276) 2.80 (278) <0.0001 0.9777 0.0532 2.86 (2.74-2.99) 2.71 (2.58-2.83) 0.0421
Other condom knowledge (max = 3) 2.25 (278) 2.61 (278) <0.0001 2.23 (275) 2.36 (278) 0.0086 0.6777 <0.0001 2.58 (2.49-2.68) 2.37 (2.28-2.46) 0.0002
Condom self-efficacy (max = 15) 11.8 (268) 13.2 (274) <0.0001 11.9 (267) 12.5 (278) 0.0004 0.0621 0.9977 13.4 (13.0-13.8) 12.8 (12.4-13.1) 0.0071
Stigma toward persons with AIDS (max = 7) 3.02 (278) 2.51 (278) <0.0001 3.35 (276) 3.03 (278) 0.0018 0.0302 0.0022 2.57 (2.36-2.78) 2.89 (2.69-3.10) 0.0119

aRandomly selected 57 participants who were lost to follow-up in the intervention arm were added to equalize the sample sizes in the two arms.

bMean score after adjusting for baseline measure of the outcome and venue type.