Feasibility and acceptability based on venue and tester uptake in phases 1 and 2 of community syphilis screening
Phase 1 (4 weeks) | Phase 2 (3 weeks) | ||||||
---|---|---|---|---|---|---|---|
*p values for categorical variables from the χ2 test, p values for continuous variables from the Mann-Whitney test. | |||||||
Feasibility | |||||||
% of venues agreeing to participate | 77% (23/30) | 100% (16/16) | |||||
Number of venue sessions | 70 | 57 | |||||
Acceptability | |||||||
Total number of men testing | 588 | 502 | |||||
Overall % of venue populations who tested | 9.8% | 11.4% | |||||
% of non-public sex site bar/club populations testing | 9.0% | 9.3% | |||||
% of sauna populations testing | 23.1% | 34.8% | |||||
% of cruising ground populations testing | 11.7% | 11.4% | |||||
% of sex on premises club populations testing | 12.0% | 19.5% | |||||
Effectiveness in testing at-risk populations | |||||||
GUM non-attendance in last year | 65% (n = 380) | 58% (n = 292) | |||||
No of sexual contacts in past 90 days among all testers: | |||||||
0–1 | 31% (n = 181) | 29% (n = 144) | |||||
2–19 | 55% (n = 325) | 56% (n = 283) | |||||
20+ | 14% (n = 82) | 15% (n = 75) | |||||
No of sexual contacts in last 90 days among non-attendees: | |||||||
0–1 | 37% (n = 139) | 34% (n = 99) | |||||
2–19 | 53% (n = 202) | 53% (n = 154) | |||||
20+ | 10% (n = 39) | 13% (n = 39) | |||||
Difference between community testers and known syphilis cases: | Phase 1 testers (n = 588) | Known cases (n = 93) | p Value* | Phase 2 testers (n = 502) | Known cases (n = 156) | p Value* | |
Age (median) | 33 | 33 | 0.545 | 36 | 34 | 0.170 | |
Number of sexual contacts in last 90 days (median) | 4 | 3 | 0.733 | 3 | 3 | 0.675 | |
Effectiveness in identifying new index cases of syphilis | |||||||
No of EIA positive results | 29 | 43 | |||||
No of previously undiagnosed syphilis cases | 8 | 9 | |||||
No of previously undiagnosed syphilis cases that were early syphilis | 4 | 2 | |||||
Co-infection | 1×HIV+ (already diagnosed) | 1×HIV+ (already diagnosed) | |||||
1×rectal gonorrhoea (co-diagnosed) | 1×rectal gonorrhoea (co-diagnosed) | ||||||
1×chlamydia (co-diagnosed) |