Chinese gay men who were offered a free screening for gonorrhea and chlamydia and then asked to donate to the testing of another man were 48 percent more likely to get tested than men who were offered the standard of care. Researchers at the University of North Carolina at Chapel Hill’s UNC Project-China site said their findings prove this pay-it-forward model could be used to expand other infectious diseases screening, like HIV testing, among gay men in China. Their results were published in The Lancet Infectious Diseases.
“We found that a pay-it-forward model substantially increased test uptake compared to the standard of care,” said Joseph Tucker, M.D., Ph.D., the study’s co-author and director of UNC Project-China. “The program reached many untested men and identified new positive cases.”
Gonorrhea and chlamydia are common sexually transmitted diseases (STDs), which spread rapidly and silently through communities of gay men. The prevalence of gonorrhea and chlamydia among Chinese gay men is as high as 10-20 percent. These two STDs are known to increase the risk of HIV acquisition and transmission, but are often asymptomatic. Previous studies suggest that less than half of gay men have ever received a gonorrhea or chlamydia test.
This study took place at two sites in Guangzhou, China. One was an STD clinic for gay men and the other was a local gay community-based organization. At both of the program sites, gay men who were waiting for HIV and syphilis testing were offered dual gonorrhea/chlamydia testing. In the pay-it-forward group, each man’s gonorrhea and chlamydia test fees were covered by a combination of the initial funding pool from the program organizers and the donations from previous participants. Each man was told donating for future men to be screened was optional and a donation of any amount was appreciated. In the standard of care group, men were offered gonorrhea and chlamydia testing at the standard patient price of $24USD.
In total, 408 men were screened for gonorrhea and chlamydia. This was the first gonorrhea or chlamydia test for 86 percent of the men. Of the 203 men in the pay-it-forward group, 54 percent opted to be tested. Eighty-nine percent of the men in the pay-it-forward group donated some amount to the testing of another man. Of the 205 men in the standard of care group, only 6 percent agreed to be screened.
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